title: CASE RECORDS of the MASSACHUSETTS GENERAL HOSPITAL. Case 25-2016. A 33-Year-Old Man with Rectal Pain and Bleeding.
authors.affiliation: From the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Massachusetts General Hospital, and the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Harvard Medical School - both in Boston.
authors.forename: Jessica A
authors.initials: JA
authors.lastname: Zeidman
authors.affiliation: From the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Massachusetts General Hospital, and the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Harvard Medical School - both in Boston.
authors.forename: Paul C
authors.initials: PC
authors.lastname: Shellito
authors.affiliation: From the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Massachusetts General Hospital, and the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Harvard Medical School - both in Boston.
authors.forename: Benjamin T
authors.initials: BT
authors.lastname: Davis
authors.affiliation: From the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Massachusetts General Hospital, and the Departments of Medicine (J.A.Z., B.T.D.), Surgery (P.C.S.), and Pathology (L.R.Z.), Harvard Medical School - both in Boston.
authors.forename: Lawrence R
authors.initials: LR
authors.lastname: Zukerberg
mesh_terms: D000328:Adult; D001706:Biopsy; D012809:Colon, Sigmoid / Q000473:pathology*; D003248:Constipation / Q000209:etiology; D003424:Crohn Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005076:Exanthema / Q000209:etiology; D005401:Fissure in Ano / Q000150:complications; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006484:Hemorrhoids / Q000150:complications; D006801:Humans; D008297:Male; D011349:Proctitis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D011935:Reagins / Q000097:blood; D012007:Rectum; D013587:Syphilis / Q000150:complications / Q000175:diagnosis* / Q000473:pathology
chemical_list: D011935:Reagins