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SUPERNUMERARY MUSCLE OF MIDDLE EAR

1952; American Medical Association; Volume: 55; Issue: 2 Linguagem: Inglês

10.1001/archotol.1952.00710010215011

1538-361X

J. G. DRUSS,

Ear Surgery and Otitis Media

SUPERNUMERARY examination of histologic sections of the temporal bone. A thorough review of our collection of over 350 temporal bones cut serially disclosed the presence of such a muscle in only one instance. It was felt, therefore, that a report of this case was worth while. A brief review of the literature revealed that Schwabach 1 in 1907 was the first to report a case in which an anomalous muscle of the middle ear was found. The patient was a deaf-mute of 44 who died of carcinoma of the ventricle. The small abnormal muscle, observed microscopically, was situated within the Fallopian canal near the knee of the facial nerve and was in no way connected with the tensor tympani or the stapedius muscle. Schwabach attempted to establish a causal relationship between this muscle and the deaf-mutism in his case. In 1930 Brock 2 reviewed a microscopic series of 277 temporal