title: Case records of the Massachusetts General Hospital. Case 2-2006. A 31-year-old, HIV-positive man with rectal pain.
authors.affiliation: Infectious Disease Unit, Massachusetts General Hospital, USA.
authors.forename: Benjamin T
authors.initials: BT
authors.lastname: Davis
authors.forename: Michael
authors.initials: M
authors.lastname: Thiim
authors.forename: Lawrence R
authors.initials: LR
authors.lastname: Zukerberg
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000150:complications / Q000382:microbiology / Q000473:pathology*; D000163:Acquired Immunodeficiency Syndrome / Q000150:complications*; D000328:Adult; D002692:Chlamydia trachomatis / Q000302:isolation & purification*; D003092:Colitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D008219:Lymphogranuloma Venereum / Q000150:complications / Q000175:diagnosis* / Q000382:microbiology; D008297:Male; D010146:Pain / Q000209:etiology; D011349:Proctitis / Q000209:etiology*; D012002:Rectal Diseases / Q000209:etiology; D012007:Rectum / Q000382:microbiology / Q000473:pathology*