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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/29131778/adventures-and-misadventures-in-plastic-surgery-and-soft-tissue-implants
#1
Dana J Lin, Tony T Wong, Gina A Ciavarra, Jonathan K Kazam
Soft-tissue augmentation and implants are increasingly seen by the radiologist as more techniques emerge for a variety of indications and locations. Some surgical and implant procedures are performed for purely cosmetic reasons in otherwise healthy patients seeking to improve their body image, and some are performed for reconstruction after cancer or other chronic illnesses. Abdominoplasty, liposuction, and autologous fat grafting can be performed for abdominal and gluteal contouring. Injection of liquid injectable silicone has historically been fraught with legal issues, although it continues to be used for augmentation in a variety of anatomic locations...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131777/malignant-solitary-fibrous-tumor-of-the-liver-airp-best-cases-in-radiologic-pathologic-correlation
#2
Cátia Esteves, Tiago Maia, José Manuel Lopes, Madalena Pimenta
Editor's Note.-RadioGraphics continues to publish radiologic-pathologic case material selected from the American Institute for Radiologic Pathology (AIRP) "best case" presentations. The AIRP conducts a 4-week Radiologic Pathology Correlation Course, which is offered five times per year. On the penultimate day of the course, the best case presentation is held at the American Film Institute Silver Theater and Cultural Center in Silver Spring, Md. The AIRP faculty identifies the best cases, from each organ system, brought by the resident attendees...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131776/clinical-pet-imaging-in-prostate-cancer-erratum
#3
Kathryn L Wallitt, Sairah R Khan, Suraiya Dubash, Henry H Tam, Sameer Khan, Tara D Barwick
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131775/traumatic-hip-dislocation-what-the-orthopedic-surgeon-wants-to-know
#4
Jacob C Mandell, Richard A Marshall, Michael J Weaver, Mitchel B Harris, Aaron D Sodickson, Bharti Khurana
Hip dislocation is an important orthopedic emergency usually seen in young patients who have experienced high-energy trauma, often resulting in significant long-term morbidity. Rapid identification and reduction is critical, as prolonged dislocation increases the risk of developing avascular necrosis of the femoral head, and posttraumatic osteoarthritis is a common complication, even in the absence of associated fractures. Identification and timely management of hip dislocation are highly dependent on imaging, both at presentation and after attempted reduction...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131774/imaging-of-juvenile-hip-conditions-predisposing-to-premature-osteoarthritis-pediatric-imaging
#5
Carl Kraus, Rama S Ayyala, Jonathan K Kazam, Tony T Wong
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131773/update-on-cardiovascular-applications-of-multienergy-ct
#6
Kevin Kalisz, Sandra Halliburton, Suhny Abbara, Jonathon A Leipsic, Moritz H Albrecht, U Joseph Schoepf, Prabhakar Rajiah
Advances in scanner technology enabling shorter scan times, improvements in spatial and temporal resolution, and more dose-efficient data reconstruction coupled with rapidly growing evidence from clinical trials have established computed tomography (CT) as an important imaging modality in the evaluation of cardiovascular disorders. Multienergy (or spectral or dual-energy) CT is a relatively recent advance in which attenuation data from different energies are used to characterize materials beyond what is possible at conventional CT...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131772/congratulations-to-the-2017-rsna-outstanding-educator-dorothy-bulas-md
#7
Matthew A Mauro
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131770/differentiation-of-solid-renal-tumors-with-multiparametric-mr-imaging
#8
Camila Lopes Vendrami, Carolina Parada Villavicencio, Todd J DeJulio, Argha Chatterjee, David D Casalino, Jeanne M Horowitz, Daniel T Oberlin, Guang-Yu Yang, Paul Nikolaidis, Frank H Miller
Characterization of renal tumors is critical to determine the best therapeutic approach and improve overall patient survival. Because of increased use of high-resolution cross-sectional imaging in clinical practice, renal masses are being discovered with increased frequency. As a result, accurate imaging characterization of these lesions is more important than ever. However, because of the wide array of imaging features encountered as well as overlapping characteristics, identifying reliable imaging criteria for differentiating malignant from benign renal masses remains a challenge...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131769/imaging-of-the-endometrium-physiologic-changes-and-diseases-women-s-imaging
#9
Akshya Gupta, Amit Desai, Shweta Bhatt
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131768/from-inguinal-hernias-to-spermatic-cord-lipomas-pearls-pitfalls-and-mimics-of-abdominal-and-pelvic-hernias
#10
Miguel C Cabarrus, Benjamin M Yeh, Andrew S Phelps, Jao J Ou, Spencer C Behr
Abdominal and pelvic hernias may be indolent and detected incidentally, manifest acutely with pain and distress, or cause chronic discomfort. Physical examination findings are often ambiguous and insufficient for optimal triage. Therefore, accurate anatomic delineation and identification of complications are critical for effective treatment planning. Imaging, particularly computed tomography, provides a vital understanding of the hernia's location and size, involved viscera, and severity of associated complications...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131767/invited-commentary-on-differentiation-of-solid-renal-tumors-with-multiparametric-mr-imaging
#11
COMMENT
Zhen J Wang, Ronald J Zagoria
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131766/mimics-of-malignancy-in-abdominal-imaging-multisystem-radiology
#12
Michael P Hartung, Christine O Menias, Vincent M Mellnick, Meghan G Lubner, Perry J Pickhardt
No abstract text is available yet for this article.
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131765/comprehensive-cross-sectional-imaging-of-the-pulmonary-veins
#13
Cameron Hassani, Farhood Saremi
The pulmonary veins carry oxygenated blood from the lungs to the heart, but their importance to the radiologist extends far beyond this seemingly straightforward function. The anatomy of the pulmonary veins is variable among patients, with several noteworthy variant and anomalous patterns, including supernumerary pulmonary veins, a common ostium, anomalous pulmonary venous return, and levoatriocardinal veins. Differences in pulmonary vein anatomy and the presence of variant or anomalous anatomy can be of critical importance, especially for preoperative planning of pulmonary and cardiac surgery...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131764/nongynecologic-findings-seen-at-pelvic-us
#14
Akram M Shaaban, Maryam Rezvani, Jeffrey D Olpin, Anne M Kennedy, Ayman H Gaballah, Bryan R Foster, Christine O Menias, Khaled M Elsayes
Ultrasonography (US) is frequently the first imaging modality used to examine women with symptoms involving the pelvis. It is widely available and involves no exposure to ionizing radiation. Images can be acquired with a transabdominal, endovaginal, or translabial approach, and the use of video clips and three-dimensional reconstructions can be helpful. US is excellent for assessment of the uterus, ovaries, and adnexa. Occasionally, nongynecologic pelvic diseases arising from the gastrointestinal, genitourinary, and musculoskeletal systems and the pelvic peritoneal and extraperitoneal spaces may be detected and can be a source of diagnostic dilemma...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131763/immune-checkpoint-inhibitor-cancer-therapy-spectrum-of-imaging-findings
#15
Gary X Wang, Vikram Kurra, Justin F Gainor, Ryan J Sullivan, Keith T Flaherty, Susanna I Lee, Florian J Fintelmann
Immune checkpoint inhibitors are a new class of cancer therapeutics that have demonstrated striking successes in a rapid series of clinical trials. Consequently, these drugs have dramatically increased in clinical use since being first approved for advanced melanoma in 2011. Current indications in addition to melanoma are non-small cell lung cancer, head and neck squamous cell carcinoma, renal cell carcinoma, urothelial carcinoma, and classical Hodgkin lymphoma. A small subset of patients treated with immune checkpoint inhibitors undergoes an atypical treatment response pattern termed pseudoprogression: New or enlarging lesions appear after initiation of therapy, thereby mimicking tumor progression, followed by an eventual decrease in total tumor burden...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131762/strengths-and-weaknesses-of-synthetic-mammography-in-screening
#16
Linda Ratanaprasatporn, Sona A Chikarmane, Catherine S Giess
Synthetic mammography (SM) consists of two-dimensional images reconstructed from digital breast tomosynthesis (DBT) data. Unlike standard full-field digital mammography (FFDM), SM does not require additional radiation exposure. SM is being introduced in breast imaging centers because early clinical data demonstrate that synthetic images are comparable to FFDM in cancer detection, positive predictive values, and recall rates. SM has completely replaced FFDM in some practices. Thus, an understanding of SM and its strengths and weaknesses compared with those of FFDM is essential...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131761/2017-version-of-li-rads-for-ct-and-mr-imaging-an-update
#17
Khaled M Elsayes, Jonathan C Hooker, Michelle M Agrons, Ania Z Kielar, An Tang, Kathryn J Fowler, Victoria Chernyak, Mustafa R Bashir, Yuko Kono, Richard K Do, Donald G Mitchell, Aya Kamaya, Elizabeth M Hecht, Claude B Sirlin
The Liver Imaging Reporting and Data System (LI-RADS) is a reporting system created for the standardized interpretation of liver imaging findings in patients who are at risk for hepatocellular carcinoma (HCC). This system was developed with the cooperative and ongoing efforts of an American College of Radiology-supported committee of diagnostic radiologists with expertise in liver imaging and valuable input from hepatobiliary surgeons, hepatologists, hepatopathologists, and interventional radiologists. In this article, the 2017 version of LI-RADS for computed tomography and magnetic resonance imaging is reviewed...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29131760/deep-learning-a-primer-for-radiologists
#18
Gabriel Chartrand, Phillip M Cheng, Eugene Vorontsov, Michal Drozdzal, Simon Turcotte, Christopher J Pal, Samuel Kadoury, An Tang
Deep learning is a class of machine learning methods that are gaining success and attracting interest in many domains, including computer vision, speech recognition, natural language processing, and playing games. Deep learning methods produce a mapping from raw inputs to desired outputs (eg, image classes). Unlike traditional machine learning methods, which require hand-engineered feature extraction from inputs, deep learning methods learn these features directly from data. With the advent of large datasets and increased computing power, these methods can produce models with exceptional performance...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29053407/lung-rads-pushing-the-limits
#19
Maria D Martin, Jeffrey P Kanne, Lynn S Broderick, Ella A Kazerooni, Cristopher A Meyer
In response to the recommendation of the U.S. Preventive Services Task Force and the coverage decision by the Centers for Medicare and Medicaid Services for lung cancer screening (LCS) computed tomography (CT), the American College of Radiology introduced the Lung CT Screening Reporting and Data System (Lung-RADS) in 2014 to standardize the reporting and management of screening-detected lung nodules. As with many first-edition guidelines, questions arise when such reporting systems are used in daily practice...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29028423/2016-updates-to-the-who-brain-tumor-classification-system-what-the-radiologist-needs-to-know
#20
Derek R Johnson, Julie B Guerin, Caterina Giannini, Jonathan M Morris, Lawrence J Eckel, Timothy J Kaufmann
Radiologists play a key role in brain tumor diagnosis and management and must stay abreast of developments in the field to advance patient care and communicate with other health care providers. In 2016, the World Health Organization (WHO) released an update to its brain tumor classification system that included numerous significant changes. Several previously recognized brain tumor diagnoses, such as oligoastrocytoma, primitive neuroectodermal tumor, and gliomatosis cerebri, were redefined or eliminated altogether...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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