Calcified acoustic neurinoma

Author:

Thomsen Jens,Klinken Leif,Tos Mirko

Abstract

SummaryAn unusual case history of a patient with an acoustic neurinoma is reported. The patient had a two-year history of unilateral sensori-neural hearing impairment, normal radiological appearance of the internal acoustic meatus at tomography and on CT a grossly calcified tumour in the cerebello-pontine angle, indicating pathology other than an neurinoma. Vertebral angiography was normal, and at surgery a grossly calcified tumour was found, while microscopy revealed a typical neurinoma pattern. The tumour had to be removed in two stages, both via the translabyrinthine approach, with a satisfactory post-operative condition, including near-normal facial function. It is concluded that dense calcifications in tumours in the cerebello-pontine angle do not necessarily exclude a neurinoma, and vertebral angiography is therefore not indicated routinely. However, such findings do predict difficulties at surgery.

Publisher

Cambridge University Press (CUP)

Subject

Otorhinolaryngology,General Medicine

Reference5 articles.

1. Calcification in intracranial neoplasms;Martin;American Journal of Pathology,1952

2. Intradural spinal ossifying schwannoma

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