Acoustic neuroma secondary prevention

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]

Overview

Secondary prevention strategies following acoustic neuroma treatment include follow-up MRI scans.

Secondary Prevention

The approach for follow-up studies after treatment and diagnosis is uncertain and there is not enough data to support specific recommendations. Due to the potentially slow growth of acoustic neuromas, prolonged follow-up is necessary.

  • Yearly scans for 10 years, and subsequent scans every three to five years if there has been no growth of acoustic neuroma is recommended for patients being managed with observation. Audiometry should also be performed on a regular basis.
  • A follow-up MRI is performed within 6-12 months after surgical excision to document the completeness of tumor removal. Follow-up MRI should be obtained at 5 years and at 10 years, assuming complete tumor removal. If the findings on the 10-year follow-up MRI scan are normal, further imaging should be performed only if clinical circumstances require it.
  • Yearly scans for 10 years, and then every two years if no growth of acoustic neuroma is recommended for patients treated with radiotherapy.

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