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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/28622118/imaging-spectrum-of-invasive-fungal-and-fungal-like-infections
#1
Hilary L P Orlowski, Sebastian McWilliams, Vincent M Mellnick, Sanjeev Bhalla, Meghan G Lubner, Perry J Pickhardt, Christine O Menias
Invasive fungal and fungal-like infections contribute to substantial morbidity and mortality in immunocompromised individuals. The incidence of these infections is increasing-largely because of rising numbers of immunocompromised patients, including those with neutropenia, human immunodeficiency virus, chronic immunosuppression, indwelling prostheses, burns, and diabetes mellitus, and those taking broad-spectrum antibiotics. Invasive fungal pathogens include primary mycotic organisms such as Histoplasma capsulatum, Coccidioides immitis, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, which are true pathogens and inherently virulent...
June 16, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28622117/periprosthetic-femoral-fractures-in-the-emergency-department-what-the-orthopedic-surgeon-wants-to-know
#2
Richard A Marshall, Michael J Weaver, Aaron Sodickson, Bharti Khurana
Femoral fracture in the setting of a hip arthroplasty is an increasingly common complication encountered in the emergency department (ED). Diagnosis and management of periprosthetic fractures are complicated, and orthopedic surgeons rely on imaging findings to guide the appropriate management approach to the injury. Delay in identification and appropriate definitive management of periprosthetic fractures is associated with high morbidity and mortality. At present, the Vancouver classification system for periprosthetic hip fractures is the most common classification system used by orthopedic surgeons...
June 16, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28598732/pulmonary-function-tests-for-the-radiologist
#3
Hsiang-Jer Tseng, Travis S Henry, Srihari Veeraraghavan, Pardeep K Mittal, Brent P Little
Pulmonary function tests (PFTs) provide important quantitative information about lung function and can be used to elucidate pathologic conditions responsible for respiratory symptoms, assess the severity and course of disease, and evaluate the patient for suitability and timing for lung transplantation. They are typically used in tandem with chest imaging, along with other ancillary data, to arrive at a specific diagnosis. PFTs may provide the radiologist with clues to the diagnosis and grading of a wide variety of pulmonary diseases...
June 9, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28598731/neoplasms-of-the-appendix-pictorial-review-with-clinical-and-pathologic-correlation
#4
Laura M Leonards, Anokh Pahwa, Maitraya K Patel, Jeffrey Petersen, Michael J Nguyen, Cecilia M Jude
Appendiceal neoplasms are uncommon tumors of the gastrointestinal tract that may manifest with symptoms of appendicitis, right lower quadrant pain, or palpable mass, leading to imaging or surgical intervention. The majority of appendiceal masses consist of primary epithelial neoplasms and neuroendocrine tumors (NETs). Epithelial neoplasms-mucinous and nonmucinous types-are more often detected at imaging than NETs due to their larger size and propensity for peritoneal spread and metastatic disease. Epithelial mucinous neoplasms are defined by the presence of mucin, detected at radiologic and pathologic examination...
June 9, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28574809/testicular-seminoma-and-its-mimics
#5
Jamie Marko, Darcy J Wolfman, Alex L Aubin, Isabell A Sesterhenn
Testicular seminoma is the most common malignant tumor of the testis. It classically manifests as a painless mass. Radiologic evaluation with high-frequency ultrasonography (US) is critical for diagnosis. Seminomas are usually homogeneously hypoechoic masses at US. In challenging cases, magnetic resonance (MR) imaging may help confirm that a mass is intratesticular and provide data for local staging. Computed tomography (CT) provides valuable information for staging, including the presence and size of retroperitoneal lymph nodes...
June 2, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28574808/fetal-cardiac-us-techniques-and-normal-anatomy-correlated-with-adult-ct-and-mr-imaging
#6
Neel Patel, Evan Narasimhan, Anne Kennedy
Congenital heart disease (CHD) is an important cause of childhood mortality. Despite the widespread use of ultrasonography (US) as a screening tool, the prenatal detection rate is suboptimal. Improvement of the initial screening examination, which is performed in low-risk populations and often interpreted by community radiologists, targets a point in the screening process that is likely to have the largest population effect. If the goal of community-based screenings is to detect cases that may be abnormal and refer those to specialized centers for complete assessment, it is logical to use a checklist to confirm normal anatomy...
June 2, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28548906/beyond-the-bowel-extraintestinal-manifestations-of-inflammatory-bowel-disease
#7
Jeffrey D Olpin, Brett P Sjoberg, Sarah E Stilwill, Leif E Jensen, Maryam Rezvani, Akram M Shaaban
Inflammatory bowel disease (IBD) is a chronic, relapsing immune-mediated inflammation of the gastrointestinal tract. IBD includes two major disease entities: Crohn disease and ulcerative colitis. Imaging plays an important role in the diagnosis and surveillance of these complex disorders. Computed tomographic and magnetic resonance enterographic techniques have been refined in recent years to provide a superb means of evaluating the gastrointestinal tract for suspected IBD. Although the intestinal imaging manifestations of IBD have been extensively discussed in the radiology literature, extraintestinal imaging manifestations of IBD have received less attention...
May 26, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28548905/brca-associated-cancers-role-of-imaging-in-screening-diagnosis-and-management
#8
Michelle V Lee, Venkata S Katabathina, Michyla L Bowerson, Marina I Mityul, Anup S Shetty, Khaled M Elsayes, Aparna Balachandran, Priya R Bhosale, Ann E McCullough, Christine O Menias
Harmful mutations of the BRCA tumor suppressor genes result in a greater lifetime risk for malignancy-breast and ovarian cancers in particular. An increased risk for male breast, fallopian tube, primary peritoneal, pancreatic, prostate, and colon cancers also has been reported. The BRCA gene is inherited in an autosomal dominant pattern and tends to be highly penetrant; thus, there is an increased incidence of these cancers in affected families. Compared with sporadic tumors, BRCA-associated malignancies have unique manifestations, clinical features, and pathologic profiles...
May 26, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493806/pediatric-benign-bone-tumors-what-does-the-radiologist-need-to-know-pediatric-imaging
#9
Jignesh N Shah, Harris L Cohen, Asim F Choudhri, Saurabh Gupta, Stephen F Miller
No abstract text is available yet for this article.
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493805/creating-three-dimensional-printed-models-of-acetabular-fractures-for-use-as-educational-tools
#10
Matthew S Manganaro, Yoav Morag, William J Weadock, Corrie M Yablon, Kara Gaetke-Udager, Erica B Stein
Acetabular fractures are frequently encountered in some clinical practices, and the precise classification of these fractures greatly influences treatments and outcomes. The authors identified the need for an educational aid when teaching acetabular fracture classifications, given the complex spatial anatomy and the nonintuitive classification system that is commonly used. Three-dimensional ( 3D three-dimensional ) printing is an evolving technique that has applications as an educational aid, providing the student with a tangible object to interact with and learn from...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493804/hereditary-renal-cystic-disorders-imaging-of-the-kidneys-and-beyond
#11
Jonathan R Dillman, Andrew T Trout, Ethan A Smith, Alexander J Towbin
The purpose of this article is to review the hereditary renal cystic diseases that can manifest in children and adults, with specific attention to pathogenesis and imaging features. Various common and uncommon hereditary renal cystic diseases are reviewed in terms of their underlying etiology, including the involved genetic mutations and the affected proteins and cellular structures. Focus is placed on the morphologic findings in each condition and the features that distinguish one disorder from another. The two most common categories of hereditary renal cystic disease are (a) the ciliopathic disorders, which are related to mutations affecting the primary cilia (called "ciliopathies"), and (b) the phakomatoses...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493803/soft-tissue-sarcomas-of-the-abdomen-and-pelvis-radiologic-pathologic-features-part-2-uncommon-sarcomas
#12
Angela D Levy, Maria A Manning, Markku M Miettinen
Soft-tissue sarcomas occurring in the abdomen and pelvis are an uncommon but important group of malignancies. Recent changes to the World Health Organization classification of soft-tissue tumors include the movement of gastrointestinal stromal tumors (GISTs) into the soft-tissue tumor classification. GIST is the most common intraperitoneal sarcoma. Liposarcoma is the most common retroperitoneal sarcoma, and leiomyosarcoma is the second most common. GIST, liposarcoma, and leiomyosarcoma account for the majority of sarcomas encountered in the abdomen and pelvis and are discussed in part 1 of this article...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493802/placental-imaging-normal-appearance-with-review-of-pathologic-findings
#13
Shaimaa Fadl, Mariam Moshiri, Corinne L Fligner, Douglas S Katz, Manjiri Dighe
The placenta plays a crucial role throughout pregnancy, and its importance may be overlooked during routine antenatal imaging evaluation. Detailed systematic assessment of the placenta at ultrasonography (US), the standard imaging examination during pregnancy, is important. Familiarity with the normal and abnormal imaging appearance of the placenta along with the multimodality and methodical approach for evaluation of its related abnormalities is necessary, so that radiologists can alert clinicians regarding appropriate prompt management decisions...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493801/imaging-of-hydatid-disease-with-a-focus-on-extrahepatic-involvement
#14
Eugenio Zalaquett, Christine Menias, Francisco Garrido, Matías Vargas, José Francisco Olivares, Daniel Campos, Natalia Pinochet, Antonio Luna, Nirvikar Dahiya, Álvaro Huete
Hydatid disease (HD) is a parasitic infection caused by the larvae of a tapeworm that is endemic to many regions around the world-South America, Africa, and Asia, in particular. Humans are infected as intermediate hosts in the parasite's life cycle; thus, HD can be seen in persons living in areas where animal husbandry is practiced. However, owing to the varied patterns of migration and immigration during the past several decades, HD can be diagnosed in individuals living anywhere. The liver is the most common organ involved, with hepatic HD accounting for the majority of published cases...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493800/iaslc-itmig-staging-system-and-lymph-node-map-for-thymic-epithelial-neoplasms
#15
Brett W Carter, Marcelo F Benveniste, Rachna Madan, Myrna C Godoy, Patricia M de Groot, Mylene T Truong, Melissa L Rosado-de-Christenson, Edith M Marom
Thymic epithelial neoplasms are rare malignancies that arise from the thymus and include thymoma, thymic carcinoma, and thymic neuroendocrine tumors. At least 15 different stage classifications have been proposed for thymic epithelial neoplasms and used to varying degrees in clinical practice, many of which have been constructed from small groups of patients. Traditionally, the Masaoka and Masaoka-Koga staging systems have been the schemes most commonly employed, and the latter has been recommended for use by the International Thymic Malignancy Interest Group (ITMIG)...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493799/shear-wave-elastography-basic-physics-and-musculoskeletal-applications
#16
Mihra S Taljanovic, Lana H Gimber, Giles W Becker, L Daniel Latt, Andrea S Klauser, David M Melville, Liang Gao, Russell S Witte
In the past 2 decades, sonoelastography has been progressively used as a tool to help evaluate soft-tissue elasticity and add to information obtained with conventional gray-scale and Doppler ultrasonographic techniques. Recently introduced on clinical scanners, shear-wave elastography (SWE) is considered to be more objective, quantitative, and reproducible than compression sonoelastography with increasing applications to the musculoskeletal system. SWE uses an acoustic radiation force pulse sequence to generate shear waves, which propagate perpendicular to the ultrasound beam, causing transient displacements...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493798/nontraumatic-lesions-of-the-scalp-practical-approach-to-imaging-diagnosis-neurologic-head-and-neck-imaging
#17
Rafael Morcillo Carratalá, María Elena Capilla Cabezuelo, Isabel Herrera Herrera, Purificación Calvo Azabarte, Sonia Dieguez Tapias, Raquel Moreno de la Presa, Fátima Ximena Aragón Tejada
No abstract text is available yet for this article.
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493797/invited-commentary-on-radiologic-pathologic-correlation-of-primary-and-secondary-cardiomyopathies
#18
Jonathan D Dodd, David J Murphy
No abstract text is available yet for this article.
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493796/traumatic-rib-injury-patterns-imaging-pitfalls-complications-and-treatment-erratum
#19
Brett S Talbot, Christopher P Gange, Apeksha Chaturvedi, Nina Klionsky, Susan K Hobbs, Abhishek Chaturvedi
No abstract text is available yet for this article.
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28493795/diagnosis-and-management-of-complications-from-percutaneous-biliary-tract-interventions-erratum
#20
Nanda Venkatanarasimha, Karthik Damodharan, Apoorva Gogna, Sum Leong, Chow Wei Too, Ankur Patel, Kiang Hiong Tay, Bien Soo Tan, Richard Lo, Farah Irani
No abstract text is available yet for this article.
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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