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An unusual endometrioid adenofibroma of the uterine cervix: a histologic and immunohistochemical study
  1. T. Nishida,
  2. T. Sugiyama,
  3. K. Ushijima,
  4. A. Kataoka,
  5. K. Fujiyoshi,
  6. H. Tanaka,
  7. S. Ota,
  8. S. Iwanaga and
  9. M. Yakushiji
  1. Department of Obstetrics and Gynecology, Kurume University, Kurume-shi, Japan
  1. Address for correspondence: Dr T. Nishida, Department of Obstetrics and Gynecology, Kurume University, 67 Asahi-machi, Kurume-shi, 830 Japan.


An unusual adenofibroma of the uterine cervix is reported. The cervix was bulkily enlarged but did not have a polypoid appearance. The neoplastic epithelium was in continuity with the covering epithelium of the cervix and consisted predominantly of endometrioid cells which proliferated to form numerous glandular structures of irregular size and shape. The glandular component resembled an endometrial hyperplasia, and was set in an abundant fibrous stroma which was moderately cellular and hyalinized. Both the epithelial and mesenchymal cells lacked cytologic atypia. Despite its benign appearance, the tumor occupied almost all the uterine cervix and extended into the upper vaginal wall. The epithelial cells showed diffuse positive staining for CA19-9 and were focally positive for carcinoembryonic antigen. The presence of dense periglandular fibrosis distinguished the present case from a minimal deviation adenocarcinoma of endometrioid type.

  • endometrioid adenofibroma
  • immunohistochemistry
  • invasive nature
  • uterine cervix.

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