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Vitamin A for Otorhinolaryngologic Diseases Hideo Edamatsu 1 1Department of Otolaryngology, Saitama Cancer Center pp.941-947
Published Date 1982/11/20
DOI https://doi.org/10.11477/mf.1492209528
  • Abstract
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 One of the functions of Vitamin A is to control cellular differentiation in many epithelial tissues. Numerous studies have been done on the application of this function for the treatment of the epithelial lesions, especially cancer. Vit. A has, however, a limited usefulness in practice, because of hypervitaminosis A. The investigations have been made to find out some retinoids, analogues of Vit. A, which are more sensitive and less toxic to the epithelium than Vit. A. Etretinate is one of the retinoids. The authors used it for the treatment of widespread papilloma of the nose. The papilloma was remarkably reduced in 2 weeks and disappeared macroscopically in 4 weeks. The curtaive process was very impressive. In addition to papilloma, Etretinate was used with radiation and 5-FU for 16 patients with head and neck cancers (modified FAR treatment), and 2 of 16 patients were treated only by Etretinate. These 2 patients had no recurrence of the tumors for more than two years.

 The mechanism of Vit. A and retinoids has not completely been clarified. The usefulness of Etretinate for the diseases of the ear, nose and throat is discussed.


Copyright © 1982, 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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