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KMID : 1141120200060020075
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The Nerve
2020 Volume.6 No. 2 p.75 ~ p.79
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Median Neuropathy Caused by Intramuscular Venous Malformation in the Brachialis Muscle at the Elbow: A Case Report
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Choi Sang-Soo
Son Byung-Chul
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Abstract
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Venous malformations (VMs) are composed of abnormal collections of veins that have different luminal sizes and wall thicknesses, and geographically can appear superficial, deep, diffuse, localized, or not uncommonly, multiple. Since VMs are a congenital lesion, their occurrence in the late 50s is rare. In addition, intramuscular VMs comprise an uncommon subgroup of VMs. They are often mistaken for tumors because of a similar presentation. Here we report on a rare intramuscular VM originating from the brachialis muscle in the left arm, which caused a local mass effect, showing the symptoms associated with irritation of the median nerve. The lesion was diagnosed by typical magnetic resonance imaging findings. Surgical resection was chosen for this symptomatic, well-localized lesion in the distal brachialis muscle; it resulted in complete symptomatic relief without recurrence.
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KEYWORD
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Brachialis muscle, Elbow, Median neuropathy, Vascular malformation
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