Utility of hepatocyte nuclear factor-1β as a diagnostic marker in ovarian carcinomas with clear cells

Yu-Chien Kao, Ming Chieh Lin, Wei Chou Lin, Yung Ming Jeng, Tsui Lien Mao

Research output: Contribution to journalArticle

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Abstract

Aims: Overexpression of hepatocyte nuclear factor-1β (HNF-1β) has been found in ovarian clear cell carcinoma (OCCC) but not in other types of ovarian carcinoma. The aim of this study was to clarify whether the overexpression of HNF-1β is specific for OCCC, and does not occur in ovarian carcinoma with clear cell change. Methods and results: Immunohistochemistry was performed on 178 ovarian carcinomas with clear cells (80 OCCCs, 60 high-grade serous, 25 endometrioid, and 13 mixed endometrioid and clear cell), 22 ovarian high-grade serous carcinomas without clear cells, 41 renal cell carcinomas (RCCs) and 20 hepatocellular carcinomas (HCCs) with clear cytoplasm. Results were evaluated using an H-score (percentage×intensity). Most OCCCs were diffusely and strongly positive (mean H-score 15.1). High-grade serous carcinoma and endometrioid carcinoma with clear cells were usually negative or focally and weakly positive (mean H-scores 1.5 and 1.7, respectively). High-grade serous carcinoma without clear cells had a mean H-score of 0.77. The mean H-scores of the endometrioid and clear cell components in mixed endometrioid and clear cell carcinoma were 6.2 and 15.7, respectively. HNF-1β was expressed in 95.1% of RCCs and in 30% of HCCs. Conclusions: The diagnosis of ovarian carcinomas with clear cells can be made with greater accuracy by using the intensity and extent of immunoreactivity for HNF-1β.

Original languageEnglish
Pages (from-to)760-768
Number of pages9
JournalHistopathology
Volume61
Issue number5
DOIs
Publication statusPublished - Nov 1 2012

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Hepatocyte Nuclear Factor 1
Carcinoma
Renal Cell Carcinoma
Hepatocellular Carcinoma
Endometrioid Carcinoma
Cellular Structures
Cytoplasm

Keywords

  • Epithelial ovarian cancer
  • Hepatocyte nuclear factor-1β (HNF-1β)
  • Ovarian clear cell carcinoma

ASJC Scopus subject areas

  • Histology
  • Pathology and Forensic Medicine

Cite this

Utility of hepatocyte nuclear factor-1β as a diagnostic marker in ovarian carcinomas with clear cells. / Kao, Yu-Chien; Lin, Ming Chieh; Lin, Wei Chou; Jeng, Yung Ming; Mao, Tsui Lien.

In: Histopathology, Vol. 61, No. 5, 01.11.2012, p. 760-768.

Research output: Contribution to journalArticle

Kao, Yu-Chien ; Lin, Ming Chieh ; Lin, Wei Chou ; Jeng, Yung Ming ; Mao, Tsui Lien. / Utility of hepatocyte nuclear factor-1β as a diagnostic marker in ovarian carcinomas with clear cells. In: Histopathology. 2012 ; Vol. 61, No. 5. pp. 760-768.
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N2 - Aims: Overexpression of hepatocyte nuclear factor-1β (HNF-1β) has been found in ovarian clear cell carcinoma (OCCC) but not in other types of ovarian carcinoma. The aim of this study was to clarify whether the overexpression of HNF-1β is specific for OCCC, and does not occur in ovarian carcinoma with clear cell change. Methods and results: Immunohistochemistry was performed on 178 ovarian carcinomas with clear cells (80 OCCCs, 60 high-grade serous, 25 endometrioid, and 13 mixed endometrioid and clear cell), 22 ovarian high-grade serous carcinomas without clear cells, 41 renal cell carcinomas (RCCs) and 20 hepatocellular carcinomas (HCCs) with clear cytoplasm. Results were evaluated using an H-score (percentage×intensity). Most OCCCs were diffusely and strongly positive (mean H-score 15.1). High-grade serous carcinoma and endometrioid carcinoma with clear cells were usually negative or focally and weakly positive (mean H-scores 1.5 and 1.7, respectively). High-grade serous carcinoma without clear cells had a mean H-score of 0.77. The mean H-scores of the endometrioid and clear cell components in mixed endometrioid and clear cell carcinoma were 6.2 and 15.7, respectively. HNF-1β was expressed in 95.1% of RCCs and in 30% of HCCs. Conclusions: The diagnosis of ovarian carcinomas with clear cells can be made with greater accuracy by using the intensity and extent of immunoreactivity for HNF-1β.

AB - Aims: Overexpression of hepatocyte nuclear factor-1β (HNF-1β) has been found in ovarian clear cell carcinoma (OCCC) but not in other types of ovarian carcinoma. The aim of this study was to clarify whether the overexpression of HNF-1β is specific for OCCC, and does not occur in ovarian carcinoma with clear cell change. Methods and results: Immunohistochemistry was performed on 178 ovarian carcinomas with clear cells (80 OCCCs, 60 high-grade serous, 25 endometrioid, and 13 mixed endometrioid and clear cell), 22 ovarian high-grade serous carcinomas without clear cells, 41 renal cell carcinomas (RCCs) and 20 hepatocellular carcinomas (HCCs) with clear cytoplasm. Results were evaluated using an H-score (percentage×intensity). Most OCCCs were diffusely and strongly positive (mean H-score 15.1). High-grade serous carcinoma and endometrioid carcinoma with clear cells were usually negative or focally and weakly positive (mean H-scores 1.5 and 1.7, respectively). High-grade serous carcinoma without clear cells had a mean H-score of 0.77. The mean H-scores of the endometrioid and clear cell components in mixed endometrioid and clear cell carcinoma were 6.2 and 15.7, respectively. HNF-1β was expressed in 95.1% of RCCs and in 30% of HCCs. Conclusions: The diagnosis of ovarian carcinomas with clear cells can be made with greater accuracy by using the intensity and extent of immunoreactivity for HNF-1β.

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