Evaluation of the internal auditory canal using pluridirectional tomography with metrizamide.

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Abstract
The intracanalicular portion of the [human] internal auditory canal was evaluated with small amounts of metrizamide injected via C[canal]1-2. The injection was made with the patient in the lateral decubitus position, and complex-motion tomograms were taken in the frontal projection. Excellent definition of the neural elements was achieved, with negligible morbidity. The method is described along with normal and abnormal findings.