Primary Uterine Müllerian Mucinous Borderline Tumor (MMBT) Associated With Adenomyosis

Keiko Kawamura, Eisuke Kaneki, Shinji Ogawa, Hiroko Imamura, Yoshihiro Ohishi, Hiroaki Kobayashi, Kiyoko Kato
International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists · 2014 · vol. 33(2) , pp. 146–150 · doi:10.1097/pgp.0b013e318288b364 · PMID:24487469 · W2326597043
article OA: closed CC0 ⤵ 3 in-corpus citations
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This report describes the first case of a primary uterine mucinous borderline tumor associated with adenomyosis, originating from the posterior uterine wall in a 51-year-old woman.

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Abstract

Müllerian mucinous borderline tumors (MMBTs) usually arise from the ovary. The present report is the first case of primary uterine MMBTs associated with adenomyosis. A 51-year-old woman was referred to our hospital for a complex cystic and solid 4×3 cm right adnexal mass. She had a history of a left ovarian endometriotic cyst and had undergone a left oophorectomy 2 yr prior. A laparotomy was performed, and the tumor was found to be originating in the posterior wall of the uterus. She underwent a total abdominal hysterectomy, right salpingo-oophorectomy, and left salpingectomy. Microscopically, the solid portion of the tumor contained papillary proliferations of glands, which were covered by a mucinous epithelium with mild to moderate nuclear atypia, accompanied by stromal infiltration of inflammatory cells. Islands of adenomyosis were also observed around the cyst. These pathologic findings were similar to the features of ovarian MMBT. We diagnosed this tumor as a uterine MMBT, probably arising from adenomyosis.

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Condition tags

adenomyosis

MeSH descriptors

Adenocarcinoma, Mucinous Adenomyosis Mixed Tumor, Mullerian Uterine Neoplasms Adenocarcinoma, Mucinous Adenocarcinoma, Mucinous Adenomyosis Adenomyosis Female Humans Middle Aged Mixed Tumor, Mullerian Mixed Tumor, Mullerian Uterine Neoplasms Uterine Neoplasms

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