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Abstract: Objective: Common cloaca is a complex anorectal and genitourinary malformation in which the rectum, vagina and urinary tract are fused to form a single channel. Surgical treatment is complicated especially when the channel is long. Our aim was to emphasize the importance of joint mobilization of the urogenital sinus after separation from the rectum. This maneuver avoids separation of the urinary tract from the genital tract, and reduces operating time by more than 60%. The functional and cosmetic results are also excellent. Patients and methods: We retrospectively reviewed all consecutive cases of persistent cloaca managed by total urogenital mobilization via a posterior sagittal approach during 2005–2009. There were 25 patients, with a median age of 18 months (10 months–3 years). Two patients with a long common channel required additional maneuvers after mobilization to complete the reconstruction. Each patient had a primary covering colostomy. After distal loop colograms, genitograms, renal ultrasound and genitoscopy, patients were planned for definitive surgery at 1–3 years of age. Conclusion: Total urogenital sinus mobilization in cases of common cloaca represents a surgical advance, and is a promising procedure with reasonably good results for this complex anomaly. [Copyright &y& Elsevier]