Fistula formation after excision of extraperitoneal paravaginal teratoma

Abstracts: Objective: Mature extragonadal teratomas, particularly at the pelvic extraperitoneal site, are rare. Herein, we report a case of paravaginal teratoma and fistula formation five years post-operation. Case Report: A 23-year-old woman (G4P3A1) presented with a left paravaginal cystic tumor....

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Main Authors: Ting-Chien Lin, Po-Chuan Chen, Wan-Chen Liu, Chun-Ting Chiang, Yu-Fang Huang
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Taiwanese Journal of Obstetrics & Gynecology
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Online Access:http://www.sciencedirect.com/science/article/pii/S1028455924002948
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Summary:Abstracts: Objective: Mature extragonadal teratomas, particularly at the pelvic extraperitoneal site, are rare. Herein, we report a case of paravaginal teratoma and fistula formation five years post-operation. Case Report: A 23-year-old woman (G4P3A1) presented with a left paravaginal cystic tumor. After transvaginal tumor excision, histopathology revealed a paravaginal dermoid cyst. Five years post-operation, she returned with recurrent symptoms, including fever and perineal pain. Pelvic magnetic resonance imaging showed abscess at the surgical site, with tract-like extensions through the levator ani and vaginal wall. Treatment was administered without surgical intervention. Seven years post-operation, the patient underwent debridement of the left paravaginal abscess via the left perineal route. The patient was diagnosed with an abscess and an epidermal keratinous cyst with a vaginoperineal fistula. No recurrent abscess or fistula formation was encountered four years after debridement and fistulectomy. Conclusion: Preoperative and postoperative counseling should be conducted with long-term follow-up for such patients.
ISSN:1028-4559