Reports from various theaters of operation indicate that external otitis is a problem of considerable importance as a cause of lost man hours of work in certain tropical and subtropical regions. There have been repeated requests for a study of this disease with a view toward devising a simple and expedient treatment which can be used under field conditions.
It is generally accepted that external otitis may be caused by bacteria, by fungi or by a mixture of bacteria and fungi. Of the varieties of fungi which have been isolated from the external ear,1 species of Aspergillus appear to be the most frequently encountered in cases of external otitis.2 Eleven species of the genus are listed by Dodge3 as having been isolated from the aural canal. Penicillium and the closely related Scopulariopsis occur occasionally and are of relatively little importance.4 The genus Mucor is represented by three species from the
SENTURIA BH, WOLF FT. TREATMENT OF EXTERNAL OTITIS: II. ACTION OF SULFONAMIDE COMPOUNDS ON FUNGI ISOLATED FROM CASES OF OTOMYCOSIS. Arch Otolaryngol. 1945;41(1):56–63. doi:10.1001/archotol.1945.00680030079005
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