Objective To explore the diagnosis and surgical treatment of ileosigmoid fistulas (ISF) complicated by Crohn's disease (CD).Methods 13 CD patients with ISF were collected.Patients' clinical data,diagnostic methods,surgical procedures and outcomes were reviewed.Results Suspected or definite diagnosis was suggested by preoperative imaging in 12 patients.All 13 patients received surgery.Ileal lesions were all removed,while sigmiod fistula were repaired in 11 patients and partially resected in 2 patients.11 patients had a temporary ileostomy.All the patients recovered well,with 3 cases suffering from postoperative complications.Conclusions The diagnosis of ISF can be established preoperatively,and treatment should be individualized to patient' condition.
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