耳性脳膿瘍の2症例

概要

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A case of otogenic cerebellar abscess and a case of otogenic temporal lobe abscess are reported. Neither of these patients complained of meningeal symptoms other than headache. Therefore, the brain abscess was not suspected before performing the computed tomographic examination (CT). The enhanced CT scan demonstrated the brain abscess well in both cases as a low density area surrounded with a circular ring of increased density. In the patient with temporal lobe abscess, the primary source of the abscess in the temporal bone, cholesteatoma, was removed but the abscess was not surgically treated. In the patient with the cerebellar abscess, after removal of cholesteatoma the abscess was drained through the operative field. CT gave quite proper information as to the surgical approach to the abscess. Up to the present, no residual disabilities have been complained of by either of the two patients.