ArticleHistology and histopathology2025
GATA4 is diagnostically useful for distinguishing primary ovarian mucinous carcinomas from metastatic colorectal adenocarcinomas to the ovary.
Article in Histology and histopathology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Expression of CLDN18.2 in Invasive Mucinous Adenocarcinomas of the Lung.Cancer diagnosis & prognosisArticle
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5 authors.
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Abstract
aimDetermining the primary origin of an ovarian mucin-producing carcinoma can be challenging at times because some metastases of primary colorectal origin may exhibit gross, microscopic, and/or immunohistochemical features that overlap with those of primary ovarian mucinous carcinomas (OMCs). We hypothesized that GATA binding protein 4 (GATA4) might be a novel, useful marker for differentiating primary OMCs from metastatic colorectal adenocarcinomas to the ovary. METHODOLOGY: For comparison with the usefulness of other markers (special AT-rich sequence-binding protein 2 (SATB2) and caudal type homeobox 2 (CDX2)), we elucidated the expression profiles of GATA4 in OMCs, colorectal non-mucinous adenocarcinomas (CNMACs), and colorectal mucinous adenocarcinomas (CMACs) using immunohistochemistry.
resultsWe confirmed GATA4 expression (H-score ≥50 points) in 93%, SATB2 in 0%, and CDX2 in 64% of 14 OMCs. GATA4 was expressed in 13%, SATB2 in 90%, and CDX2 in 93% of 30 CNMACs. GATA4 was expressed in 20%, SATB2 in 73%, and CDX2 in 100% of 30 CMACs.
conclusionThe expression of GATA4 in a mucus-producing ovarian tumor strongly supports it being a primary OMC rather than a metastatic colorectal carcinoma: GATA4 expression indicates OMC and SATB2 expression indicates colorectal adenocarcinoma. However, three cases of colorectal adenocarcinoma were GATA4-positive and SATB2-negative, so the GATA4/SATB2 marker combination is not absolute for determining the primary site. Further research for more markers is necessary to find the ideal combination.
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