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  • Title: En Bloc Resection of an Aggressive Angiomyxoma by a Novel Combination Laparoscopic and Open Perineal Approach.
    Author: Kanao H, Aoki Y, Tanigawa T, Matoda M, Okamoto S, Nomura H, Omatsu K, Kato K, Utsugi K, Takeshima N.
    Journal: J Minim Invasive Gynecol; 2019; 26(4):598-599. PubMed ID: 30031206.
    Abstract:
    STUDY OBJECTIVE: To show a novel combination laparoscopic and open perineal approach to complete resection of aggressive angiomyxoma. DESIGN: Step-by-step video demonstration of the combination approach (Canadian Task Force classification III). SETTING: Combined laparoscopic and open perineal approach was performed in the tertiary center. PATIENT: A 46-year-old woman presented with an 8-cm vulvar mass, diagnosed as an aggressive angiomyxoma. The patient, who strongly desired to preserve her uterus and ovaries, provided informed consent for resection of the tumor by our combination approach, also approved by our Institutional Review Board. INTERVENTION: Combined laparoscopic and open perineal approach. MEASUREMENTS AND MAIN RESULTS: Aggressive angiomyxoma is a rare mesenchymal neoplasm that occurs most often in the female pelviperineal region [1]. Aggressive angiomyxoma is locally infiltrative, and high postoperative local recurrence rates (36%-72%) due to incomplete resection have been reported [2]. Therefore, until recently, wide surgical excision with tumor-free margins have been the most commonly accepted treatment. However, aggressive angiomyxoma is a benign, slow-growing tumor, and because extensive surgical resection, which is associated with high operative morbidity rates, has not been shown to have a significant effect on prognosis, a more conservative procedure may be preferable [3]. The mass was located mainly at the left ischiorectal fossa, but it extended above the pelvic diaphragm and was attached to internal obturator muscle, vagina, bladder, urethra, and rectum. We excised the tumor completely and without complications by a combined laparoscopic and open perineal approach. Twelve months have passed since the surgery, and there has been no adjuvant treatment and no sign of recurrence. CONCLUSION: Our combination approach to aggressive angiomyxoma in the pelviperineal region is technically feasible, and the good visualization and meticulous dissection provided during the laparoscopic portion of the surgery contribute to complete resection.
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