Catalog
Carcinoma in situ of anal margin or perianal skin
Link to WHO Definition
Carcinoma in situ of anal margin or perianal skin – http://id.who.int/icd/entity/1015982132
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).