Related Experiment Video
Updated: Jun 8, 2026

Surgical Treatment of an Endolymphatic Sac Tumor
Published on: May 26, 2023
Angioleiomyoma of the internal auditory canal: clinical and radiographic features
Jon-Paul Pepper1, Paul McKeever, Stephen Gebarski
1Department of Otolaryngology-Head and Neck Surgery, University of Michigan, Ann Harbor, Michigan 48109, USA.
Objective:
Discussion of a rare case of angioleiomyoma of the internal auditory canal.
Patient:
Thirteen-year-old female patient with a 1-year history of progressive hearing loss.
Intervention:
Middle cranial fossa approach providing complete surgical extirpation.
Main Outcome Measure:
Surgical pathology.
Results:
Radiography and history suggestive of vestibular schwannoma; pathology revealed angioleiomyoma.
Conclusion:
Angioleiomyoma is a rare lesion of the internal auditory canal that has many similar clinical and radiographic features of a vestibular schwannoma. There are no previous reports of this tumor occurring within the internal auditory canal in this age group.
Related Concept Videos
Anatomy of the Ear
Mitral Stenosis II: Clinical features and Diagnostic Tests
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Mitral Regurgitation II: Clinical Features and Diagnostic Tests
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
The Auditory Ossicles
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...