Since a study of the literature for the past ten years indicates that cyst of the mastoid is rarely encountered, it is felt that the following case is of interest.
REPORT OF A CASE
A white man aged 27 was admitted to the Henry Ford Hospital on Feb. 24, 1942. He stated that he had had a discharge from the left ear for several months and troublesome dizziness for several days. There had been no pain. He had no previous history of aural disease.Examination of the left ear revealed that the posterior wall of the canal bulged forward to such an extent that the membrana tympani could not be seen. A small amount of thin serous discharge was present.Audiograms showed normal hearing in the right ear and a loss of between 20 and 30 decibels in the conversational range in the left ear. Bone conduction was practically normal.
WEAVER DF. UNUSUAL CYST OF THE MASTOID. Arch Otolaryngol. 1943;37(6):854–855. doi:10.1001/archotol.1943.00670030869014
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