• Clinical imaging · Nov 2018

    Observational Study

    MR imaging features of presumed retroclavicular and periscapular intermuscular vascular plexi - An observational, anatomic study.

    • Shivani Ahlawat, Filippo Del Grande, and Laura M Fayad.
    • The Russell H. Morgan Department of Radiology & Radiological Science, The Johns Hopkins Medical Institutions, 600 North Wolfe Street, Baltimore, MD 21287, United States of America. Electronic address: sahlawa1@jhmi.edu.
    • Clin Imaging. 2018 Nov 1; 52: 62-69.

    ObjectiveTo describe MR imaging features of presumed vascular plexi in the periscapular (PSC) and retroclavicular (RC) locations.Materials/Methods443 consecutive MR studies performed as "brachial plexus" protocol (axialT1-W and sagittal STIR) were reviewed for presence, size and characteristics of PSC and RC plexi.ResultsPresumed PSC and RC vascular plexi were present in 10%. Both plexi more commonly occurred on the left side. Percutaneous biopsy (n = 1) yielded no vascular neoplasm.ConclusionRC and PSC vascular plexi are commonly encountered on routine brachial plexus MR imaging and may represent variant vascular networks, as they are frequently found on the contralateral asymptomatic side.Copyright © 2018 Elsevier Inc. All rights reserved.

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