[Combined supra and infratentorial presigmoideo approach for lesions of the petrous and clival regions].

Introduction: Petrous and petroclival lesions may be surgically treated with combinations of suprainfratentorial presigmoideo approach and microsurgical techniques.

Objective: To demonstrate the utility and to present our surgical experiences with this approach.

Patients And Methods: Thirteen patients with lesions of the clival, petrous region and of the cerebellopontine angle with extension toward the anterior portion of brainstem were taken to the operative room.