中耳炎性顔面神経麻痺の臨床--麻痺程度の部位差をめぐって

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In 19 cases of facial paralysis due to otitis media, whose lesions were confirmed at operations performed during the period from 1975 to 1979, analysis was done regarding the general clinical picture of the patients and the differences in the degree of paralysis in the ocular and oral regions. The following are our conclusions:1) As compared with the 100 cases of Bell's palsy which had treated during the same period (1975 to 1979), the cases of facial paralysis due to otitis media showed a larger proportion of cases in which the degree of paralysis was greater in the oral than in the ocular region.2) In the facial paralysis due to cholesteatoma, the lesions extended to the facial recess in all the cases, and in half of those the degree of paralysis was more pronounced in the oral rather than in the ocular region. This suggests the existence of a spatial orientation of the facial nerves in the temporal bone.3) The general clinical picture of the patients and the difference in the degree of paralysis in the ocular and oral regions suggest that the cases with cholesteatoma differed from those with granulation only with respect to the mechanism of paralysis. Possible causes of paralysis due to cholesteatoma are static pressure, recrudescent in-flammation and neurotoxic substances, while a rapid and wide-spread development of inflammation in the temporal bone is thought to play an important role in causing paralysis with granulation.
耳鼻咽喉科臨床学会の論文

中耳炎性顔面神経麻痺の臨床--麻痺程度の部位差をめぐって

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