An area of nonlamellar new bone formation was observed in the anterior epitympanic region of 27 randomly chosen human temporal bones. The donors ranged in age from 9 to 80 years and had no evidence of ear disease or systemic skeletal or metabolic abnormalities.
The frequency of this finding suggests that it is a normal feature of the human anterior attic recess.
Hawke M, Farkashidy J, Jahn AF. Nonlamellar New Bone Formation in the Anterior Attic Recess. Arch Otolaryngol. 1975;101(2):117–119. doi:10.1001/archotol.1975.00780310039011
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