Nucleolar organizer regions (AgNORs) in intraepithelial neoplasia of the uterine cervix.
The authors have studied the AgNORs counts in intraepithelial lesions of the uterine cervix. The following values were obtained (mean +/- SD AgNORs/cell): normal specimens--2.11 +/- 0.98; mild dysplasia--2.83 +/- 1.12; moderate dysplasia--3.42 +/- 1.13; severe dysplasia--3.55 +/- 1.28; carcinoma in situ--4.63 +/- 1.34; glandular extensions of carcinoma in situ--4.64 +/- 0.98. The values in moderate and severe dysplasia were similar, an argument for grouping these categories in the high-grade lesions. AgNORs counts in carcinoma in situ were, however, higher than in severe dysplasia, suggesting a continuous evolution of the neoplastic process.
Crişan
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Department of Morphopathology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca.
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Răşinariu
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Basaraba
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D005260:Female; D006801:Humans; D009697:Nucleolus Organizer Region / Q000648:ultrastructure*; D016622:Silver Staining; D002578:Uterine Cervical Dysplasia / Q000648:ultrastructure*