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pp.780-787
Published Date 1957/10/20
DOI https://doi.org/10.11477/mf.1492201865

 Imakiire and associate rcport two, cases of primary melanoma and a case of osteoma that occurred in each instance in the external auditery canal, The melanoma was fonnd in the first case in a man, aged 23, and in the second, in a woman, aged 60, during the course of geueral ENT examination; no subjective complaints wore made by the patient in either case because of its presence. Both cases made unevedtful recovery after aurgical remsval of the growth. Histologically the growths consisted of nevus cells haboring typihal cancer nests in the corinm and the overall histological picture conformed to that ot precancerous state of melanotic growth.

 The third case is a woman, aged 25, who wds found to be affected with a hard growth in the left external auditory canal. The tumor was romoved surgically by rcfroauricular approach with the patient making an uneveneful recoyery. The growth proved to be an ostema that originated from the perioteum of the posterior wall of the external anditory canal.


Copyright © 1957, 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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