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Radiology, CT, MRI

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https://www.readbyqxmd.com/read/27920848/a-systematic-investigation-of-sclerosing-mesenteritis-through-ct-and-mri
#1
Sotirios Apostolakis, Argyrios Ioannidis, Garyfalia Tsioga, Konstantina Papageorgiou, Georgios Velimezis
Sclerosing mesenteritis is primarily diagnosed through histologic and radiologic evaluation; however, only a few works provide a systematic description using MRI. This work presents the case of a 68-year-old male, who was admitted for a routine cholecystectomy. Intraoperativly, a large mass was identified dislocating the abdominal viscera. The microscopic examination revealed vascular congestion of the omentum. The contrast-enhanced CT and MRI scans revealed the presence of a heterogenous, lipomatous mass with lesions visible only in T2W and contrast-enhanced T1W MRI...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27904223/talocalcaneal-coalition-a-focus-on-radiographic-findings-and-sites-of-bridging
#2
Soon Hyuck Lee, Hyung Jun Park, Eui Dong Yeo, Young Koo Lee
BACKGROUND: Verifying the exact location of talocalcaneal (TC) coalition is important for surgery, but the complicated anatomy of the subtalar joint makes it difficult to visualize on radiographs. No study has used computed tomography (CT) or magnetic resonance imaging (MRI) to verify the radiological characteristics of TC coalition or those of different facet coalitions. Therefore, this study verified the radiological findings used to identify TC coalitions and those of different facet coalitions using CT and MRI...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27900253/the-clinico-radiological-spectrum-of-masseteric-venous-malformation-case-report
#3
Kavita Agarwal, Hemant R Umarji, Sonali Kadam, Neeraj Agrawal
Due to its location, intra-masseteric venous malformation often mistaken for a parotid swelling and clinical examination alone frequently underestimates the deep extension of the lesion and rarely gives accurate pre-operative diagnosis. But once it is diagnosed, the feasibility of the treatment and the plan of approach depend on accurate delineation of the extent, size and location of the lesion. Therefore, complimentary radiographic studies are essential for its management. In this case report, typical features of venous malformation within the masseter muscle, including clinical findings (turkey wattle sign) and imaging are presented...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27900202/radiological-imaging-features-of-glioblastoma-with-oligodendroglioma-component-a-comparison-with-conventional-glioblastoma
#4
Masafumi Kanoto, Kazukuni Kirii, Yuuki Toyoguchi, Masashi Nishihara, Keita Sakurai, Kazuhiro Murayama, Tomoyuki Noguchi, Kenichiro Matsuda, Kaori Sakurada, Yukihiko Sonoda, Takaaki Hosoya
BACKGROUND: Glioblastoma with oligodendroglioma component (GBMO) is a subtype of conventional glioblastoma (cGBM), which is categorized as WHO grade IV. GBMO can be histopathologically distinguished from cGBM and the prognosis of GBMO is better than that of cGBM. However, no systematic review of GBMO imaging findings has been published to date. PURPOSE: To clarify the radiological imaging features of GBMO compared with those of cGBM. MATERIAL AND METHODS: The participants were 15 patients with GBMO and 32 patients with cGBM as a control group, all of whom were histopathologically diagnosed...
November 2016: Acta Radiologica Open
https://www.readbyqxmd.com/read/27895410/collision-tumor-of-hepatocellular-carcinoma-and-neuroendocrine-carcinoma-involving-the-liver-case-report-and-review-of-the-literature
#5
Gyu Ho Choi, Sun Young Ann, Soon Il Lee, Suk Bae Kim, Il Han Song
Primary hepatic neuroendocrine carcinoma (NEC) with concurrent occurrence of hepatocellular carcinoma (HCC) of the liver is very rare. Only 8 cases have been reported in the literature. Concurrent occurrence of HCC and NEC in the liver is classified as combined type or collision type by histological distributional patterns; only 2 cases have been reported. Herein, we report a case of collision type concurrent occurrence of HCC and NEC, in which primary hepatic NEC was in only a small portion of the nodule, which is different from the 2 previously reported cases...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27891421/imaging-modality-of-choice-for-pre-operative-cochlear-imaging-hrct-vs-mri-temporal-bone
#6
Poornima Digge, Rajendra N Solanki, Dipali C Shah, Rajesh Vishwakarma, Sandeep Kumar
INTRODUCTION: Congenital inner ear malformations occur as a result of the arrest or aberrance of inner ear development due to the heredity, gene mutation or other factors. Ever since the availability of cochlear implants, pre-operative evaluation by imaging of temporal bone has gained much attention. Precise selection of the candidate for cochlear implant dependent on preoperative radiological investigations. Only CT (Computed Tomography) and MRI (Magnetic Resonance Imaging) can provide a better picture of anatomy and pathology...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890767/implications-of-vestibular-schwannoma-consistency-analysis-of-140-cases-regarding-radiological-and-clinical-features
#7
Ahmed R Rizk, Abbas Adam, Isabel Gugel, Jens Schittenhelm, Marcos Tatagiba, Florian H Ebner
OBJECTIVE: To evaluate the effects of vestibular schwannoma (VS) consistency on internal auditory canal (IAC) widening, MRI-appearance, presenting symptoms and facial nerve outcome. MATERIAL AND METHODS: We performed a retrospective analysis of 140 consecutive patients presenting with unilateral VS who underwent surgical treatment in our Department. Operative videos were analyzed, and the tumors were classified into soft and firm according to the resectability with the ultrasonic aspirator at 40% power...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27889090/focal-nodular-and-diffuse-haematopoietic-marrow-hyperplasia-in-patients-with-underlying-malignancies-a-radiological-mimic-of-malignancy-in-need-of-recognition
#8
L T C Chow, A W H Ng, S K C Wong
AIM: To report the authors' experience of focal nodular haematopoietic marrow hyperplasia (FNHMH) and diffuse haematopoietic marrow hyperplasia (DHMH) clinically masquerading as skip, distant, or disseminated metastasis in seven patients with underlying malignant neoplasms. MATERIALS AND METHODS: Five patients with FNHMH and two with DHMH mistaken radiologically as skip and disseminated metastasis, respectively, were compared and contrasted with four patients with osteosarcomas and two with chondrosarcomas harbouring skip metastasis, noting the temporal relationship with their haematological profile...
November 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27885837/imaging-findings-of-flexion-type-of-hangman-s-fracture-an-attempt-for-a-more-objective-evaluation-with-newly-introduced-scoring-system
#9
Sawsan Taif, Venugopal K Menon, Asif Alrawi, Ahmed Sameer Alnuaimi, Kishore Kumar Mollahalli, Khalifa Al Ghafri
OBJECTIVE: To identify the flexion type of hangman's fracture on imaging studies. METHODS: Thirty-eight cases of Hangman's fractures were retrospectively studied and categorised into flexion and non-flexion groups. Plain radiograph, computed tomography (CT) and magnetic resonance imaging (MRI) of these patients were evaluated, 13 radiological parameters that might define flexion injuries were measured. The data was statistically analysed to identify good criteria and to rank them according to their importance in predicting flexion...
November 25, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27878583/imaging-button-battery-ingestions-and-insertions-in-children-a-15-year-single-center-review
#10
Brian S Pugmire, Tom K Lin, Scott Pentiuk, Alessandro de Alarcon, Catherine K Hart, Andrew T Trout
BACKGROUND: Recent studies have shown an increase in morbidity associated with button battery ingestions in children. OBJECTIVE: To perform a comprehensive, imaging-focused review of all patients with confirmed button battery ingestions/insertions imaged at our institution in the last 15 years. MATERIALS AND METHODS: Radiology reports from Jan. 1, 2000, to July 12, 2015, were searched for the terms "battery" and "batteries." Confirmed cases of battery ingestion/insertion for which images were available were reviewed...
November 23, 2016: Pediatric Radiology
https://www.readbyqxmd.com/read/27878338/reporting-standards-for-the-imaging-based-diagnosis-of-renal-masses-on-ct-and-mri-a-national-survey-of-academic-abdominal-radiologists-and-urologists
#11
Matthew S Davenport, Eric M Hu, Andrew D Smith, Hersh Chandarana, Khaled Hafez, Ganesh S Palapattu, J Stuart Wolf, Stuart G Silverman
PURPOSE: To define important elements of a structured radiology report of a CT or MRI performed to evaluate an indeterminate renal mass. METHODS: IRB approval was waived for this multi-site prospective quality improvement study. A 35-question survey investigating elements of a CT or MRI report describing a renal mass was created through an iterative process by the Society of Abdominal Radiology Disease-Focused Panel on renal cell carcinoma. Surveys were distributed to consenting abdominal radiologists and urologists at nine academic institutions...
November 22, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27878066/a-rare-case-of-invasive-apocrine-carcinoma-of-the-breast-with-unusual-radiologic-findings
#12
Ji Min Kim, Shin Young Kim, Mee Hye Oh, Jong Eun Lee
Invasive apocrine carcinoma (IAC) of the breast is a rare subtype of breast malignancy. Its incidence is not well known, but it is approximately less than 1% to 4%. For these reasons, there are few reports and little information on the radiologic appearance of IAC. Furthermore, most of the case reports show malignant features which are similar to invasive ductal carcinoma (IDC). We present a rare case of IAC without typical malignant feature on mammography, and ultrasonography (USG). Imaging findings on computed tomography (CT), magnetic resonance imaging (MRI), and 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT are also presented...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27863343/acrometastasis-following-colorectal-cancer-a-case-report-and-review-of-literature
#13
Kozar Agha, Khalid Akbari, Syed Husain Abbas, Simon Middleton, Daniel McGrath
INTRODUCTION: Colorectal cancer commonly metastasises to the liver, peritoneum and lungs. Bony metastases are uncommon in colorectal cancer and in particular metastases to the hands or feet (acrometastasis) are an extremely rare occurrence. CASE PRESENTATION: A 65-year-old male with a colonic malignancy underwent elective anterior resection. Intra-operatively he was found to have a pelvic collection necessitating an end colostomy. Histology confirmed complete Dukes B tumour excision with no evidence of lymph node metastases...
November 10, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27858233/utility-of-contemporaneous-dual-read-in-the-setting-of-emergency-teleradiology-reporting
#14
Anjali Agrawal, D B Koundinya, Jayadeepa Srinivas Raju, Anurag Agrawal, Arjun Kalyanpur
PURPOSE: Emergency radiology requires rapid and accurate interpretation of imaging examinations. Missed findings may lead to adverse outcomes. Double reporting may be used to minimize errors. Limited contemporaneous double reporting may be most efficient and cost-effective, but no data exists. This study is intended to examine the benefits of double reading and identify examinations where this would be most useful. METHODS: In this study, dual reporting was conducted in a parallel reading environment in a teleradiology practice for 3779 radiological procedures performed at two radiology centers in the USA over a period of 4 months...
November 18, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27854093/posterior-reversible-encephalopathy-syndrome-mimicking-brainstem-infarction-a-dilemma
#15
Tsung-Han Ho, Chia-Lin Tsai, Yaw-Don Hsu, Jiunn-Tay Lee, Fu-Chi Yang, Chia-Ching Hsu, Chun-Chieh Lin
PURPOSE: We had recently reported one case at American Journal of Emergency Medicine about centralvariant posterior reversible encephalopathy syndrome (PRES) in an 84-year-old woman with an initial misdiagnosis as central pontine myelinolysis (CPM). Here, we introduce another case of centralvariant PRES in a 49-year-old man mimicking as acute brainstem infarction in the cranial computed tomography (CT) findings. CASE REPORT: A 49-year-old man was admitted to the emergency department with a 5-day history of vertigo, cognitive decline, and difficulty in walking...
June 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27848124/reversible-cerebral-vasoconstriction-syndrome-and-posterior-reversible-encephalopathy-syndrome-associated-with-intracranial-hypotension
#16
Katharina Feil, Robert Forbrig, Franziska S Thaler, Julian Conrad, Suzette Heck, Franziska Dorn, Hans-Walter Pfister, Andreas Straube
BACKGROUND: Reversible cerebral vasoconstriction syndrome (RCVS) and posterior reversible encephalopathy syndrome (PRES) are both rare disorders. The pathophysiology of both diseases is not yet fully understood. METHODS: We report the unique case of a 19-year-old comatose woman who was brought to the ER after a series of generalized tonic-clonic seizures 6 days post peridural anesthesia for cesarean section. Vital signs and initial laboratory testing including urine analysis and drug screening were unremarkable...
November 15, 2016: Neurocritical Care
https://www.readbyqxmd.com/read/27844336/radiation-safety-awareness-among-medical-interns-are-eu-guidelines-being-implemented
#17
A M Lee, M J Lee
BACKGROUND: European recommendations suggest that medical students should be taught radiation safety before entering clinical practice. AIM: The aim of this study was to produce a summative assessment of radiation protection training in medical school in Ireland. MATERIALS AND METHODS: A web-based questionnaire was distributed to the 2014 intern population (n = 683) via network intern-coordinators. The survey encompassed knowledge of radiation dose in X-ray investigations, laws governing the prescribing of radiation and complications of radiation exposure to staff and patients...
November 14, 2016: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/27843693/treatment-and-imaging-of-intracranial-atherosclerotic-stenosis-current-perspectives-and-future-directions
#18
REVIEW
Ido R van den Wijngaard, Ghislaine Holswilder, Marianne A A van Walderveen, Ale Algra, Marieke J H Wermer, Osama O Zaidat, Jelis Boiten
BACKGROUND AND PURPOSE: Intracranial atherosclerosis is a common cause of stroke worldwide. It results in ischemic stroke due to different mechanisms including artery-to-artery embolism, in situ thrombo-occlusion, occlusion of perforating arteries, and hemodynamic failure. In this review, we present an overview of current treatment and imaging modalities in intracranial atherosclerotic stenosis. METHODS: PubMed was searched for relevant articles in English that evaluated the treatment and imaging of intracranial atherosclerotic stenosis (ICAS)...
November 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27837434/prediction-of-genetic-subgroups-in-adult-supra-tentorial-gliomas-by-pre-and-intraoperative-parameters
#19
Shunsuke Nakae, Kazuhiro Murayama, Hikaru Sasaki, Masanobu Kumon, Yuya Nishiyama, Shigeo Ohba, Kazuhide Adachi, Shinya Nagahisa, Takuro Hayashi, Joji Inamasu, Masato Abe, Mitsuhiro Hasegawa, Yuichi Hirose
Recent progress in neuro-oncology has validated the significance of genetic diagnosis in gliomas. We previously investigated IDH1/2 and TP53 mutations via Sanger sequencing for adult supratentorial gliomas and reported that PCR-based sequence analysis classified gliomas into three genetic subgroups that have a strong association with patient prognosis: IDH mutant gliomas without TP53 mutations, IDH and TP53 mutant gliomas, and IDH wild-type gliomas. Furthermore, this analysis had a strong association with patient prognosis...
November 11, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27829431/radiomics-based-targeted-radiotherapy-planning-rad-trap-a-computational-framework-for-prostate-cancer-treatment-planning-with-mri
#20
Rakesh Shiradkar, Tarun K Podder, Ahmad Algohary, Satish Viswanath, Rodney J Ellis, Anant Madabhushi
BACKGROUND: Radiomics or computer - extracted texture features have been shown to achieve superior performance than multiparametric MRI (mpMRI) signal intensities alone in targeting prostate cancer (PCa) lesions. Radiomics along with deformable co-registration tools can be used to develop a framework to generate targeted focal radiotherapy treatment plans. METHODS: The Rad-TRaP framework comprises three distinct modules. Firstly, a module for radiomics based detection of PCa lesions on mpMRI via a feature enabled machine learning classifier...
November 10, 2016: Radiation Oncology
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