title: Paroxysmal nocturnal haemoglobinuria mimicking Crohn's disease.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D003424:Crohn Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006457:Hemoglobinuria, Paroxysmal / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D019690:Technetium Tc 99m Exametazime