Related Experiment Videos
Can hearing improve after acoustic tumor radiosurgery?
A Niranjan1, L D Lunsford, J C Flickinger
1Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA.
Neurosurgery Clinics of North America
|March 31, 1999
Summary
Hearing improvement after acoustic tumor radiosurgery is rare but possible. This study reviews cases of hearing improvement following stereotactic radiosurgery for acoustic tumors, suggesting potential mechanisms for this outcome.
Area of Science:
- Neurosurgery
- Otolaryngology
- Radiation Oncology
Background:
- Acoustic tumors (vestibular schwannomas) are typically managed with surgery or radiation.
- Surgical techniques have improved, minimizing risks and preserving function.
- Hearing preservation after surgery is uncommon, and hearing improvement is rare.
Purpose of the Study:
- To review the authors' experience with hearing improvement after stereotactic radiosurgery (SRS) for acoustic tumors.
- To explore potential reasons for hearing retention and improvement following SRS.
Main Methods:
- Retrospective review of 487 patients treated with SRS for acoustic tumors over a 10-year period.
- Analysis of audiometric data to identify cases with documented hearing improvement.
Main Results:
- Hearing improvement was observed in 21 out of 487 patients (approximately 4.3%) who underwent SRS.
- This finding is notable as hearing improvement after SRS for acoustic tumors has not been previously reported.
Conclusions:
- While rare, hearing improvement can occur after stereotactic radiosurgery for acoustic tumors.
- Further research is needed to elucidate the mechanisms behind hearing preservation and potential enhancement post-SRS.