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Radiographics: a Review Publication of the Radiological Society of North America, Inc

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https://www.readbyqxmd.com/read/28129067/radiologic-pathologic-correlation-of-primary-and-secondary-cardiomyopathies-mr-imaging-and-histopathologic-findings-in-hearts-from-autopsy-and-transplantation
#1
Hiromi Hashimura, Fumiko Kimura, Hatsue Ishibashi-Ueda, Yoshiaki Morita, Masahiro Higashi, Shintaro Nakano, Atsushi Iguchi, Kensuke Uotani, Kazuro Sugimura, Hiroaki Naito
Cardiac magnetic resonance (MR) imaging with late gadolinium enhancement (LGE) is used to detect and assess the myocardial damage seen with a variety of cardiomyopathies. Gadolinium-based contrast material accumulates in the expanded interstitial space of the myocardium. Areas with LGE correspond to replacement fibrosis, fibrofatty change, epithelioid granuloma, inflammatory cell infiltration, cardiomyocyte necrosis, and amyloid deposition-conditions that represent a focal increase in interstitial space. Areas without LGE correspond to interstitial or plexiform fibrosis, mildly degenerated cardiomyocytes, inflammatory cell infiltration, and diffuse amyloid deposition-conditions that represent diffuse increases in interstitial space...
January 27, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287948/spectrum-of-ct-findings-in-thoracic-extranodal-non-hodgkin-lymphoma
#2
Mathew P Bligh, Joy N Borgaonkar, Steven C Burrell, David A MacDonald, Daria Manos
Non-Hodgkin lymphoma (NHL) frequently manifests in extranodal structures in the chest, often in the form of secondary involvement but occasionally as primary disease. Because staging and treatment are affected by the presence of extranodal disease at imaging, radiologists' interpretation and management of suspicious findings are critical to patient care. Unfortunately, owing to considerable imaging overlap with other diseases, primary extranodal lymphoma is difficult to diagnose with imaging alone. Radiologists should have a heightened degree of suspicion in patients at risk (including patients with immune compromise, autoimmune diseases, or a history of stem cell or solid organ transplant) or with particular imaging appearances (including the vertebral wraparound sign, nonresolving consolidation, an infiltrative soft-tissue mass, and lesions demonstrating vascular encasement without invasion)...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287947/abdominal-and-pelvic-trauma-misses-and-misinterpretations-at-multidetector-ct-trauma-emergency-radiology
#3
Michael N Patlas, David Dreizin, Christine O Menias, Nikki Tirada, Sanjeev Bhalla, Savvas Nicolaou, Nataly Farshait, Douglas S Katz
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287946/mr-imaging-of-the-temporomandibular-joint-in-juvenile-idiopathic-arthritis-technique-and-findings
#4
María Navallas, Emilio J Inarejos, Estíbaliz Iglesias, Gui Youn Cho Lee, Natalia Rodríguez, Jordi Antón
The term juvenile idiopathic arthritis (JIA) encompasses a group of arthritides of unknown cause that begin before 16 years of age and last for at least 6 weeks. Temporomandibular joint (TMJ) involvement has been described in up to 87% of children with JIA and has been associated with all JIA subtypes. TMJ involvement is difficult to detect clinically. In one study, 71% of JIA patients with active TMJ synovitis were asymptomatic and 63% had normal physical examination results. Moreover, the main growth center of the mandible is located in the condyle, separated from the joint space by only a thin layer of fibrocartilage...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287945/gestational-trophoblastic-disease-clinical-and-imaging-features
#5
Akram M Shaaban, Maryam Rezvani, Reham R Haroun, Anne M Kennedy, Khaled M Elsayes, Jeffrey D Olpin, Mohamed E Salama, Bryan R Foster, Christine O Menias
Gestational trophoblastic disease (GTD) is a spectrum of both benign and malignant gestational tumors, including hydatidiform mole (complete and partial), invasive mole, choriocarcinoma, placental site trophoblastic tumor, and epithelioid trophoblastic tumor. The latter four entities are referred to as gestational trophoblastic neoplasia (GTN). These conditions are aggressive with a propensity to widely metastasize. GTN can result in significant morbidity and mortality if left untreated. Early diagnosis of GTD is essential for prompt and successful management while preserving fertility...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287944/squamous-cell-carcinoma-of-the-bladder-complicating-schistosomiasis-airp-best-cases-in-radiologic-pathologic-correlation
#6
Matthew J Poturalski, Cristina Magi-Galluzzi, Peter S Liu
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287943/inflammatory-bowel-disease-current-role-of-imaging-in-diagnosis-and-detection-of-complications-gastrointestinal-imaging
#7
Pedro Sergio Brito Panizza, Publio Cesar Cavalcante Viana, Natally Horvat, Valter Ribeiro Dos Santos, Diego Adrian Pucci de Araújo, Tássia Regina Yamanari, Claudia da Costa Leite, Giovanni Guido Cerri
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287942/fdg-pet-ct-pitfalls-in-gynecologic-and-genitourinary-oncologic-imaging
#8
Amish Lakhani, Sairah R Khan, Nishat Bharwani, Victoria Stewart, Andrea G Rockall, Sameer Khan, Tara D Barwick
The role of whole-body positron emission tomography (PET)/computed tomography (CT) with fluorodeoxyglucose ( FDG fluorodeoxyglucose ) is now established in the assessment of many gynecologic and genitourinary malignant tumors. FDG fluorodeoxyglucose PET/CT has been widely adopted for staging assessments in patients with suspected advanced disease, in cases of suspected disease recurrence, and for determining prognosis in a number of malignancies. A number of pitfalls are commonly encountered when reviewing FDG fluorodeoxyglucose PET/CT scans in gynecologic and genitourinary cases; these pitfalls can be classified into those that yield potential false-positive or false-negative results...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287941/invited-commentary-on-itmig-classification-of-mediastinal-compartments-and-multidisciplinary-approach-to-mediastinal-masses
#9
Paul E Van Schil, Stijn Heyman
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287940/diagnosis-and-management-of-complications-from-percutaneous-biliary-tract-interventions
#10
Nanda Venkatanarasimha, Karthik Damodharan, Apoorva Gogna, Sum Leong, Chow Wei Too, Ankur Patel, Kiang Hiong Tay, Bien Soo Tan, Richard Lo, Farah Irani
Complications related to percutaneous biliary tract interventions (PBTIs) can range from access site discomfort to life-threatening vascular complications. These complications are relatively uncommon, and most of them are self-limiting. However, major complications for which an increased level of patient care and/or a prolonged hospital stay are required and that may lead to death-albeit rarely-can occur. Some of the most common complications related to PBTI include pain, infection, bile leakage, and catheter blockage...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287939/syphilitic-aortitis-with-coronary-ostial-involvement-airp-best-cases-in-radiologic-pathologic-correlation
#11
Kevin Lian, Lawrence Lee, Lindsay Machan
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287938/soft-tissue-sarcomas-of-the-abdomen-and-pelvis-radiologic-pathologic-features-part-1-common-sarcomas-from-the-radiologic-pathology-archives
#12
Angela D Levy, Maria A Manning, Waddah B Al-Refaie, Markku M Miettinen
Soft-tissue sarcomas are a diverse group of rare mesenchymal malignancies that can arise at any location in the body and affect all age groups. These sarcomas are most common in the extremities, trunk wall, retroperitoneum, and head and neck. In the adult population, soft-tissue sarcomas arising in the abdomen and pelvis are often large masses at the time of diagnosis because they are usually clinically silent or cause vague or mild symptoms until they invade or compress vital organs. In contrast, soft-tissue sarcomas arising from the abdominal wall come to clinical attention earlier in the course of disease because they cause a palpable mass, abdominal wall deformity, or pain that is more clinically apparent...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287937/multimodality-imaging-findings-in-carcinoid-tumors-a-head-to-toe-spectrum
#13
Ameya Jagdish Baxi, Kedar Chintapalli, Amol Katkar, Carlos S Restrepo, Sonia L Betancourt, Abhijit Sunnapwar
Carcinoid tumors are a rare biologically heterogeneous group of neuroendocrine tumors with a spectrum ranging from benign indolent to aggressive metastatic tumors. They belong to the category of amine precursor uptake and decarboxylase tumors, or apudomas. The most common sites for primary locations are the gastrointestinal and respiratory tracts; however, any organ can be involved. The clinical presentation depends on location, aggressiveness, production of biologically active amines and peptides, paraneoplastic syndromes, and tendency for metastasis...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287936/editor-s-recognition-awards
#14
Jeffrey S Klein
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28287935/heterotopic-pancreas-histopathologic-features-imaging-findings-and-complications
#15
Maryam Rezvani, Christine Menias, Kumaresan Sandrasegaran, Jeffrey D Olpin, Khaled M Elsayes, Akram M Shaaban
Heterotopic pancreas is a congenital anomaly in which pancreatic tissue is anatomically separate from the main gland. The most common locations of this displacement include the upper gastrointestinal tract-specifically, the stomach, duodenum, and proximal jejunum. Less common sites are the esophagus, ileum, Meckel diverticulum, biliary tree, mesentery, and spleen. Uncomplicated heterotopic pancreas is typically asymptomatic, with the lesion being discovered incidentally during an unrelated surgery, during an imaging examination, or at autopsy...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28212054/machine-learning-for-medical-imaging
#16
Bradley J Erickson, Panagiotis Korfiatis, Zeynettin Akkus, Timothy L Kline
Machine learning is a technique for recognizing patterns that can be applied to medical images. Although it is a powerful tool that can help in rendering medical diagnoses, it can be misapplied. Machine learning typically begins with the machine learning algorithm system computing the image features that are believed to be of importance in making the prediction or diagnosis of interest. The machine learning algorithm system then identifies the best combination of these image features for classifying the image or computing some metric for the given image region...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28212053/transthoracic-echocardiography-pitfalls-and-limitations-as-delineated-at-cardiac-ct-and-mr-imaging
#17
Sachin B Malik, Natalie Chen, Rex A Parker, Joe Y Hsu
Transthoracic echocardiography ( TTE transthoracic echocardiography ) is a critical tool in the field of clinical cardiology. It often serves as one of the first-line imaging modalities in the evaluation of cardiac disease owing to its low cost, portability, widespread availability, lack of ionizing radiation, and ability to evaluate both anatomy and function of the heart. Consequently, a large majority of patients undergoing a cardiac computed tomography (CT) or magnetic resonance (MR) imaging examination will have a TTE transthoracic echocardiography available for review...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28186860/traumatic-rib-injury-patterns-imaging-pitfalls-complications-and-treatment
#18
Brett S Talbot, Christopher P Gange, Apeksha Chaturvedi, Nina Klionsky, Susan K Hobbs, Abhishek Chaturvedi
The ribs are frequently affected by blunt or penetrating injury to the thorax. In the emergency department setting, it is vital for the interpreting radiologist to not only identify the presence of rib injuries but also alert the clinician about organ-specific injury, specific traumatic patterns, and acute rib trauma complications that require emergent attention. Rib injuries can be separated into specific morphologic fracture patterns that include stress, buckle, nondisplaced, displaced, segmental, and pathologic fractures...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28186859/multimodality-imaging-based-evaluation-of-single-lumen-silicone-breast-implants-for-rupture
#19
Stephen J Seiler, Pooja B Sharma, Jody C Hayes, Ramapriya Ganti, Ann R Mootz, Emily D Eads, Sumeet S Teotia, W Phil Evans
Breast implants are frequently encountered on breast imaging studies, and it is essential for any radiologist interpreting these studies to be able to correctly assess implant integrity. Ruptures of silicone gel-filled implants often occur without becoming clinically obvious and are incidentally detected at imaging. Early diagnosis of implant rupture is important because surgical removal of extracapsular silicone in the breast parenchyma and lymphatics is difficult. Conversely, misdiagnosis of rupture may prompt a patient to undergo unnecessary additional surgery to remove the implant...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28165877/invited-commentary-on-multidetector-ct-of-surgically-proven-blunt-bowel-and-mesenteric-injury
#20
Michael N Patlas
No abstract text is available yet for this article.
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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