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February 1969

Diagnosis of Acoustic Neuromas: Comments

Author Affiliations

From National Hospital for Nervous and Mental Diseases, Queen's Sq, London.

Arch Otolaryngol. 1969;89(2):299-301. doi:10.1001/archotol.1969.00770020301013

WHAT I am going to say about cerebellopontine angle tumors is the result of a combined experience of Dr. Hallpike, Dr. Dix, and myself at the National Hospital in Queen's Square during the past 30 years.

The number of suspected cerebellopontine angle tumors seen amount to 548. Of those, 357 were surgically confirmed. You may wonder why more were not confirmed, but the truth of the matter is that either patients go elsewhere, or refuse operation, or you lose sight of them one way or the other.

Of the cerebellopontine angle tumors which were confirmed by biopsy either before or after death, we found the following figures. These are almost exactly the same as George Nager found. About 70% of the cerebellopontine angle tumors are acoustic neurofibromata. The others of any note include meningiomata, gliomata (I think I had two more cholesteatoma than he did), arachnoid cysts, which covers a

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