Cellular Angiofibroma of the Perineal Region With Tortuous Vessels: A Report of Three Cases

Cellular angiofibroma (CA) is a slow-growing, painless benign soft tissue tumor that commonly arises in the superficial soft tissue of the vulvovaginal or inguinoscrotal regions. Since CA shares many pathological and imaging similarities with angiomyofibroblastoma and aggressive angiomyxoma, its preoperative imaging diagnosis can be challenging. To the best of our knowledge, this is the first report describing tortuous vessels around the tumor as imaging findings to assist in diagnosing CA and distinguishing it from angiomyofibroblastoma and aggressive angiomyxoma in the perineal region.