Comparison of normal, low grade and high grade lesions by cervical cytology findings and histology from colposcopically directed biopsies

(A) Normal, low-grade, and high-grade cervical cytology.
(B) Cervical intraepithelial neoplasia I, II, III.

(A) Reproduced with permission from Christopher Crum, MD. Copyright © Christopher Crum, MD.
(B) Reproduced with permission from: Apgar BS, Brotzman GL, Spitzer M (Eds). Colposcopy Principles and Practice, W.B. Saunders Company, Philadelphia 2002. Copyright © 2002 Elsevier.

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