Anus and perianal area
Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 16 April 2013, last major update April 2005
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● 3% of GI lymphomas arise in rectum or anus in general population vs. 26% in AIDS patients
(Am J Surg Pathol 1997;21:997)
● AIDS lymphomas: usually high grade, EBV+
● Non-AIDS lymphomas: EBV-, less often high grade
● High incidence of AIDS lymphomas may be due to prior local trauma or chronic infections
End of Anus and perianal area > Other malignancies > Lymphoma
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