Objective: Background: Case Reports: Conclusions: Congenital defects/diseases Female genital plastic surgery is rare and requires specific patient anatomical information to successfully car-ry out the appropriate procedure for each female genital malformation. Performing endoscopic surgery can increase the amount of information intraoperatively. We report on our experience of proactively using endos-copy to obtain additional intraoperative information to perform the appropriate surgical procedure suited to each female genital malformation, and evaluate the usefulness of concurrent endoscopy for improved surgical outcomes. In Case 1, an 18-year-old woman underwent colpoplasty for Mayer-Rokitansky-Küster-Hauser syndrome using the laparoscopic Davydov procedure, wherein the pelvic peritoneum was precisely dissected using light from a laparoscope as a guide. In Case 2, a 25-year-old woman presented with suspected Wunderlich syndrome. Since the junction of the affected uterus with the normal uterus was unclear on preoperative imaging, we performed total hysterectomy of the affected uterus after identifying the anatomical structure by hysteroscopy. In Case 3, a 12-year-old girl with obstructed hemivagina and ipsilateral renal anomaly (OHVIRA) syndrome underwent transvaginal fenestration of the obstructed vaginal wall to prevent future menstrual molimen. Simultaneous hysteroscopy and laparoscopy allowed us to determine the location of a unilateral vaginal wall cyst and drain it safely. In Case 4, a 29-year-old woman had OHVIRA syndrome, and we conducted a laparoscope-based fenestration of the cervical canal safely and accurately. Our series showed how, even for gynecological malformations without established standards for surgical pro-cedure, a safe and minimally invasive surgery can be ensured if the amount of anatomical information is in-creased via endoscopy.
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