2E64.2 Carcinoma in situ of anal margin or perianal skin

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Carcinoma in situ of anal margin or perianal skin is most commonly squamous and related to oncogenic HPV strains, HIV infection or both. It may present as warty pigmented patches (Bowenoid papulosis).

postcoordination

synonyms

• Carcinoma in situ of anal margin or perianal skin
• Perianal intraepithelial neoplasia, high grade
• Bowenoid papulosis of perianal skin
• High grade squamous intraepithelial lesion of anal margin or perianal skin

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