title: [A case of primary retroperitoneal mucinous cystadenocarcinoma].
abstract: The present report describes a 31-year-old Japanese woman with a retroperitoneal cystic mass adjoining below the left kidney. No disseminated tumors were observed, and resection of the tumor only was performed laparoscopically. The surgical specimen showed a well-differentiated papillary mucinous cystadenocarcinoma of the ovarian type. Additional gynecological examination, including positron emission tomography-computed tomography, showed no malignancy at other sites. Recurrence or metastasis has not been observed after more than 1 year of follow-up. Primary retroperitoneal mucinous cystadenocarcinoma is a very rare tumor. Thirty-six and 55 cases have been reported previously in the English and Japanese literature, respectively. The pathogenesis of the disease remains unclear and controversial. A standard treatment has not been established in the literature, and a consistent prognosis has not been reported. Therefore, close post-operative follow-up is strongly recommended.
authors: The Department of Urology, Graduate School of Medicine, Gifu University.
authors: Kengo
authors: K
authors: Horie
authors: Mina
authors: M
authors: Kikuchi
authors: Tomohiro
authors: T
authors: Tuchiya
authors: Kosei
authors: K
authors: Miwa
authors: Yuzuru
authors: Y
authors: Minamidate
authors: Shigeaki
authors: S
authors: Yokoi
authors: Masahiro
authors: M
authors: Nakano
authors: Hidetoshi
authors: H
authors: Ehara
authors: Takashi
authors: T
authors: Deguchi
authors: Yoshinobu
authors: Y
authors: Hirose
mesh_terms: D000328:Adult; D018282:Cystadenocarcinoma, Mucinous / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D012186:Retroperitoneal Neoplasms / Q000473:pathology* / Q000601:surgery