The American journal of otology
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Comparative Study
Prevention of headache after retrosigmoid removal of acoustic tumors.
To demonstrate a causal relationship between bone dust and the development of headache after retrosigmoid removal of acoustic neuromas. ⋯ Free circulation of bone dust into the posterior fossa during intradural drilling of the internal auditory canal may be the most important factor in the development of headache after this surgical procedure.