Recent Articles
-
November 19, 2023 Case ReportAbstract Background: To highlight the utility of B-scan ultrasound in the diagnosis of a CRAO. Case Presentation: A 64-year-old Caucasian male with a history of hypertension, presented to triage clinic for sudden vision loss in his right eye starting 36 hours.....
-
June 20, 2023 Review ArticleAbstract Abstract The aim of this work was to develop a software tool that assists in the testing of image quality in mammography, addressing the challenges associated with the subjectivity and time-consuming nature of manual measurements. The software aims t.....
-
April 19, 2023 Review ArticleAbstract While the author has engaged in nuclear medicine practices and research for over half a century, he has opportunities to serve to ICRP, UNSCEAR, IAEA and Radiation Council of Japan, through which he closely acquainted with radiation protection. He ex.....
-
February 21, 2023 Research ArticleAbstract RESRAD-OFFSITE model 4.0 was performed with ICRP 107 based radionuclide transformations transfer factors and ICRP 60 external, inhalation and ingestion dose conversion factors. The cancer morbidity risks modelled for NORM in both mines’ samples had.....
-
January 23, 2023 Review ArticleAbstract Staff organ doses were assessed and cancer risk were estimated for varying x-ray tube angulation in a cath-lab room at the emergency department of a hospital. Themoluminescence dosimeters (TLD) were used for the staff’s eye lens, thyroid, chest and.....
-
November 15, 2022 Review ArticleAbstract Agenesis or hypoplasia of the liver lobes are very uncommon developmental anomalies and can be recognized on CT examinations. These are usually asymptomatic and incidental finding, but they cause an altered topography and anatomical relationship of t.....
-
December 09, 2022 Research ArticleAbstract Background: To optimize the absorbed radiation dose during a CT examination, manufacturers of CT Scanners have equipped their units with built-in softwares called Automatic Exposure Control (AEC). Purpose: Evaluate the knowledge of radiology technic.....
-
December 06, 2022 Case ReportAbstract Pneumomediastinum (PNM) is a pathological condition characterized by the penetration of air into the mediastinal space. The most frequent cause of pneumomediastinum is trauma that can cause burst rupture of the esophagus, trachea or bronchi (closed t.....
-
October 17, 2022 Research ArticleAbstract Background: Ultrasound (US) is considered the preferred imaging tool to evaluate the surgical causes of acute abdominal pain. Methods: Our study aimed to reappraise the role of US in the evaluation of surgical causes of acute abdominal pain in pedia.....
-
October 31, 2022 Case ReportAbstract Chronic mesenteric ischemia (CMI) is an uncommon entity occurring in patients with severe stenosis of at least 2 of the 3 mesenteric vessels. It produces abdominal pain and nutritional status deterioration. Although open revascularization has been th.....
-
May 18, 2022 Research ArticleAbstract We are a rural hospital with access to care barriers historically linked to geography. We see a disproportionate percentage of late stages of breast cancer, with correspondingly worse mortality rates. A decade ago, screening mammogram rates were low .....
-
August 27, 2019 Research ArticleAbstract Purpose/Objectives: During radiation therapy (RT), patients often develop radiation-induced toxicities. EPR oximetry is an effective method for measuring oxygen levels. We present first-in-clinic data with sequential and repeated measurements of ox.....
-
October 15, 2017 Review ArticleAbstract Objective: Stereotactic radiosurgery (SRS) is an innovative approach for cancer therapy. It is thought to be generally a good choice even to radioresistent brain metastases (BM), taking also into consideration all of the prognostic factors and co-mo.....
-
October 31, 2020 Research ArticleAbstract Background: In this study, we aimed to comparison the results of Magnetic Resonance Imaging [MRI] and Computed Tomography [CT] scan in the diagnosis of Elastofibroma Dorsi (ED)with postoperative histopathology as the gold standard diagnostic tool. Cl.....
-
October 28, 2020 Research ArticleAbstract Background: The radiology report is a crucial tool to communicate the radiological examination findings to the referring clinicians. There is no universally agreed structure or style of radiological report, and each radiologist and the referring clin.....
-
September 21, 2020 Case ReportAbstract Purpose: X-ray CT plays a pivotal role in diagnostic imaging, radiotherapy, and its indispensable contribution to preclinical small animal imaging research. This study characterizes a distinctive energy spectrum of a novel 3-mercaptobenzoic-acid (3MB.....
-
September 17, 2020 Case ReportAbstract Peroxisome proliferator-activated receptor gamma (PPAR-?) is a ligand-activated nuclear receptor transcription factor that plays a vital role in lipid regulation, antitumor, and anti-inflammatory responses. PET imaging of PPAR-? could provide critica.....
-
March 16, 2020 Research ArticleAbstract The asymmetric CIA and CIB/CIB-2 model applicators containing the beta emitters 106Ru/106Rh are used in radiotherapy to treat ciliary body melanomas or melanomas close to the iris. A serious drawback in the use of these sources is the difficult deter.....
-
March 16, 2020 Research ArticleAbstract Objective: To determine the association of lumbar paraspinal muscle atrophy with lumbar disc herniation and spinal stenosis. Material and methods: Prospective study of 160 consecutive patients was done who presented with lower back pain and had di.....
-
February 11, 2020 Research ArticleAbstract Purpose: This retrospective series aims to report the Brazilian single institutional experience and predictive factors for outcomes in patients with early stage and medically inoperable NSCLC treated with SBRT. Materials/methods: Retrospective an.....
-
May 13, 2018 Case ReportAbstract While sarcoidosis is a disease process that classically affects the lung parenchyma, presentation of sarcoidosis can be extrapulmonary in up to 30% of the cases. Essentially any organ can be involved in sarcoidosis; however, specific patient populati.....
-
May 13, 2018 Case ReportAbstract Introduction: Congenital Midline Cervical Cleft (CMCC) is a rare congenital malformation characterized by a classic presentation. A typical case of CMCC s reported, reiterating the importance of imaging for an accurate diagnosis and adequate surgica.....
-
March 20, 2018 Research ArticleAbstract The position of radiation isocenter is an important part in quality assurance checks of a medical linear accelerator (Linac). All radiotherapy treatment planning’s and their delivery are done by taking radiation isocenter as a reference point. This.....
-
December 29, 2017 Research ArticleAbstract Aim: To assess the extent to which x-ray request forms referred to the x-ray unit of the Tamale Central Hospital are filled by referring practitioners. Methods: 189 x-ray request forms were audited. The research was conducted between October 201.....
-
December 19, 2017 Review ArticleAbstract Grade 3 gliomas include 6–10 % of all newly diagnoses of primary brain tumors and comprise 6–15% of all primary brain tumors. Three histological subtypes are characterized: anaplastic astrocytoma (AA), anaplastic oligodendroglioma (AO) and anapl.....
-
October 04, 2017 Research ArticleAbstract Aim: To investigate final year undergraduate radiography students’ perceptions of clinical placements, in relation to the clinical learning environment (CLE) and their learning achievements. Methods: A 19-item pre-coded questionnaire with five .....
-
September 26, 2017 Case ReportAbstract Amiodarone is a class III antiarrhythmic agent and has the broadest spectrum for use of treatment and prevention of ventricular tachycardia, Wolf-Parkinson-White syndrome, atrial fibrillation and cardiac arrest. It blocks potassium, sodium, calcium .....
-
September 09, 2017 Review ArticleAbstract Pulmonary hypertension may be related to many pathologic conditions. Therefore, a multidisciplinary approach is required to perform the correct diagnosis, with particular reliance on imaging techniques. Echocardiography is the most commonly used and .....
-
September 17, 2016 Review ArticleAbstract Multiple myeloma is a hematologic malignancy in which the bones are usually affected. The aim of this study is to describe the imaging of jaw bone lesions of patients with multiple myeloma, as reported in the literature. Nearly one third of the patie.....
-
June 23, 2017 Review ArticleAbstract High grade gliomas (HGG) account for the majority of primary central nervous system tumors and are infiltrative tumors with microscopic disease extending into the adjacent brain paranchyma, characterized by aggressive growth and poor prognosis. Patie.....
-
March 28, 2017 Research ArticleAbstract Diagnostic imaging procedure using ionizing radiation has been growing due to its enormous benefits. However, using ionizing radiation is also associated with harmful biological effects. Therefore it is important to take consideration on harmful effe.....
-
June 13, 2017 Case ReportAbstract Intracardiac stent migration is a rare but potentially fatal complication of endovascular stenting. A patient was referred for right brachiocephalic vein stenting for dialysis access venous stenosis. The stent migrated to right atrium upon deployment.....
-
March 13, 2017 Research ArticleAbstract Introduction: To compare double arc (DA), Sliding window (SW) & Step and shoot (SS) IMRT in Head & neck cancer (HNC) by different dosimetric parameters. Materials and methods: 25 cases of HNC were planned for DA, SW & SS IMRT by Treatment Planning.....
-
December 08, 2017 Short CommunicationAbstract Purpose: To disclose effectiveness of substitution of conformal radiotherapy (CRT) with intensity-modulated radiotherapy (IMRT) in combined with 125I permanent seed brachytherapy(BT) in reducing a rectal dose-volume parameter recently proven to be co.....
-
October 06, 2014 Research ArticleAbstract Introduction: Field-In-Field (FIF) is a manually based forward Intensity-Modulated Radiation Therapy (IMRT) plan for which the calculated dose is modified in certain dose distribution areas by creating multiple lower-weighted reduction fields based .....
-
November 14, 2014 Research ArticleAbstract Aim: This study described the benefits of CT-MRI fusion to consolidate the accuracy of conformal radiation therapy for Egyptian astrocytoma patients. Materials and methods: Thirty four patients with astrocytoma tumor who underwent 3D conformal ra.....
-
April 09, 2014 Review ArticleAbstract Carbon ion beams offer improved dose distribution, resulting in the concentration of a sufficient dose within a target volume while minimizing the dose in surrounding normal tissues. Moreover, carbon ions possess a biological advantage due to their h.....
-
August 22, 2014 Case ReportAbstract Amyloidosis is a disease caused by improper three-dimensional folding of precursor proteins, which results in formation of protein aggregates, amyloid fibrils, that cause cell and organ damage. Amyloidosis localized to the respiratory tract is consid.....
-
January 27, 2014 Review ArticleAbstract Recently three newer oral anticoagulants (rivaroxaban, apixaban, and dabigatran) have been introduced into clinical practice; while they are becoming more commonly seen in the primary care setting; they remain a gray area in the interventional commun.....
-
January 27, 2014 Research ArticleAbstract Objective: Basal Indentation (BI) on CT air-contrast enema (CT enema) for colorectal cancer consists essentially of the both factors of a function of geometry and a tumor invasion. This study was conducted to investigate the feasibility of quantitati.....
-
January 31, 2014 Review ArticleAbstract Sonographic elastography is a new technique for measurement of the tissue stiffness, and is currently under investigation for tissue characterization in several anatomic sites. This article introduces methodologies of sonographic elastography, and me.....
-
January 26, 2014 Review ArticleAbstract Dual Energy or dual source Computed Tomography (DECT) is advantageous for clinical CT interpretation. Compared to conventional imaging, this technique enables tissue differentiation of tissues, such as kidney stones, with higher precision and has add.....
-
January 22, 2014 Review ArticleAbstract Diffusion Weighted Image (DWI) has various roles such as tissue characterization, the prediction and monitoring of the response to treatment and differentiation of recurrent tumors from post-therapeutic changes. The malignant tumors have a lower ADC .....
-
February 02, 2014 Mini ReviewAbstract Radiotherapy (RT) is a definitive treatment option for cancers of the head and neck. Indeed, the most common pathology of head and neck lesions, Squamous Cell Carcinoma (SCC), is radiosensitive. Recently, RT with chemotherapy has been shown to improv.....
-
January 31, 2014 Review ArticleAbstract Recent technological developments in External Body Radiation Therapy (EBRT), such as intensity-modulated radiation therapy and Image-Guided Radiation Therapy (IGRT), have confirmed the advantages of delivering high doses to achieve optimal tumor-cont.....
-
January 22, 2014 Review ArticleAbstract Deformable Image Registration (DIR) has become commercially available in the field of radiotherapy. DIR is an exciting and interesting technology for multi-modality image fusion, anatomic image segmentation, Four-dimensional (4D) dose accumulation an.....
-
January 16, 2014 Review ArticleAbstract Stereotactic Ablative Radiotherapy (SABR) is developing and becoming one of the few curative treatment methods alternative to resection for early-stage lung cancer in inoperable patients. FDG-PET now has many approved indications and is included in g.....
-
April 25, 2014 Review ArticleAbstract Lung nodule volumetry with computed tomography has the potential for more reliable measurements of tumor size and therefore determination of temporal changes in a shorter interval of time. In a 2009 review, Gavrielides et al summarized the findings o.....
-
February 28, 2014 Review ArticleAbstract Worldwide, lung cancer is the leading cause of mortality due to malignancy. The vast majority of cases of lung cancer are smoking related and the most effective way of reducing lung cancer incidence and mortality is by smoking cessation. In the weste.....
-
February 03, 2014 Editorial
-
January 31, 2014 Short CommunicationAbstract It has been estimated that every year in Europe and in the USA about 26,000 and 13,000 people die of renal cell carcinoma, respectively. For localized disease 5-year relative survival rate is 92.8% whereas for regional and metastatic disease is 64, 2.....
-
January 17, 2014 Short CommunicationAbstract Objective: To visualize the vascularity of orthotopically implanted pulmonary tumor in a clinically relevant murine model of human Non-Small Cell Lung Cancer (NSCLC). Method: Orthotopic pulmonary tumors in mice were established by intrapulmonary i.....
-
August 19, 2013 Review ArticleAbstract Nepal is a poor country with low expenditure on health care and limited resources in Radiology field. However, radiology service is improving with several up-to-date diagnostic and radiotherapy facilities, the quality assurance and radiation safety a.....
-
July 31, 2014 Research ArticleAbstract Purpose: To clarify the dose–volume relationship with late rectal toxicity (LRT) in prostate cancer patients after 74-Gy 3-dimensional conformal radiotherapy (3DCRT) using the 7-fields technique. Materials and Methods: Between June 2004 and Dece.....
-
January 27, 2014 Editorial
-
January 15, 2014 Short CommunicationAbstract Objective: Our main aim is to present an index case of an 11-year-old female with NF 2 who has intra cranial bilateral vestibular schwannomas, bilateral trigeminal schwannomas, bilateral facial schwannoma, and intra ventricular meningioma and to demo.....
-
January 07, 2014 Case ReportAbstract Inguinal hernia is a common pathology that is seen higher incidence in general population. But the presence of bladder diverticulum in an inguinal hernia sac is a rare condition. In this case report, the findings of a patient with bladder diverticulu.....
-
January 05, 2014 Review ArticleAbstract PET has been widely adopted and remains the most cost-effective investigation in clinical staging of non-small cell lung cancer. Minimal access thoracic surgeons pinned their hopes on this new non-invasive technique to stage the mediastinum. PET can .....
-
November 11, 2013 Short CommunicationAbstract Advancement in treatment delivery techniques in external beam radiation therapy has significantly improved the conformal radiation dose distributions to the tumor while reducing dose to the critical structures. Modern treatment techniques combined wi.....
-
October 23, 2013 Case ReportAbstract McKusick-Kaufman syndrome is a rare syndrome inherited in an autosomal recessive pattern with a phenotypic triad comprising hydrometrocolpos, postaxial polydactyly and congenital cardiac disease. The syndrome is caused by mutations in the MKKS gene m.....
-
October 15, 2013 Case ReportAbstract Thyroid stimulating hormone (TSH) suppression therapy with excessive administration of thyroxine (levothyroxine sodium; T4) is commonly initiated after surgical removal of differentiated thyroid carcinoma (DTC) to delay metastasis progression. In the.....
-
October 25, 2013 Research ArticleAbstract Introduction: Aortic calcification seen on lateral radiographs might be an independent predictor of osteoporosis in the elderly. It is not clear whether the presence of carotid artery calcification (CAC) on dental panoramic radiographs (DPRs) is asso.....
-
September 26, 2013 Clinical Image
-
September 09, 2013 Mini ReviewAbstract Tumor hypoxia (pO2; partial pressure of oxygen < 10 – 15 mmHg) plays a critical role in radio-resistance and promotes the development of aggressive tumor phenotypes. Furthermore, tumor hypoxia is dynamic and varies with tumor type, stage and as a c.....
-
October 21, 2013 Research ArticleAbstract Purpose: For quantitation of myocardial blood flow (MBF), 2-dimensional (2D) 13N-ammonia PET has been utilized. However, most of recent PET systems operate only 3-dimensional (3D) mode, and there are no reports about normal value of MBF measured by 3.....
-
September 01, 2013 Research ArticleAbstract Purpose: Improving reporting practices in the emergency department (ED) is important for optimized patient care. However, the preferences and opinions of ED physicians regarding many reporting practices are not well-known. Thus, we surveyed ED physic.....
-
September 03, 2013 Short CommunicationAbstract Quantitative network analysis of brain networks has been an important tool for characterizing brain function. Cognitive abilities emerge from coordinated activity of distributed brain regions that may participate in multiple networks at different tim.....
-
August 10, 2013 Short CommunicationAbstract Cardiac imaging with 123I-metaiodobenzylguanidine allows assessing cardiac sympathetic nerve function and aids the prediction of prognosis in heart failure and the differential diagnosis of neurodegenerative diseases. The heart-to-mediastinum (H/M) r.....
-
September 06, 2013 Short CommunicationAbstract Personalized tumor growth model is valuable in tumor staging and therapy planning. In this paper, we present a patient specific tumor growth model based on longitudinal multimodal imaging data including dual-phase CT and FDG-PET. The model was evalua.....
-
August 10, 2013 Case ReportAbstract Obscure gastrointestinal bleeding is often a diagnostic challenge for the primary care physician, but with improvements in diagnostic testing the cause of such blood loss is determined in most patients. However, in approximately 5% of the cases, the .....
-
August 15, 2013 Case ReportAbstract The occurrence of a hepatic artery aneurysm (HAA) is rare, accounting for approximately 20% of splanchnic aneurysms. Further, HAA rupture can become a life-threatening situation. We describe the case of a 65-year-old woman with a proper hepatic arter.....
-
August 19, 2013 EditorialAbstract Ferumoxytol (Feraheme ®) is an iron oxide nanoparticle approved by the Food and Drug Administration (FDA) in 2009 for treating anemia, but has found excellent off-label uses as contrast agent in the magnetic resonance imaging (MRI) of many n.....
-
August 18, 2013 Short Communication
-
August 13, 2013 Editorial
-
July 20, 2013 Case ReportAbstract Introduction: Semicircular canal dehiscence (SCD) syndrome has been defined as a bone defect in the roof of the superior, posterior and lateral semicircular canals. We reported that three-dimension CT and MR imaging of superior SCD is rare in english.....
-
March 04, 2021 Short CommunicationAbstract The thyroid nodule is a common pathology; thyroid cancer is rare [1]. The difficulty in managing this pathology is linked to the risk of missing out the progressive cancer in the event of surgical abstention or, on the contrary, operating in excess o.....
-
October 31, 2020 Research ArticleAbstract Background: In this study, we aimed to comparison the results of Magnetic Resonance Imaging [MRI] and Computed Tomography [CT] scan in the diagnosis of Elastofibroma Dorsi (ED)with postoperative histopathology as the gold standard diagnostic tool. Cl.....
-
October 28, 2020 Research ArticleAbstract Background: The radiology report is a crucial tool to communicate the radiological examination findings to the referring clinicians. There is no universally agreed structure or style of radiological report, and each radiologist and the referring clin.....
-
September 21, 2020 Case ReportAbstract Purpose: X-ray CT plays a pivotal role in diagnostic imaging, radiotherapy, and its indispensable contribution to preclinical small animal imaging research. This study characterizes a distinctive energy spectrum of a novel 3-mercaptobenzoic-acid (3MB.....
-
September 17, 2020 Case ReportAbstract Peroxisome proliferator-activated receptor gamma (PPAR-?) is a ligand-activated nuclear receptor transcription factor that plays a vital role in lipid regulation, antitumor, and anti-inflammatory responses. PET imaging of PPAR-? could provide critica.....
-
March 16, 2020 Research ArticleAbstract The asymmetric CIA and CIB/CIB-2 model applicators containing the beta emitters 106Ru/106Rh are used in radiotherapy to treat ciliary body melanomas or melanomas close to the iris. A serious drawback in the use of these sources is the difficult deter.....
-
March 16, 2020 Research ArticleAbstract Objective: To determine the association of lumbar paraspinal muscle atrophy with lumbar disc herniation and spinal stenosis. Material and methods: Prospective study of 160 consecutive patients was done who presented with lower back pain and had disc.....
-
February 11, 2020 Research ArticleAbstract Purpose: This retrospective series aims to report the Brazilian single institutional experience and predictive factors for outcomes in patients with early stage and medically inoperable NSCLC treated with SBRT. Materials/methods: Retrospective anal.....
-
August 27, 2019 Research ArticleAbstract Purpose/Objectives: During radiation therapy (RT), patients often develop radiation-induced toxicities. EPR oximetry is an effective method for measuring oxygen levels. We present first-in-clinic data with sequential and repeated measurements of oxyg.....
-
May 13, 2018 Case ReportAbstract While sarcoidosis is a disease process that classically affects the lung parenchyma, presentation of sarcoidosis can be extrapulmonary in up to 30% of the cases. Essentially any organ can be involved in sarcoidosis; however, specific patient populati.....
-
May 13, 2018 Case ReportAbstract Introduction: Congenital Midline Cervical Cleft (CMCC) is a rare congenital malformation characterized by a classic presentation. A typical case of CMCC is reported, reiterating the importance of imaging for an accurate diagnosis and adequate surgica.....
-
March 20, 2018 Research ArticleAbstract The position of radiation isocenter is an important part in quality assurance checks of a medical linear accelerator (Linac). All radiotherapy treatment planning’s and their delivery are done by taking radiation isocenter as a reference point. This.....
-
December 29, 2017 Research ArticleAbstract Aim: To assess the extent to which x-ray request forms referred to the x-ray unit of the Tamale Central Hospital are filled by referring practitioners. Methods: 189 x-ray request forms were audited. The research was conducted between October 2017 a.....
-
December 19, 2017 Review ArticleAbstract Grade 3 gliomas include 6–10 % of all newly diagnoses of primary brain tumors and comprise 6–15% of all primary brain tumors. Three histological subtypes are characterized: anaplastic astrocytoma (AA), anaplastic oligodendroglioma (AO) and anapla.....
-
October 15, 2017 Review ArticleAbstract Objective: Stereotactic radiosurgery (SRS) is an innovative approach for cancer therapy. It is thought to be generally a good choice even to radioresistent brain metastases (BM), taking also into consideration all of the prognostic factors and co-mor.....
-
October 04, 2017 Research ArticleAbstract Aim: To investigate final year undergraduate radiography students’ perceptions of clinical placements, in relation to the clinical learning environment (CLE) and their learning achievements. Methods: A 19-item pre-coded questionnaire with five po.....
-
September 26, 2017 Case ReportAbstract Amiodarone is a class III antiarrhythmic agent and has the broadest spectrum for use of treatment and prevention of ventricular tachycardia, Wolf-Parkinson-White syndrome, atrial fibrillation and cardiac arrest. It blocks potassium, sodium, calcium c.....
-
September 09, 2017 Review ArticleAbstract Pulmonary hypertension may be related to many pathologic conditions. Therefore, a multidisciplinary approach is required to perform the correct diagnosis, with particular reliance on imaging techniques. Echocardiography is the most commonly used and .....
-
November 16, 2016 Case ReportAbstract We present a unique imaging presentation of Headache and Neurological Deficits with Lymphocytic pleocytosis (HaNDL) Syndrome.
-
September 17, 2016 Review ArticleAbstract Multiple myeloma is a hematologic malignancy in which the bones are usually affected. The aim of this study is to describe the imaging of jaw bone lesions of patients with multiple myeloma, as reported in the literature. Nearly one third of the patie.....
-
June 23, 2017 Review ArticleAbstract High grade gliomas (HGG) account for the majority of primary central nervous system tumors and are infiltrative tumors with microscopic disease extending into the adjacent brain paranchyma, characterized by aggressive growth and poor prognosis. Patie.....
-
March 28, 2017 Research ArticleAbstract Diagnostic imaging procedure using ionizing radiation has been growing due to its enormous benefits. However, using ionizing radiation is also associated with harmful biological effects. Therefore it is important to take consideration on harmful effe.....
-
June 13, 2017 Case ReportAbstract Intracardiac stent migration is a rare but potentially fatal complication of endovascular stenting. A patient was referred for right brachiocephalic vein stenting for dialysis access venous stenosis. The stent migrated to right atrium upon deployment.....
-
March 13, 2017 Research ArticleAbstract Introduction: To compare double arc (DA), Sliding window (SW) & Step and shoot (SS) IMRT in Head & neck cancer (HNC) by different dosimetric parameters. Materials and methods: 25 cases of HNC were planned for DA, SW & SS IMRT by Treatment Planning S.....
-
December 08, 2016 Short CommunicationAbstract Purpose: To disclose effectiveness of substitution of conformal radiotherapy (CRT) with intensity-modulated radiotherapy (IMRT) in combined with 125I permanent seed brachytherapy(BT) in reducing a rectal dose-volume parameter recently proven to be co.....
-
February 20, 2017 Research ArticleAbstract To characterize the radiation dose distribution in the target volume, various dosimetric indices are required which assist in making a choice of an optimum treatment plan. This study is primarily aimed at the analysis of various radiation dose indice.....
-
September 30, 2016 Case ReportAbstract We report a very rare case of pulmonary artery intimal sarcoma presenting as a lung tumor. A 30s-year-old female was referred to our hospital with continuous cough. Chest X-P and contrast-enhanced CT showed a large oval mass in right lung, and FDG-PE.....
-
September 30, 2016 Review ArticleAbstract Pancreatic cancer is a highly aggressive cancer, currently treated with limited success and dismal outcomes. It is the fourth leading cause of cancer related deaths in the U.S.A major cause for the high mortality rate is the difficulty in diagnosing .....
-
September 20, 2016 Research ArticleAbstract Assessment of Dose to the Glandular tissue of patients undergoing digital mammography examination from two Computed Radiology systems has been undertaken. A total of 81 patient data was used for the study. Basic Quality Control tests were first perfo.....
-
September 06, 2016 Short CommunicationAbstract Breast density has been proven as an independent risk factor of breast cancer. Due to the limitation of two dimensional mammographic density, various alternative imaging modalities have been investigated to provide more quantitative measurement of br.....
-
July 06, 2016 Research ArticleAbstract Radiation therapy is effective for pain and local control. However, it has some associated problems such as increased bone metastasis after irradiation and side effects to the surrounding normal bone. Over expression of periostin has been observed in.....
-
May 15, 2016 Review ArticleAbstract 131I-Meta-iodobenzylguanidine (131I-mIBG) is a radiopharmaceutical used in the diagnostic and therapeutic application for neuroendocrine tumors. The similarity of mIBG structure to guanethidine and the neurotransmitter norepinephrine provides a means.....
-
January 19, 2016 Letter to the EditorAbstract Radiography of the pelvis is one of the most common and more frequent radiographic examinations ordered, especially in children [1]. It is estimated that annually a million pelvic radiographs were documented in the UK [2] with frequency of 39 .....
-
December 11, 2015 Case ReportAbstract The incidence of both cardiac disease and cancer is on the rise. With available effective treatment, the life expectancy can be improved in both of these conditions. A significant number of patients are undergoing cardiac defibrillator and pacemaker .....
-
November 05, 2014 Review ArticleAbstract Longer wave length, lower frequency waves (heat and radio) has less energy than shorter wave length, higher frequency waves (X and gamma rays). Not all electromagnetic (EM) radiation is ionizing. Only the high frequency portion of the electromagnetic.....
-
October 06, 2014 Research ArticleAbstract Introduction: Field-In-Field (FIF) is a manually based forward Intensity-Modulated Radiation Therapy (IMRT) plan for which the calculated dose is modified in certain dose distribution areas by creating multiple lower-weighted reduction fields based o.....
-
November 14, 2014 Review ArticleAbstract Aim: This study described the benefits of CT-MRI fusion to consolidate the accuracy of conformal radiation therapy for Egyptian astrocytoma patients. Materials and methods: Thirty four patients with astrocytoma tumor who underwent 3D conformal radi.....
-
April 09, 2014 Review ArticleAbstract Carbon ion beams offer improved dose distribution, resulting in the concentration of a sufficient dose within a target volume while minimizing the dose in surrounding normal tissues. Moreover, carbon ions possess a biological advantage due to their h.....
-
August 22, 2014 Case ReportAbstract Amyloidosis is a disease caused by improper three-dimensional folding of precursor proteins, which results in formation of protein aggregates, amyloid fibrils, that cause cell and organ damage. Amyloidosis localized to the respiratory tract is consid.....
-
January 27, 2014 Review ArticleAbstract Recently three newer oral anticoagulants (rivaroxaban, apixaban, and dabigatran) have been introduced into clinical practice; while they are becoming more commonly seen in the primary care setting; they remain a gray area in the interventional commun.....
-
January 27, 2014 Research ArticleAbstract Objective: Basal Indentation (BI) on CT air-contrast enema (CT enema) for colorectal cancer consists essentially of the both factors of a function of geometry and a tumor invasion. This study was conducted to investigate the feasibility of quantitati.....
-
January 31, 2014 Review ArticleAbstract Sonographic elastography is a new technique for measurement of the tissue stiffness, and is currently under investigation for tissue characterization in several anatomic sites. This article introduces methodologies of sonographic elastography, and me.....
-
January 26, 2014 Review ArticleAbstract Dual Energy or dual source Computed Tomography (DECT) is advantageous for clinical CT interpretation. Compared to conventional imaging, this technique enables tissue differentiation of tissues, such as kidney stones, with higher precision and has add.....
-
January 22, 2014 Review ArticleAbstract Diffusion Weighted Image (DWI) has various roles such as tissue characterization, the prediction and monitoring of the response to treatment and differentiation of recurrent tumors from post-therapeutic changes. The malignant tumors have a lower ADC .....
-
January 31, 2014 Review ArticleAbstract Recent technological developments in External Body Radiation Therapy (EBRT), such as intensity-modulated radiation therapy and Image-Guided Radiation Therapy (IGRT), have confirmed the advantages of delivering high doses to achieve optimal tumor-cont.....
-
January 22, 2014 Review ArticleAbstract Deformable Image Registration (DIR) has become commercially available in the field of radiotherapy. DIR is an exciting and interesting technology for multi-modality image fusion, anatomic image segmentation, Four-dimensional (4D) dose accumulation an.....
-
February 02, 2014 Mini ReviewAbstract Radiotherapy (RT) is a definitive treatment option for cancers of the head and neck. Indeed, the most common pathology of head and neck lesions, Squamous Cell Carcinoma (SCC), is radiosensitive. Recently, RT with chemotherapy has been shown to improv.....
-
April 25, 2014 Review ArticleAbstract Lung nodule volumetry with computed tomography has the potential for more reliable measurements of tumor size and therefore determination of temporal changes in a shorter interval of time. In a 2009 review, Gavrielides et al summarized the findings o.....
-
February 28, 2014 Review ArticleAbstract Worldwide, lung cancer is the leading cause of mortality due to malignancy. The vast majority of cases of lung cancer are smoking related and the most effective way of reducing lung cancer incidence and mortality is by smoking cessation. In the weste.....
-
February 03, 2014 Editorial
-
January 31, 2014 Short CommunicationAbstract It has been estimated that every year in Europe and in the USA about 26,000 and 13,000 people die of renal cell carcinoma, respectively. For localized disease 5-year relative survival rate is 92.8% whereas for regional and metastatic disease is 64, 2.....
-
January 17, 2014 Short CommunicationAbstract Objective: To visualize the vascularity of orthotopically implanted pulmonary tumor in a clinically relevant murine model of human Non-Small Cell Lung Cancer (NSCLC). Method: Orthotopic pulmonary tumors in mice were established by intrapulmonary inj.....
-
January 31, 2014 Research ArticleAbstract Purpose: To clarify the dose–volume relationship with late rectal toxicity (LRT) in prostate cancer patients after 74-Gy 3-dimensional conformal radiotherapy (3DCRT) using the 7-fields technique. Materials and Methods: Between June 2004 and Decemb.....
-
January 31, 2014 EditorialAbstract Researchers have explored the feasibility of studying pancreatic juice movement to aid in pathological evaluations of pancreatico-biliary diseases. However, assessment of pancreatic juice movement is difficult. The early measurement approach of.....
-
January 31, 2014 EditorialAbstract Nowadays, the diffusion imaging sequences have become the major component of magnetic resonance imaging armamentarium. Sensitivity of these sequences to motion of water molecules in and around the cells and noninvasiveness are thought to allo.....
-
January 27, 2014 EditorialAbstract The clinical use of [18F] Fluoro-Deoxy-Glucose Positron Emission Tomography (FDG-PET) has emerged as a non-invasive diagnostic tool for malignant tumors and become widespread [1]. Although the most frequently used index is the maximum standar.....
-
January 27, 2014 EditorialAbstract Many kinds of lesions occur in the oral and maxillomandibular area. Some kinds of lesions, such as tumors or fractures, are similar to those that occur in other parts of the body. There are, however, some kinds of lesions that occur only in the.....
-
January 15, 2014 Short CommunicationAbstract Objective: Our main aim is to present an index case of an 11-year-old female with NF 2 who has intra cranial bilateral vestibular schwannomas, bilateral trigeminal schwannomas, bilateral facial schwannoma, and intra ventricular meningioma and to demo.....
-
January 07, 2014 Case ReportAbstract Inguinal hernia is a common pathology that is seen higher incidence in general population. But the presence of bladder diverticulum in an inguinal hernia sac is a rare condition. In this case report, the findings of a patient with bladder diverticulu.....
-
January 05, 2014 Review ArticleAbstract PET has been widely adopted and remains the most cost-effective investigation in clinical staging of non-small cell lung cancer. Minimal access thoracic surgeons pinned their hopes on this new non-invasive technique to stage the mediastinum. PET can .....
-
October 11, 2013 Short CommunicationAbstract Advancement in treatment delivery techniques in external beam radiation therapy has significantly improved the conformal radiation dose distributions to the tumor while reducing dose to the critical structures. Modern treatment techniques combined wi.....
-
October 23, 2013 Case ReportAbstract McKusick-Kaufman syndrome is a rare syndrome inherited in an autosomal recessive pattern with a phenotypic triad comprising hydrometrocolpos, postaxial polydactyly and congenital cardiac disease. The syndrome is caused by mutations in the MKKS gene m.....
-
October 15, 2013 Case ReportAbstract Thyroid stimulating hormone (TSH) suppression therapy with excessive administration of thyroxine (levothyroxine sodium; T4) is commonly initiated after surgical removal of differentiated thyroid carcinoma (DTC) to delay metastasis progression. In the.....
-
October 25, 2013 Research ArticleAbstract Introduction: Aortic calcification seen on lateral radiographs might be an independent predictor of osteoporosis in the elderly. It is not clear whether the presence of carotid artery calcification (CAC) on dental panoramic radiographs (DPRs) is asso.....
-
September 20, 2013 Research ArticleAbstract Purpose: This study compares cancerogenesis risks (CRs) between 64 and 320 row detector CT (RDCT) using coronary CTA (CCTA) decennial screening guidelines for patients between the age of 50 and 70. Material and Methods: CCTA absorbed radiation dose .....
-
September 26, 2013 Clinical ImageAbstract A 78-year-old woman complaining of chest pain and a sudden increase in breathlessness was admitted to the emergency department. She showed symptoms of tachycardia and dyspnea with reduced oxygen saturation (75%). Because of increasing respira.....
-
September 08, 2013 Mini ReviewAbstract Tumor hypoxia (pO2; partial pressure of oxygen < 10 – 15 mmHg) plays a critical role in radio-resistance and promotes the development of aggressive tumor phenotypes. Furthermore, tumor hypoxia is dynamic and varies with tumor type, stage and as a c.....
-
October 21, 2013 Research ArticleAbstract Purpose: For quantitation of myocardial blood flow (MBF), 2-dimensional (2D) 13N-ammonia PET has been utilized. However, most of recent PET systems operate only 3-dimensional (3D) mode, and there are no reports about normal value of MBF measured by 3.....
-
August 24, 2013 EditorialAbstract Malignant transformation of prostate epithelial cells is associated with metabolic changes, including alteration of copper metabolism. Preclinical studies demonstrated that human prostate cancer xenografts with increased 64Cu radioactivity co.....
-
August 30, 2013 Clinical ImageAbstract A 56 year old woman with stage IV follicular lymphoma presenting with bilateral axillary and inguinal lymphadenopathy seven years back was treated by chemotherapy at an outside institution and had been in remission since past five years. She .....
-
September 01, 2013 Research ArticleAbstract Purpose: Improving reporting practices in the emergency department (ED) is important for optimized patient care. However, the preferences and opinions of ED physicians regarding many reporting practices are not well-known. Thus, we surveyed ED physic.....
-
October 03, 2013 Short CommunicationAbstract Quantitative network analysis of brain networks has been an important tool for characterizing brain function. Cognitive abilities emerge from coordinated activity of distributed brain regions that may participate in multiple networks at different tim.....
-
July 30, 2013 Clinical ImageAbstract This reconstructed CT Image showing the appendix as it arises from the cecum and courses through the abdominal wall musculature, with most of it lying in the subcutaneous soft tissues of the right lower quadrant. There are many cases of herniat.....
-
August 10, 2013 Short CommunicationAbstract Cardiac imaging with 123I-metaiodobenzylguanidine allows assessing cardiac sympathetic nerve function and aids the prediction of prognosis in heart failure and the differential diagnosis of neurodegenerative diseases. The heart-to-mediastinum (H/M) r.....
-
September 06, 2013 Short CommunicationAbstract Personalized tumor growth model is valuable in tumor staging and therapy planning. In this paper, we present a patient specific tumor growth model based on longitudinal multimodal imaging data including dual-phase CT and FDG-PET. The model was evalua.....
-
August 10, 2013 Case ReportAbstract Obscure gastrointestinal bleeding is often a diagnostic challenge for the primary care physician, but with improvements in diagnostic testing the cause of such blood loss is determined in most patients. However, in approximately 5% of the cases, the .....
-
August 15, 2013 Case ReportAbstract The occurrence of a hepatic artery aneurysm (HAA) is rare, accounting for approximately 20% of splanchnic aneurysms. Further, HAA rupture can become a lifethreatening situation. We describe the case of a 65-year-old woman with a proper hepatic arter.....
-
August 19, 2013 Review ArticleAbstract Nepal is a poor country with low expenditure on health care and limited resources in Radiology field. However, radiology service is improving with several up-to-date diagnostic and radiotherapy facilities, the quality assurance and radiation safety a.....
-
August 19, 2013 Editorial
-
August 18, 2013 Short CommunicationAbstract Patients with cancer require effective treatment, including surgical resection, radiotherapy, and chemotherapy, but only a few options are available for the treatment of advanced cancer. Intensive drug exposure is fundamental to the eradication.....
-
August 18, 2013 Letter to the EditorAbstract A real sense of urgency is felt in all radiology departments throughout the nation after the Centers for Medicare and Medicaid Services (CMS) proposed their multiple procedure payment reduction (MPPR) plan which has financially hit the professi.....
-
August 13, 2013 EditorialAbstract Near-infrared spectroscopy is a novel and promising technology for cost effective and noninvasive brain imaging in research and clinical practice. Utilizing the fact that near-infrared light is mostly absorbed by tissue hemoglobin, one can meas.....
-
July 20, 2013 Case ReportAbstract Introduction: Semicircular canal dehiscence (SCD) syndrome has been defined as a bone defect in the roof of the superior, posterior and lateral semicircular canals. We reported that three-dimension CT and MR imaging of superior SCD is rare in english.....