Incidental Serous Tubal Intraepithelial Carcinoma and Non-Neoplastic Conditions of the Fallopian Tubes in Grossly Normal Adnexa: A Clinicopathologic Study of 388 Completely Embedded Cases

Jeffrey D. Seidman, Jayashree Krishnan, Anna Yemelyanova, Russell Vang

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Serous tubal intraepithelial carcinoma (STIC), the putative precursor of the majority of extrauterine high-grade serous carcinomas, has been reported in both high-risk women (those with a germline BRCA mutation, a personal history of breast carcinoma, and/or family history of breast or ovarian carcinoma) and average risk women from the general population. We reviewed grossly normal adnexal specimens from 388 consecutive, unselected women undergoing surgery, including those with germline BRCA mutation (37 patients), personal history of breast cancer or family history of breast/ovarian cancer (74 patients), endometrial cancer (175 patients), and a variety of other conditions (102 patients). Among 111 high-risk cases and 277 non-high-risk cases, 3 STICs were identified (0.8%), all in non-high-risk women (high risk vs. non-high risk: P=not significant). STIC was found in 2 women with nonserous endometrial carcinoma and 1 with complex atypical endometrial hyperplasia. Salpingoliths (mucosal calcifications), found in 9% of high-risk cases, and fimbrial adenofibromas in 9.9% of high-risk cases, were significantly more common in high-risk as compared with non-high-risk women (1.8% and 2.5%, respectively; P<0.007). Mucinous metaplasia was found in 3.1%, salpingitis isthmica nodosa in 3.4%, hemosiderin or pseudoxanthoma cells in 4.9%, and fibrous luminal nodules in 4.1%. None of these latter features differed significantly in the high-risk versus non-high-risk groups. These findings suggest a possible association between STIC and endometrial hyperplasia and carcinoma, and clarify the frequency of non-neoplastic tubal findings in grossly normal fallopian tubes.

Original languageEnglish (US)
Pages (from-to)423-429
Number of pages7
JournalInternational Journal of Gynecological Pathology
Volume35
Issue number5
DOIs
StatePublished - 2016

Keywords

  • Adenofibroma
  • BRCA
  • Fallopian tube carcinoma
  • Fimbriae
  • Intraepithelial carcinoma
  • Mucinous metaplasia
  • Ovarian carcinoma
  • Salpingolith
  • Serous carcinoma

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Obstetrics and Gynecology

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