Classic microtia is combined with external ear canal atresia and middle ear malformation. In order to evaluate whether an operation to improve hearing ability and the use of computer-assisted surgery are indicated, preoperative high-resolution navigation CT is mandatory. We combined atresia surgery and tympanoplasty with auricular reconstruction in the case of an 8-year-old boy with bilateral microtia, aural atresia and malformation of the middle ear. After creating an auricle framework with rib cartilage and transplanting it under the skin of the mastoid plane, we shifted it forward in the second step, and the new auditory canal was drilled under computer-assisted navigation and facial nerve monitoring. In the same operation, tympanoplasty was accomplished, and a silastic cylinder, wrapped into pieces of rib cartilage, was inserted into the constructed canal and removed 2 months later. For lining the new auditory canal, we used the patient’s prepuce, harvested by elective circumcision.

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