Serous borderline ovarian tumor with functioning stroma in a postmenopausal woman: Immunohistochemical analysis of steroidogenic pathway

Masanori Yasuda, Johbu Itoh, Takeshi Hirasawa, Kenichi Hirazono, Takao Shinozuka, Hironobu Sasano, R. Yoshiyuki Osamura

研究成果: Article査読

1 被引用数 (Scopus)

抄録

An epithelial ovarian tumor with estrogenic manifestations (vaginal bleeding, vaginal softening) was encountered in a 70-year-old woman. The preoperative serum levels of estrone, estradiol, and testosterone were elevated. A right ovarian serous papillary tumor of borderline malignancy was removed and found to have a cellular, focally luteinized stroma. Steroidogenic enzymes, including 3β-hydroxysteroid dehydrogenase and P450 cytochromes specific for cholesterol side-chain cleavage (P450scc), 17α- hydroxylation (P45017α), and aromatization (P450arom), were immunohistochemically demonstrated in the stromal cells. Immunohistochemical evaluation of these enzymes suggest significant functional differences among the enzymatically-activated stromal cells. That only rare stromal cells were immunoreactive for P450arom suggests that most of the testosterone synthesized in the tumor is extragonadally converted to estrogen, resulting in tumor-associated estrinism.

本文言語English
ページ(範囲)75-78
ページ数4
ジャーナルInternational Journal of Gynecological Pathology
17
1
DOI
出版ステータスPublished - 1998 1月

ASJC Scopus subject areas

  • 病理学および法医学
  • 産婦人科学

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