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

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https://read.qxmd.com/read/30978150/multidetector-ct-of-laryngeal-injuries-principles-of-injury-recognition
#1
Junzi Shi, Jennifer W Uyeda, Alejandra Duran-Mendicuti, Christopher A Potter, Diego B Nunez
Blunt laryngeal trauma is associated with high morbidity and mortality. However, owing to their relatively rare occurrence, laryngeal injuries may be missed or underdiagnosed. Even subtle abnormalities at multidetector CT may correspond to significant functional abnormalities. It is important to understand normal CT laryngeal anatomy and develop a systematic review of the cervical soft tissues and laryngeal skeleton in patients who undergo screening CT cervical spine or other neck examinations in the setting of trauma, such as CT angiography...
April 12, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30978149/imaging-spectrum-of-cavernous-sinus-lesions-with-histopathologic-correlation
#2
Harsha Vardhan Mahalingam, Sunithi E Mani, Bimal Patel, Krishna Prabhu, Mathew Alexander, Girish M Fatterpekar, Geeta Chacko
Cavernous sinuses are paired interconnected venous plexuses situated in the floor of the middle cranial fossa on either side of the sella turcica and sphenoid sinus. They are lined by dura mater and consist of multiple venous channels within. The cavernous sinuses are intimately related to the internal carotid artery and its associated sympathetic plexus, the oculomotor nerve, the trochlear nerve, the abducens nerve, and the ophthalmic nerve. Cavernous sinuses are connected to the orbit, the pterygopalatine fossa, the infratemporal fossa, the nasopharynx, and the posterior cranial fossa by various foramina, fissures, and canals in the skull base...
April 12, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30951438/ligaments-and-lymphatic-pathways-in-gastric-adenocarcinoma
#3
Jennifer J Young, Anokh Pahwa, Maitraya Patel, Cecilia M Jude, Michael Nguyen, Monica Deshmukh, Lizhou Huang, Shaden F Mohammad
Gastric cancer is a leading cause of cancer-related deaths worldwide and is associated with an overall 5-year survival rate of less than 20%. The most common histologic subtype of gastric cancer is adenocarcinoma. Imaging techniques for evaluating gastric adenocarcinoma include endoscopic US, fluoroscopic upper gastrointestinal imaging, CT, PET/CT, and MRI. Hydrodynamic multiphasic contrast material-enhanced CT is the imaging modality of choice for preoperative clinical staging of regional, nodal, and metastatic involvement...
April 5, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30951437/multimodality-imaging-of-focal-and-diffuse-fibrosing-mediastinitis
#4
Sherief H Garrana, Jennifer R Buckley, Melissa L Rosado-de-Christenson, Santiago Martínez-Jiménez, Phillip Muñoz, John J Borsa
Fibrosing mediastinitis is a rare benign but potentially life-threatening process that occurs because of proliferation of fibrotic tissue in the mediastinum. The focal subtype is more common and typically is associated with an abnormal immunologic response to Histoplasma capsulatum infection. Affected patients are typically young at presentation, but a wide age range has been reported, without a predilection for either sex. The diffuse form may be idiopathic or associated with autoimmunity, usually affects middle-aged and/or elderly patients, and is more common in men...
April 5, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30924755/invited-commentary-on-advanced-ct-techniques-for-decreasing-radiation-dose-reducing-sedation-requirements-and-optimizing-image-quality-in-children
#5
Timothy P Szczykutowicz
No abstract text is available yet for this article.
March 29, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30924754/primary-and-secondary-breast-lymphoma-clinical-pathologic-and-multimodality-imaging-review
#6
Sean D Raj, Mahmud Shurafa, Zeeshan Shah, Karuna M Raj, Michael D C Fishman, Vandana M Dialani
Breast lymphoma is a rare hematologic neoplasm that originates in the breast lymphoid tissue and includes primary breast lymphoma (PBL) and secondary breast lymphoma (SBL). PBL involves the breast lymphoid tissue in the absence of previously identified extramammary lymphoma and widespread disease. SBL is the most common metastasis to the breast, accounting for 17% of metastatic disease to the breast. PBL and SBL usually demonstrate imaging phenotypes that overlap with those of primary breast carcinoma, which makes a prospective diagnosis of breast lymphoma challenging...
March 29, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30924753/advanced-ct-techniques-for-decreasing-radiation-dose-reducing-sedation-requirements-and-optimizing-image-quality-in-children
#7
Ravi V Gottumukkala, Mannudeep K Kalra, Azadeh Tabari, Alexi Otrakji, Michael S Gee
CT is an invaluable diagnostic tool for pediatric patients; however, concerns have arisen about the potential risks of ionizing radiation associated with diagnostic imaging in young patients, particularly for pediatric populations that may require serial CT examinations. Recent attention has also been focused on the immediate and long-term risks of administration of anesthetic medications to infants and young children who require sedation to undergo imaging examinations. These concerns can be mitigated with use of advanced CT techniques that can decrease scan time and radiation dose while preserving image quality...
March 29, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30901285/abbreviated-mri-protocols-for-the-abdomen
#8
Rodrigo Canellas, Andrew B Rosenkrantz, Bachir Taouli, Evis Sala, Sanjay Saini, Ivan Pedrosa, Zhen J Wang, Dushyant V Sahani
Technical advances in MRI have improved image quality and have led to expanding clinical indications for its use. However, long examination and interpretation times, as well as higher costs, still represent barriers to use of MRI. Abbreviated MRI protocols have emerged as an alternative to standard MRI protocols. These abbreviated MRI protocols seek to reduce longer MRI protocols by eliminating unnecessary or redundant sequences that negatively affect cost, MRI table time, patient comfort, image quality, and image interpretation time...
March 22, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30901284/four-dimensional-flow-mri-principles-and-cardiovascular-applications
#9
Arshid Azarine, Philippe Garçon, Audrey Stansal, Nadia Canepa, Giorgios Angelopoulos, Stephane Silvera, Daniel Sidi, Véronique Marteau, Marc Zins
In-plane phase-contrast (PC) imaging is now a routine component of MRI of regional blood flow in the heart and great vessels. In-plane PC MRI provides a volumetric, isotropic, time-resolved cine sequence that enables three-directional velocity encoding, a technique known as four-dimensional (4D) flow MRI. Recent advances in 4D flow MRI have shortened imaging times, while progress in big-data processing has improved dataset pre- and postprocessing, thereby increasing the feasibility of 4D flow MRI in clinical practice...
March 22, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30768361/mri-of-rectal-cancer-tumor-staging-imaging-techniques-and-management
#10
Natally Horvat, Camila Carlos Tavares Rocha, Brunna Clemente de Oliveira, Iva Petkovska, Marc J Gollub
Rectal cancer is prone to local recurrence and systemic metastasis. However, owing to improvements in TNM staging and treatment, including a more widespread use of rectal MRI and increased radiologist awareness of the key rectal cancer TNM staging features, the mortality rate of rectal cancer has been declining over the past few decades in adults over 50 years of age. Currently, rectal MRI plays a key role in the pre- and posttreatment evaluation of rectal cancer, assisting the multidisciplinary team in tailoring the most appropriate treatment option...
February 15, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30735470/functional-mr-neurography-in-evaluation-of-peripheral-nerve-trauma-and-postsurgical-assessment
#11
Teodoro Martín Noguerol, Rafael Barousse, Marta Gómez Cabrera, Mariano Socolovsky, Jenny T Bencardino, Antonio Luna
Evaluation of traumatic peripheral nerve injuries has classically been based on clinical and electrophysiologic criteria. US and MRI have been widely used for morphologic assessment of nerve injury sites and concomitant lesions. In the past few years, morphologic MR neurography has significantly increased its clinical applications on the basis of three-dimensional or two-dimensional images with and without fat-suppression techniques. However, these sequences have a major drawback: absence of pathophysiologic information about functional integrity or axonal flow of peripheral nerves...
February 8, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30707647/injuries-to-the-rigid-spine-what-the-spine-surgeon-wants-to-know
#12
Nandish G Shah, Abhishek Keraliya, Diego B Nunez, Andrew Schoenfeld, Mitchel B Harris, Christopher M Bono, Bharti Khurana
The biomechanical stability of the spine is altered in patients with a rigid spine, rendering it vulnerable to fracture even from relatively minor impact. The rigid spine entities are ankylosing spondylitis (AS), diffuse idiopathic skeletal hyperostosis, degenerative spondylosis, and a surgically fused spine. The most common mechanism of injury resulting in fracture is hyperextension, which often leads to unstable injury in patients with a rigid spine per the recent AOSpine classification system. Due to the increased risk of spinal fractures in this population, performing a spine CT is the first step when a patient with a rigid spine presents with new back pain or suspected spinal trauma...
February 1, 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844356/editor-s-recognition-awards
#13
Jeffrey S Klein
No abstract text is available yet for this article.
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844355/invited-commentary-on-current-and-emerging-roles-of-whole-body-mri-in-evaluation-of-pediatric-cancer-patients
#14
Geetika Khanna
No abstract text is available yet for this article.
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844354/mri-of-the-wrist-algorithmic-approach-for-evaluating-wrist-pain
#15
Greg S Matthews, Bahram Kiani, Scott D Wuertzer, Jason A Powell, Brandon L Roller, Leon Lenchik, Maha Torabi
No abstract text is available yet for this article.
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844353/intradural-extramedullary-spinal-neoplasms-radiologic-pathologic-correlation
#16
Kelly K Koeller, Robert Y Shih
While intradural extramedullary spinal disease varies widely, identification of tumors in this location and their radiologic manifestations greatly facilitates narrowing of the diagnostic considerations. Meningioma and schwannoma are the two most common intradural extramedullary tumors, and both are associated with neurofibromatosis. Meningiomas are most common in the thoracic spine and show a strong female predilection and a clinical manifestation related to compression of the spinal cord or nerve roots. Schwannomas typically are associated with radicular pain and other sensory symptoms...
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844352/bi-rads-terminology-for-mammography-reports-what-residents-need-to-know
#17
Karina Pesce, María B Orruma, Carolina Hadad, Yesenia Bermúdez Cano, Roberto Secco, Andrea Cernadas
No abstract text is available yet for this article.
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844351/imaging-appearance-and-nonsurgical-management-of-pelvic-venous-congestion-syndrome
#18
Candice A Bookwalter, Wendaline M VanBuren, Melissa J Neisen, Haraldur Bjarnason
Pelvic venous congestion syndrome (PVCS) is a challenging and complex cause of chronic pelvic pain in female patients. PVCS due to incompetent vein valves is the combination of gonadal vein reflux and pelvic venous engorgement in patients with chronic pelvic pain without other causes. However, pelvic venous engorgement and gonadal vein reflux can be seen in patients without pelvic pain, which makes obtaining a detailed history and physical examination important for workup and diagnosis. The underlying cause of PVCS may be incompetent gonadal vein valves or structural causes such as left renal vein compression with an incompetent gonadal vein valve (nutcracker syndrome) or iliac vein compression (May-Thurner configuration) with reflux into the ipsilateral internal iliac vein...
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844350/myxopapillary-ependymoma
#19
Aletta Ann Frazier
No abstract text is available yet for this article.
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/30844349/congenital-limb-overgrowth-syndromes-associated-with-vascular-anomalies
#20
Frederic Bertino, Kiery A Braithwaite, C Matthew Hawkins, Anne E Gill, Michael A Briones, Rachel Swerdlin, Sarah S Milla
Congenital limb length discrepancy disorders are frequently associated with a variety of vascular anomalies and have unique genetic and phenotypic features. Many of these syndromes have been linked to sporadic somatic mosaicism involving mutations of the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) pathway, which has an important role in tissue growth and angiogenesis. Radiologists who are aware of congenital limb length discrepancies can make specific diagnoses based on imaging findings...
March 2019: Radiographics: a Review Publication of the Radiological Society of North America, Inc
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