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SACCULOTOMY. CLINICOPATHOLOGICAL OBSERVATIONS Masao Nagaba 1 pp.425-431
Published Date 1972/6/20
DOI https://doi.org/10.11477/mf.1492207790
  • Abstract
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 The results of 10 cases of Ménière's disease in whom sacculotomy was performed for relief of symptoms are reported. For an experimental study, the saccular membrane of the normal squirrel monkeys is ruptured and the results are observed.

 Clinically, when sacculotomy is performed the symptoms such as vertigo and the sensation of fulness of the ear are abated but it failed to manifest improvement of hearing. Eight out of 10 cases of sacculotomized patients reported re-lief of vertigo and the sensation of the fulness of the ear. But, 5 out of the 10 of these patients complained of hearing detriorations.

 The pathological findings of sacculotomy in the experimental animals were as follows:

 1) No obvious pathological lesion is found in the sensory epithelium of the inner ear,

 2) An early healing of the rupture in the saccular membrane is evident,

 3) A pinkish clored precipitate is seen the endolymphatic sac,

 4) Perilymphatitis is evidenced in the scala vestibuli, and,

 5) Changes are seen in the tension of the Reissner's membrane.

 These otopathological findings in the experimental sacculotomy which apparently involve various parts of the cochlea seem to be one of the reason for occurrence of hearing deterioration in the human ear when sacculotomy is performed for the treatment of Meniere's disease.


Copyright © 1972, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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