title: An unusual presentation of acute abdominal pain: perforation of retroperitoneal Ewing sarcoma.
authors.affiliation: Zonguldak Karaelmas University, School of Medicine, Kozlu, Zonguldak. nuraykad@gmail.com
authors.forename: Nuray
authors.initials: N
authors.lastname: Kadioğlu Voyvoda
authors.forename: Zuhal
authors.initials: Z
authors.lastname: Erdem
authors.forename: Oktay
authors.initials: O
authors.lastname: Erdem
authors.forename: Deniz
authors.initials: D
authors.lastname: Karaibrahimoğlu
authors.forename: Ozlem
authors.initials: O
authors.lastname: Tokgöz
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis / Q000209:etiology; D000208:Acute Disease; D000328:Adult; D001707:Biopsy, Needle; D017024:Chemotherapy, Adjuvant; D005500:Follow-Up Studies; D006801:Humans; D007150:Immunohistochemistry; D007416:Intestinal Perforation / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D007813:Laparotomy / Q000379:methods; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D035583:Rare Diseases; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D018570:Risk Assessment; D012512:Sarcoma, Ewing / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D012720:Severity of Illness Index; D014057:Tomography, X-Ray Computed / Q000379:methods