PMID: 16637511Apr 28, 2006Paper

Endometrial and endocervical secretion: the search for histochemical differentiation

Analytical and Quantitative Cytology and Histology
Lauren NieuwenhuizenNor Hayati Othman

Abstract

To determine the ideal histochemical stain to differentiate between non-neoplastic and neoplastic endocervix and endometrium. A total of 90 cases representing nonneoplastic cervix, non-neoplastic endometrium, endocervical adenocarcinoma and endometrial adenocarcinoma were stained with toluidine blue (TB); methylene blue (MB); mucicarmine (MUC); periodic acid-Schiff before and after diastase digestion (PAS, PAS-D); Alcian blue, pH 2.5 (AB); and periodic acid-Schiff after Alcian blue, pH 2.5 (PAB). Cases were blinded and randomly divided between two pathologists for evaluation of the staining and the staining distribution of the glandular epithelium by means of a 36-color scheme. The majority of non-neoplastic endocervix samples stained blue with MB (57%), fuchsia with MUC (70%), magenta with PAS (77%) and PAS-D (73%) and dark turquoise with AB (70%). The majority of non-neoplastic endometrium samples stained slate blue with TB (60%) and pink with PAS-D (53.3%). There is statistical difference (p < 0.05) in the color of the epithelium and secretions between the non-neoplastic cervix and endometrium. The malignant glands of endocervical origin could be differentiated significantly (p = 0.043) from non-neoplastic endocervical epith...Continue Reading

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