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. 1978 Oct 2;15(5):287-90.
doi: 10.1007/BF00342922.

Computed tomography for small acoustic neuromas

O Schubiger, A Valavanis, H Menges

Computed tomography for small acoustic neuromas

O Schubiger et al. Neuroradiology. .

Abstract

The minimal size of acoustic neuromas detectable by computered tomography (CT) is, according to the available literature, 1.5 to 2 cm. The new otoneurosurgical technic using the transtemporal and translabyrinthine approach necessitates an early diagnosis of neuromas protruding 1 cm or less into the cerebellopontine angle cistern. This seemed impossible with the available CT equipment. Eight proven acoustic neuromas 1 cm or less in diameter, detected with CT, are reported. Diagnostic criteria are elaborated. The study shows that small cerebellopontine angle tumors can be detected by use of CT machines of the newer generation which perform scanning with thin and overlapping slices.

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