Recurrent mucinous neoplasm arising in cesarean scar: A case report and review of literature.

Ovarian mucinous tumors are one of the common epithelial tumors in the ovary, but their recurrence is extremely rare. In a 37-year-old female patient who had had five operations in 7 years due to recurrent mucinous neoplasms, a mass extending to the umbilicus was recently detected during a routine examination. With this finding the patient underwent cystectomy, total abdominal hysterectomy, and left salpingo-oophorectomy. Two of the five operations were performed during cesarean delivery. In the recent surgical procedure, two cysts were removed. A 20 cm cyst in the pelvic region was diagnosed as a mucinous cystadenoma. The other cyst located in the myometrium was a mucinous cystadenoma with focal borderline change and arose in the previous cesarean scar. The authors present what is believed to be the first case of recurrent mucinous neoplasm arising within a cesarean scar. A review of the literature concerning the topic is also presented.