Vascular malformations of the extremities are grouped into three categories : arteriovenous malformations, haemangiomas, and purely venous malformations. [1] Vascular malformations present a notoriously difficult therapeutic challenge and hence management requires detailed knowledge of the location and extent of the lesion. [1] Angiography is the principal method of evaluation, but the role of MRI in evaluating venous malformation is superseeding angiography since more clear information regarding the lesion could be obtained by a relatively noninvasive procedure. [1] We describe here a successfully managed case of arteriovenous malformation of left vastus medialis muscle.