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July 1978

Hearing Aid Dermatitis

Author Affiliations


From the Dermatology Service, Department of Medicine, Letterman Army Medical Center, Presidio of San Francisco.

Arch Dermatol. 1978;114(7):1050-1051. doi:10.1001/archderm.1978.01640190038013

• Allergic eczematous contact dermatitis developed in the external auditory canals and external ears of a woman who wore bilateral "in-the-ear" hearing aids. Patch tests demonstrated that methyl methacrylate monomer was the offending chemical. Heat curing the resin increased polymerization and reduced the amount of residual acrylic monomer, thus alleviating the problem.

(Arch Dermatol 114:1050-1051, 1978)