title: A case of acute abdomen for the internist.
authors.forename: Sergio
authors.initials: S
authors.lastname: Neri
authors.forename: Davide
authors.initials: D
authors.lastname: Pulvirenti
authors.forename: Tsami
authors.initials: T
authors.lastname: Aikaterini
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000328:Adult; D046349:Coproporphyria, Hereditary / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007388:Internal Medicine; D008297:Male