title: Common variable immunodeficiency masquerading as Crohn's ileocolitis.
authors.forename: Brian P
authors.initials: BP
authors.lastname: Bosworth
authors.forename: Abraham
authors.initials: A
authors.lastname: Sanders
authors.forename: Charles
authors.initials: C
authors.lastname: Maltz
mesh_terms: D000368:Aged; D001707:Biopsy, Needle; D003092:Colitis / Q000175:diagnosis*; D003113:Colonoscopy / Q000379:methods; D017074:Common Variable Immunodeficiency / Q000175:diagnosis*; D003424:Crohn Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007079:Ileitis / Q000175:diagnosis*; D007150:Immunohistochemistry; D007413:Intestinal Mucosa / Q000473:pathology; D018570:Risk Assessment; D012720:Severity of Illness Index