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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/30207945/adenomyosis-a-sonographic-diagnosis
#1
Ryan K Cunningham, Mindy M Horrow, Ryan J Smith, Joseph Springer
Adenomyosis is a common benign uterine condition and a frequent cause of pelvic pain in premenopausal women. Transvaginal US is now considered the primary imaging modality for the diagnosis of adenomyosis, and thus radiologists should be familiar with its sonographic appearance. US findings can be divided into three categories, which parallel the histology of adenomyosis: (a) ectopic endometrial glands and stroma, (b) muscular hyperplasia/hypertrophy, and (c) increased vascularity. Ectopic endometrial glands manifest as echogenic nodules and striations, radiating from the endometrium into the myometrium...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207944/radiographic-review-of-avulsion-fractures-radiographics-fundamentals-online-presentation
#2
Sabarish Narayanasamy, Satheesh Krishna, Paul Sathiadoss, Waleed Althobaity, Khaldoun Koujok, Adnan M Sheikh
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207943/radiation-dose-reduction-at-pediatric-ct-use-of-low-tube-voltage-and-iterative-reconstruction
#3
Yasunori Nagayama, Seitaro Oda, Takeshi Nakaura, Akinori Tsuji, Joji Urata, Mitsuhiro Furusawa, Daisuke Utsunomiya, Yoshinori Funama, Masafumi Kidoh, Yasuyuki Yamashita
Given the growing awareness of and concern for potential carcinogenic effects of exposure of children to ionizing radiation at CT, optimizing acquisition parameters is crucial to achieve diagnostically acceptable image quality at the lowest possible radiation dose. Among currently available dose reduction techniques, recent technical innovations have allowed the implementation of low tube voltage scans and iterative reconstruction (IR) techniques into daily clinical practice for pediatric CT. The benefits of lowering tube voltage include a considerable reduction in radiation dose and improved contrast on images, especially when an iodinated contrast medium is used...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207942/invited-commentary-on-updated-fleischner-society-guidelines-for-managing-incidental-pulmonary-nodules
#4
COMMENT
Ann N Leung
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207941/invited-commentary-on-radiation-dose-reduction-in-pediatric-ct-with-response-from-dr-nagayama-et-al
#5
COMMENT
Kalpana M Kanal
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207940/mechanisms-of-uptake-of-common-radiopharmaceuticals-radiographics-fundamentals-online-presentation
#6
Marc Michael D Lim, Jeffrey Gnerre, Perry Gerard
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207939/invited-commentary-on-mr-neurographic-evaluation-of-facial-and-neck-pain
#7
COMMENT
Paul M Bunch
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207938/growth-patterns-of-retroperitoneal-leiomyosarcomas
#8
Aletta Ann Frazier
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207937/spinal-hematomas-what-a-radiologist-needs-to-know
#9
Jennifer L Pierce, Joseph H Donahue, Nicholas C Nacey, Cody R Quirk, Michael T Perry, Nicholas Faulconer, Gene A Falkowski, Michael D Maldonado, Catherine A Shaeffer, Francis H Shen
Spinal hematomas are a frequent indication for radiologic evaluation and can be a diagnostic dilemma for many radiologists and surgeons. There are four types of spinal hematomas: epidural, subdural, subarachnoid, and intramedullary (spinal cord) hematomas. Because they differ by their location in relationship to the meningeal membranes and spinal cord, unique radiologic appearances can be recognized to distinguish these types of spinal hemorrhage. Anatomic knowledge of the spinal compartments is essential to the radiologist for confident imaging diagnosis of spinal hematomas and to specify correct locations...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207936/retroperitoneal-leiomyosarcoma-from-the-radiologic-pathology-archives
#10
Jamie Marko, Darcy J Wolfman
Leiomyosarcoma is a malignant neoplasm that shows smooth muscle differentiation. It is the second most common sarcoma to affect the retroperitoneum. Retroperitoneal leiomyosarcomas may grow to large sizes before detection and may be an incidental finding at imaging. When symptomatic, retroperitoneal leiomyosarcoma may cause compressive symptoms, including pain. Retroperitoneal leiomyosarcoma most commonly manifests as a large soft-tissue mass, with areas of necrosis. The most frequent pattern of growth is an entirely extravascular mass...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207935/updated-fleischner-society-guidelines-for-managing-incidental-pulmonary-nodules-common-questions-and-challenging-scenarios
#11
Juliana Bueno, Luis Landeras, Jonathan H Chung
The new guidelines for managing incidental pulmonary nodules published by the Fleischner Society in 2017 reflect an improved understanding of the risk factors and biologic features of lung cancer. Specific topics emphasized in the updated guidelines include a new threshold size for follow-up, the importance of the morphologic features of nodules, accurate nodule measurements, recognition of subsolid components, understanding interval growth or change in nodule morphology, and knowledge of patient risk factors...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207934/congratulations-to-the-2018-editorial-fellows
#12
Mary C Mahoney
No abstract text is available yet for this article.
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207933/mr-neurographic-evaluation-of-facial-and-neck-pain-normal-and-abnormal-craniospinal-nerves-below-the-skull-base
#13
Avneesh Chhabra, Gitanjali Bajaj, Vibhor Wadhwa, Rehan S Quadri, Jonathan White, Larry L Myers, Bardia Amirlak, John R Zuniga
Cranial nerve disease outside the skull base is a common cause of facial and/or neck pain, which causes significant disability for patients and frustration for clinicians. Neuropathy in this region can be traumatic, idiopathic, or iatrogenic secondary to dental and surgical procedures. MR neurography is a modification of conventional MRI techniques dedicated to evaluation of peripheral nerves and is being increasingly used for imaging of peripheral neuropathies at various sites in the body. MR neurography facilitates assessment of different causes of craniofacial pain and cranial nerves and allows elegant depiction of a multitude of regional neuropathies...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207932/imaging-and-surgical-management-of-anorectal-vaginal-fistulas
#14
Wendaline M VanBuren, Amy L Lightner, Sarasa T Kim, Shannon P Sheedy, Madeline C Woolever, Christine O Menias, Joel G Fletcher
Anorectal vaginal fistulas (ARVFs) can result in substantial morbidity and potentially embarrassing symptoms in adult women of all ages. Despite having what may be obvious clinical manifestations, the fistulas themselves can be difficult to identify with imaging. MRI is the modality of choice for the diagnosis and characterization of ARVFs. A dedicated protocol involving the use of vaginal gel and optimized imaging planes with respect to the vagina, as well as an understanding of the MRI pelvic floor anatomy, is crucial for reporting surgically relevant details...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30207931/ct-findings-of-acute-small-bowel-entities
#15
Mark D Sugi, Christine O Menias, Meghan G Lubner, Sanjeev Bhalla, Vincent M Mellnick, Matt H Kwon, Douglas S Katz
Although a broad spectrum of entities can induce acute pathologic changes in the small bowel, there are relatively few imaging features that are characteristic of a specific diagnosis on the basis of CT findings. Specific clinical information, including time course and onset of disease, patient risk factors, and any recent pharmacologic or radiation therapy, is often instrumental in refining the differential diagnosis. A wide spectrum of disorders is reviewed in this article; however, given the breadth of disorders associated with the small bowel, neoplastic and infectious conditions affecting the small bowel that can manifest acutely are not specifically discussed...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30118393/pet-ct-in-the-diagnosis-and-workup-of-sarcoidosis-focus-on-atypical-manifestations
#16
Gensuke Akaike, Malak Itani, Hardik Shah, Jitesh Ahuja, Burcak Yilmaz Gunes, Richard Assaker, Fatemeh Behnia
Sarcoidosis is a multisystem disease characterized by the formation of noncaseating granulomas. Lung and intrathoracic lymph nodes are classic sites of involvement; however, sarcoidosis can affect any site in the body. The clinical course is extremely variable, and the imaging features are diverse and dependent on the affected site, degree of inflammation, and treatment the patient receives. Atypical manifestations and imaging findings can make diagnosis and/or management challenging. In addition, assessment of treatment response can be difficult in the setting of chronic disease...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30118392/osteochondral-lesions-of-the-knee-differentiating-the-most-common-entities-at-mri
#17
Tetyana Gorbachova, Yulia Melenevsky, Micah Cohen, Brett W Cerniglia
Several pathologic conditions may manifest as an osteochondral lesion of the knee that consists of a localized abnormality involving subchondral marrow, subchondral bone, and articular cartilage. Although understanding of these conditions has evolved substantially with the use of high-spatial-resolution MRI and histologic correlation, it is impeded by inconsistent terminology and ambiguous abbreviations. Common entities include acute traumatic osteochondral injuries, subchondral insufficiency fracture, so-called spontaneous osteonecrosis of the knee, avascular necrosis, osteochondritis dissecans, and localized osteochondral abnormalities in osteoarthritis...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30096050/radiology-resident-assessment-and-feedback-dashboard
#18
Ashimiyu B Durojaiye, Elizabeth Snyder, Michael Cohen, Paul Nagy, Kelvin Hong, Pamela T Johnson
Assessment of residents is optimally performed through processes and platforms that provide daily feedback, which can be immediately acted on. Given the documentation required by the Accreditation Council for Graduate Medical Education (ACGME), effective data management, integration, and presentation are crucial to ease the burden of manual documentation and increase the timeliness of actionable information. To this end, the authors modeled the learning activities of residents using the Experience Application Programming Interface (xAPI) framework, which is a standard framework for the learning community...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30096049/imaging-evaluation-of-pediatric-parotid-gland-abnormalities
#19
Emilio J Inarejos Clemente, María Navallas, Mirkamal Tolend, Mariona Suñol Capella, Josep Rubio-Palau, Asteria Albert Cazalla, Monica Rebollo Polo
Parotid gland lesions in children can be divided into benign or malignant. The age of the patient helps narrow the differential diagnosis, with vascular and congenital lesions being more frequent in the 1st year of life, while solid tumors are more frequent in older children. Inflammatory disease usually has rapid onset in comparison with that of neoplastic or congenital processes, which have more gradual clinical evolution. Currently, multiple imaging techniques are available to study the parotid region, such as US, CT, and MRI...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/30074858/male-breast-cancer-in-the-age-of-genetic-testing-an-opportunity-for-early-detection-tailored-therapy-and-surveillance
#20
Yiming Gao, Samantha L Heller, Linda Moy
In detection, treatment, and follow-up, male breast cancer has historically lagged behind female breast cancer. On the whole, breast cancer is less common among men than among women, limiting utility of screening, yet the incidence of male breast cancer is rising, and there are men at high risk for breast cancer. While women at high risk for breast cancer are well characterized, with clearly established guidelines for screening, supplemental screening, risk prevention, counseling, and advocacy, men at high risk for breast cancer are poorly identified and represent a blind spot in public health...
September 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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