Polyarteritis nodosa of the vagina mimicking vaginal carcinoma.

A case report is presented in which a patient is found to have an ulcerated vaginal mass that is histologically diagnosed as polyarteritis nodosa (PAN). Treatment with colchicine brought about sustained regression of the disease Approximately 34 cases of PAN involving the female genital tract have been published in the world literature. This represents the first report of vaginal involvement by a lesion of PAN.