By Gary M. White, MD
Creeping hair is hair buried in the skin.
A dark, linear, serpiginous line is seen within the skin. It may occur almost anywhere, e.g. scalp, feet. Asian hair has a higher tensile strength than other ethnicities which may explain why most cases are reported from Asian countries, e.g., Japan.
The hair may be manually extracted. Lidocaine injection followed by a nicking one area of the skin and using a needle to extract the hair is recommended.
Cutaneous pili migrans over the scalp of an infant. Indian J Paediatr Dermatol 2016;17:27-8
54 yo man with lesion foot. Hair under skin found and seemed to be from his dog. Brit J Dermatol 2014;17;116.
The article contains a nice picture of a 3-4 cm single linear, thin, and wavy black line was embedded within the superficial skin on the right chin. Ann Dermatol. 2015 Oct; 27(5): 635–636.
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