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Journal of Korean Neurosurgical Society > Volume 26(11); 1997 > Article
Journal of Korean Neurosurgical Society 1997;26(11): 1562-1567.
Partial Posterior Canal Labyrinthectomy for Pontine Cavernous Angioma.
Hyong Geun Lee, Han Kyu Kim, Gang Dae Lee, Choong Sun Yoo, Jae Gon Moon, Byung Chan Jeon, Yong Soon Hwang, Hwa Dong Lee
1Department of Neurosurgery, Kosin University Medical College, Pusan, Korea.
2Department of Otolaryngology, Kosin University Medical College, Pusan, Korea.
ABSTRACT
The transpetrosal approach to the anterior portion of a brain stem lesion with intact hearing is often limited by portions of the labyrinth. The technique of partial labyrinthectomy, by which the posterior and superior semicircular canals, maximizes surgical exposure while preserving hearing. We report the case of a patient who underwent a modified partial labyrinthectomy involving resection of the posterior semicircular canal only in the area of the labyrinth. Technical modification of the partial labyrinthectomy approach simplifies tumor removal while preserving hearing.
Key Words: Transpetrosal approach; Hearing preservation; Partial labyrinthectomy; Posterior semicircular canal
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