AIDS-Related Anal Non-Hodgkin Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** A non-Hodgkin lymphoma arising from the anus and occurring in HIV-positive patients. Homosexual HIV-positive men have an increased risk of developing anal non-Hodgkin lymphoma in comparison to the general male population. The majority of the cases are large cell lymphomas of B-cell phenotype.

**Synonyms:** - AIDS-Related Anal Non-Hodgkin's Lymphoma - AIDS-Related Primary Anal Non-Hodgkin's Lymphoma