A Case Report of Symptomatic Subclavius Posticus Muscle in a Synchronized Swimmer

Brachial plexus magnetic resonance (MR) examination of an adult female synchronized swimmer, who was suffering from right-sided arm pain and weakness while making a stroke, showed an aberrant “subclavius posticus muscle” in the parascapular region on the right side. The muscle had an attachment ante...

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Bibliographic Details
Published in:Iranian journal of radiology 2018-07, Vol.In Press (In Press)
Main Authors: Levent Ulusoy, Onur, Sezgi Barlas, Burcin, Mutlu, Ayhan, Alis, Deniz, Enercan, Meric
Format: Article
Language:English
Subjects:
Case reports
Compression therapy
Magnetic resonance
Muscles
Pain
Scapula
Swimming
Thrombosis
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Summary:Brachial plexus magnetic resonance (MR) examination of an adult female synchronized swimmer, who was suffering from right-sided arm pain and weakness while making a stroke, showed an aberrant “subclavius posticus muscle” in the parascapular region on the right side. The muscle had an attachment anteriorly on the first rib and posteriorly on to the scapula. The belly of this aberrant muscle showed proximity to the brachial plexus. Presence of such an anomalous muscle has been recognized as a possible cause of neurovascular compression or thoracic outlet syndrome (TOS). Radiologists and surgeons should be familiar with this rare entity and consider it in the differential diagnosis of TOS.
ISSN:1735-1065
2008-2711
DOI:10.5812/iranjradiol.64784