title: Education and imaging. Gastrointestinal: retroperitoneal abscess caused by appendicitis.
authors.affiliation: Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
authors.forename: C-H
authors.initials: CH
authors.lastname: Lin
authors.forename: S-J
authors.initials: SJ
authors.lastname: Chou
authors.forename: H-S
authors.initials: HS
authors.lastname: Wu
authors.forename: J-C
authors.initials: JC
authors.lastname: Yu
authors.forename: C-H
authors.initials: CH
authors.lastname: Chuang
authors.forename: M-L
authors.initials: ML
authors.lastname: Shih
mesh_terms: D018784:Abdominal Abscess / Q000209:etiology*; D000368:Aged; D001064:Appendicitis / Q000150:complications*; D006801:Humans; D008297:Male; D012187:Retroperitoneal Space