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Radiologic Clinics of North America

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https://www.readbyqxmd.com/read/30322496/imaging-of-the-pelvis-and-lower-extremity
#1
EDITORIAL
Kurt F Scherer, Laura W Bancroft
No abstract text is available yet for this article.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322495/mr-imaging-of-entrapment-neuropathies-of-the-lower-extremity
#2
REVIEW
Elisabeth R Garwood, Alejandra Duarte, Jenny T Bencardino
Entrapment neuropathies of the lower extremity are commonly encountered and present a diagnostic challenge. Historical diagnostic workhorses-the physical examination combined with electrodiagnostic studies-are now frequently supplemented by MR neurography. MR neurography is a high-resolution, noninvasive, and operator-independent imaging modality that has proven useful in diagnosis, disease severity assessment, and informing treatment decisions in the management of lower extremity entrapment neuropathies. Currently, the assessment of the peripheral nerves relies heavily on reader identification of morphologic nerve changes; however, emerging innovative MR sequences and PET/MR imaging hold the potential to provide noninvasive means of functional assessment...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322494/imaging-of-the-pelvis-and-lower-extremity-demystifying-uncommon-sources-of-pelvic-pain
#3
REVIEW
Daniel J Mizrahi, Alex E Poor, William C Meyers, Johannes B Roedl, Adam C Zoga
Pelvic pain can result from gastrointestinal, gynecologic, urologic, neurologic, and musculoskeletal sources. This article focuses on the musculoskeletal lesions that contribute to acute and chronic pain throughout the musculoskeletal core. Armed with an understanding of musculoskeletal core anatomy and biomechanics, imagers play an integral role in the accurate diagnosis and treatment planning for patients with pain and dysfunction from pelvic sources. MR imaging is the primary imaging modality used, but focused sonographic and radiographic techniques have a role...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322493/current-concepts-of-femoroacetabular-impingement
#4
REVIEW
Aria Ghaffari, Ivan Davis, Troy Storey, Michael Moser
Femoroacetabular impingement (FAI) is a prevalent clinical syndrome and likely a primary contributor to idiopathic hip osteoarthritis. It is characterized by osseous pathomorphology in the hip that alters normal biomechanics, causing accelerated joint degeneration and characteristic patterns of chondral and labral injuries. Early intervention in well-selected patients can provide symptomatic relief and delay progression to osteoarthritis. Because imaging findings of FAI are subtle, a checklist approach based on current concepts is necessary to efficiently generate imaging reports that advance clinical decision-making...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322492/imaging-of-the-postoperative-meniscus
#5
REVIEW
Russell Chapin
In the postmeniscectomy or meniscal repair setting, there is overlap between expected postoperative change and findings of a re-torn meniscus, particularly increased T1-weighted or proton density signal contacting the articular surface. Protocol selection and accurate diagnosis requires knowledge of meniscal tear treatment, the expected postoperative appearance, and criteria for re-tear. Criteria for meniscal re-tear on MR imaging are high T2-weighted signal reaching the articular surface, abnormal meniscal morphology not explained by the surgery, or a displaced fragment...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322491/an-update-and-comprehensive-review-of-the-posterolateral-corner-of-the-knee
#6
REVIEW
Jack Porrino, Jake W Sharp, Tolu Ashimolowo, Gregor Dunham
The posterolateral corner (PLC) of the knee is composed of numerous ligamentous and tendinous structures that provide restraint and stability. This anatomy is complex, and at times controversial. We present a comprehensive review of the normal anatomy and pathology of the PLC. We highlight potential pitfalls of image interpretation and detail what the referring physician needs to know.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322490/bone-and-soft-tissue-tumors-about-the-foot-and-ankle
#7
REVIEW
Naoki O Murai, Oluwadamilola Teniola, Wei-Lien Wang, Behrang Amini
The foot and ankle delicately balance the need for support of the weight of the human body, with the need for flexibility. Palpable masses about the foot and ankle, therefore, are most commonly related to trauma or mechanical instability. Non-neoplastic causes, such as ganglion cysts and callus, therefore, predominate. However, the radiologist must be aware of the imaging appearance of less common benign and malignant neoplasms that can involve the foot and ankle.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322489/imaging-manifestations-of-ankle-impingement-syndromes
#8
REVIEW
Gary M LiMarzi, Omar Khan, Yashesh Shah, Corrie M Yablon
Ankle impingement syndromes encompass various pathologic entities that contribute to ankle pain with limited range of motion. Although classically described in athletes, these changes can occur in individuals of all ages, often with a history of prior ankle trauma. Ankle impingement is broadly categorized as anterolateral, anterior, posterior, anteromedial, and posteromedial, depending on the area of the ankle affected. Both osseous and soft tissue abnormalities can contribute to impingement symptoms, and a combination of these is often present...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322488/metatarsalgia
#9
REVIEW
Aaron Hodes, Hilary Umans
Although causes of metatarsalgia are multifactorial, in practice these most commonly include osseous stress reaction or fracture (including subchondral injury) and interdigital neuroma or plantar plate tear with adjacent pseudoneuroma. The various roles of radiography, ultrasonography, and MR imaging are discussed, and relevant technical issues and imaging findings are reviewed in order to facilitate accurate diagnosis and guide proper treatment of metatarsalgia.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322487/lisfranc-injury-current-concepts
#10
REVIEW
Hyojeong Mulcahy
Lisfranc injuries range from sprain to fracture-dislocation. Radiologists must have a thorough understanding of anatomy, mechanisms, and patterns of these injuries to diagnose and help clinicians assess treatment options and prognosis. The initial imaging evaluation of patients with a suspected Lisfranc injury consists of non-weight-bearing radiographs. In patients with high-energy injuries, the diagnosis is straightforward, and patients usually undergo CT for surgical planning. In patients with low-energy injuries, when findings on initial radiographs are equivocal, further evaluation is performed with weight-bearing radiographs, CT, or MR imaging...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322486/turf-toe-an-update-and-comprehensive-review
#11
REVIEW
Tolu Ashimolowo, Gregor Dunham, Jake W Sharp, Jack Porrino
Turf toe is a spectrum of injury involving the first metatarsophalangeal joint originally described in football players on artificial surfaces. A detailed description of the complex anatomy and pathology involved in the turf toe injury is presented. We highlight potential pitfalls of image interpretation and emphasize what the referring physician needs to know.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322485/ultrasound-intervention-of-the-lower-extremity-pelvis
#12
REVIEW
Brian Y Chan, Kenneth S Lee
Musculoskeletal (MSK) conditions are growing in prevalence. Ultrasound (US) is increasingly used for managing MSK conditions due to its low cost and ability to provide real-time image guidance during therapeutic interventions. As MSK US becomes more widespread, familiarity and comfort with US-guided interventions will become increasingly important. This article focuses on general concepts regarding therapeutic US-guided injections of corticosteroids and platelet-rich plasma and highlights several of the US-guided procedures commonly performed, involving the pelvis and lower extremity...
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30322484/extreme-sports-injuries-to-the-pelvis-and-lower-extremity
#13
REVIEW
Preeti Arun Sukerkar, Angela M Fast, Geoffrey Riley
Extreme sports are growing in popularity, and physicians are becoming increasingly aware of injuries related to these activities. Imaging plays a key role in diagnosing and determining clinical management of many of these injuries. This article describes general imaging techniques and findings in various injuries specific to multiple extreme sports.
November 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119778/innovations-in-bowel-imaging
#14
EDITORIAL
Judy Yee
No abstract text is available yet for this article.
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119777/imaging-of-the-postoperative-colon
#15
REVIEW
Eugene Huo, Laura Eisenmenger, Stefanie Weinstein
Recognition of postoperative complications is important for the immediate diagnosis and treatment needed for appropriate patient care. Identification of postoperative complications from colon surgery requires not only knowledge of the type of procedure, but also the expected normal postoperative appearance. The purpose of this article is to discuss and review the expected anatomic changes after colorectal surgery, and the appearance of the most common postoperative complications.
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119776/lower-gastrointestinal-tract-applications-of-pet-computed-tomography-and-pet-mr-imaging
#16
REVIEW
Onofrio Catalano, Aoife Kilcoyne, Alberto Signore, Umar Mahmood, Bruce Rosen
This article discusses the role of PET/CT and PET/MR imaging in the evaluation of inflammatory and malignant disorders of the lower gastrointestinal tract. This includes a review of the current literature and a discussion of new and emerging research.
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119775/dual-energy-computed-tomography-scans-of-the-bowel-benefits-pitfalls-and-future-directions
#17
REVIEW
Benjamin M Yeh, Markus M Obmann, Antonio C Westphalen, Michael A Ohliger, Judy Yee, Yuxin Sun, Zhen J Wang
Current computed tomography bowel imaging is challenging given the variable distension, content, and location of the bowel, the different appearance of tumors within and adjacent to bowel, and peristaltic artifacts. Published data remain sparse. Derangements in enhancement may be highlighted, image artifacts reduced, and radiation dose from multiphase scans minimized. This modality is suited for imaging bowel tumor detection and characterization, gastrointestinal bleeding, and bowel inflammation, and ischemia...
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119774/imaging-workup-of-acute-and-occult-lower-gastrointestinal-bleeding
#18
REVIEW
Trevor C Morrison, Michael Wells, Jeff L Fidler, Jorge A Soto
Lower gastrointestinal bleeding is defined as occurring distal to the ligament of Treitz and presents as hematochezia, melena, or with anemia and positive fecal occult blood test. Imaging plays a pivotal role in the localization and treatment of lower gastrointestinal bleeds. Imaging tests in the workup of acute lower gastrointestinal bleeding include computed tomography (CT) angiography, nuclear medicine scintigraphy, and conventional catheter angiography. Catheter angiography can also be used to deliver treatment...
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119773/mr-imaging-of-perianal-fistulas
#19
REVIEW
Kartik S Jhaveri, Seng Thipphavong, Lijun Guo, Mukesh G Harisinghani
In this article, we begin with an introduction of the perianal region anatomy, then review the definition, etiology, epidemiology, and 2 major classification systems of perianal fistulas. The role of MR imaging for assessment of perianal fistulas is mainly discussed. Finally, the medical and surgical treatment principles are reviewed.
September 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/30119772/mr-imaging-of-rectal-cancer
#20
REVIEW
Natally Horvat, Iva Petkovska, Marc J Gollub
This article aims to review current concepts in the management of patients with rectal cancer, including the most common surgical techniques, anatomic landmarks with MR imaging correlation, and the role of each imaging modality in local staging, focusing on MR imaging technique and its importance in primary staging, restaging, and local recurrence.
September 2018: Radiologic Clinics of North America
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