A rare soft tissue tumor characterized by a benign subcutaneous lesion composed of oval-to-spindle shaped myoid appearing cells with a tendency for concentric perivascular growth. The tumor usually presents as a painless, slowly growing nodule, which may be solitary or appear as multiple lesions, which then arise metachronously and usually involve a particular anatomic region. Recurrence after surgical excision may occur in poorly circumscribed tumors. Malignancy is very rare.

A usually slow growing, subcutaneous nodular neoplasm arising from myopericytes. It is composed of myoid cells arranged in a perivascular growth pattern. The vast majority of cases have a benign clinical course.

Rare myofibroma-like perivascular soft tissue tumor, usually benign, characterized by concentric perivascular proliferation.