Introduction and importanceAggressive angiomyxoma is a rare soft tissue tumor. Aggressive angiomyxoma is a slow-growing vulvovaginal mesenchymal neoplasm with a marked tendency for local recurrence, but with a low tendency to metastasize. As it has a predilection for the pelvic and perineal regions, Aggressive angiomyxoma is often misdiagnosed.This case report documented rare case of misdiagnosed Aggressive Angiomyxoma as Gartner duct cyst.Presentation of caseThis article report a case of 31 year old women who complained mass came out from vagina without any urinary symptom and trauma. Physical examination and ultrasound finding suggested that the mass was Gartner Duct cyst. Management in this case was excision of the vaginal cyst. Histopathology examination revealed Deep (aggressive) angiomyxoma.DiscussionThe rarity of Deep (Aggressive) Angiomyxoma makes the preoperative …