Abstract
Differences in the immunohistochemical expression of Cathepsin D, C-erbB-2 protein (p185), and growth fraction (MIB-1) in glandular and squamous epithelium in adenocarcinoma of endometrioid subtype were studied together with Cathepsin D in macrophages. The findings were correlated with conventional prognostic parameters. A search for human papilloma virus (HPV) (probes 6/11, 16/18, and 31/33/51) by in situ hybridization was also performed. Formalin-fixed and paraffin-embedded tissues from 61 adenocarcinomas with > 10% squamous epithelium were studied. MIB-1 was very low in squamous epithelium, no correlation was found between MIB-1 in squamous and glandular epithelium, and only the glandular epithelium correlated with depth of invasion and stage, indicating that glands are most important with regard to prognosis. Cathepsin D expression in macrophages was significantly increased in advanced stage and may be of prognostic value, but more studies on tissue sections are needed to evaluate the relationship between its expression in tumor cells and other cells. p185 showed no value as a prognosticator. Finally, our study found HPV infrequently in endometrial carcinomas.
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More From: International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists
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