RESUMEN
Objective:To analyze the etiology and clinical symptoms and to investigate the therapeutic strategies of cerebrospinal fluid otorrhea. Method:A retrospective analysis of 37 cases of patients with cerebrospinal fluid otorrhea.The clinical symptoms, auxiliary examination, intraoperative findings, surgical methods and postoperative follow-up were analyzed. Result:In 37 cases, 35 patients underwent the plugging surgery once and cured, 1 patient with inner ear malformation underwent another operation and cured, 1 patient didn't have the operation. No cerebrospinal fluid leakage or meningitis recurrence was reported by the followed up from 1 months to 7 years after operation. Conclusion:Surgical repair is an effective method to treat the cerebrospinal fluid otorrhea. It is significant to take appropriate surgical approach to expose and to find the leak, according to the etiological factor and imaging examination.