Large venous hemangioma of brachial plexus.

In this report, we present a rare case of a vascular brachial plexus tumor. The patient was a 29-year-old woman with the chief complaint of progressive enlargement of a soft tissue mass in the left upper extremity, without any pain or sensory, motor, or neurologic deficits. The soft tissue mass had presented in the left deltopectoral groove eight years ago. However, the patient had not been evaluated in the past eight years and was only recently admitted to a referral hospital. After complete examination, she underwent surgery for a nerve sheath tumor of the brachial plexus.