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A Rare case of Gilomatosis Peritonei in a Mature Ovarian Teratoma

Maria Angela B. De Castro, MD; Glenn B. Benitez, MD, FPOGS, FSGOP
Department of Obstetrics and Gynecology, Philippine General Hospital

Gliomatosis peritonei is the deposition of benign glial implants, more commonly associated with an immature ovarian teratoma. This paper reports a case of a 24 year old gravida 1 para 1 (1001) who underwent unilateral salpingo-oophorectomy and complete surgical staging for a preoperative diagnosis of ovarian new growth, probably malignant. Intraoperatively, aside from the ovarian mass on the right, there was also note of an omental mass. Histopathology revealed a mature ovarian teratoma for the ovary and gliomatosis peritonei for the omental mass. Gliomatosis peritonei is a rare entity. There are currently no guidelines on how patients with this condition can be followed up. Transvaginal sonography and annual measurement of alpha-fetoprotein may play a role in the follow-up of patients in low resource settings.