A Case of Vulvar Cavernous Lymphangioma.

Cystic (cavernous) lymphangioma of the vulva is a benign tumor of lymphatic vessels with only 10 cases previously reported in the medical literature worldwide. The following is a case of bilateral vulvar cavernous lymphangiomas in a 23-year-old woman with bilateral soft tissue masses of the labia majora. Prior unsuccessful management included aspiration, incision, and drainage. Surgical marsupialization of both masses led to resolution and the subsequent histologic diagnosis of cavernous lymphangioma. Although rare, cavernous lymphangioma should be included in the differential diagnosis of soft tissue masses of the distal labia. Cavernous lymphangioma can mimic other more common vulvar soft tissue masses such as Bartholin's cyst.