Zunaira saleh28 days ago

Cervical intraepithelial neoplasia (CIN) and squamous intraepithelial lesions (SIL).

A, Schematic representation of histologic changes (lower part of figure). The grades of CIN-1 or mild dysplasia (L-SIL), CIN-2 (moderate dysplasia) and CIN-3 (severe dysplasia and carcinoma in situ) (together grouped as H-SIL) show progressive increase in the number of abnormal cells parallel to the increasing severity of grades. B, Exfoliative cytologic studies in various grades of cellular changes (upper part of figure)