Keloid formation is a rare but unpleasant complication of wound healing. Finnerud and Webster1 state that loss of the epidermis is not followed by scarring unless the corium is also involved. Keloidal or hypertrophic scarring is presumed to be an overexpression of the natural healing process under the influence of vague and ill-comprehended factors.
The following is a case of keloid formation after dermal sensitivity testing in an allergic subject. No description of a similar case has been found.
Report of Case
A white girl, born on June 16, 1944, suffered many allergic manifestations, including coryza, urticaria, persistent cough, conjunctivitis, and wheezing. At 10 years of age scratch tests were performed on her anterior chest using 28 allergens (dried powder extracts were used with 0.1% NaOH as the diluent) and the Hill scarifier. These tests revealed sensitivity to several grasses and house dust by wheals and areas of erythema
TOWNSEND EH. Keloids from Dermal Testing in an Allergic Patient. Am J Dis Child. 1961;102(1):101–105. doi:10.1001/archpedi.1961.02080010103016
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