Ralph M Trüeb1, Ngoc-Nhi Catharina Luu1, Maria Fernanda Reis Gavazzoni Dias2. 1. Center for Dermatology and Hair Diseases Professor Trüeb, Universidade Federal Fluminense, Centro de Ciências Médicas, Hospital Universitário Antonia Pedro, Rio de Janeiro, Brazil. 2. Department of Dermatology, Universidade Federal Fluminense, Centro de Ciências Médicas, Hospital Universitário Antonia Pedro, Rio de Janeiro, Brazil.
Abstract
Introduction: A fragment of hair penetrating the skin has been referred to as cutaneous pili migrans in the literature. The condition is regarded rare and the cause unknown. Case Presentation: A 55-year-old female experienced painful sensations of the sole. Dermoscopy revealed hair fragments penetrating the skin, and histopathology a hair shaft embedded in the stratum corneum. The hairs were mechanically extracted with immediate relief from the pain. Discussion and Conclusion: Hair splinters of the sole may be a cause of foot pain related to the skin. The hair splinter is yet another form of hair that has embedded itself in the skin. Patients may believe the hair is growing out of the feet, while the soles are among the specialized skin regions that are hairless. The origin of the hair is exogenous and related to an exposure to freshly cut human or animal hair. Cutaneous embedded hairs can be classified based on the clinical presentation, the location, and association with hair follicles into hair splinters, interdigital pilonidal sinus, migrating hair, or ingrown hair. The condition is an important cause of foot pain and should be considered on clinical examination of the skin of the soles.
Introduction: A fragment of hair penetrating the skin has been referred to as cutaneous pili migrans in the literature. The condition is regarded rare and the cause unknown. Case Presentation: A 55-year-old female experienced painful sensations of the sole. Dermoscopy revealed hair fragments penetrating the skin, and histopathology a hair shaft embedded in the stratum corneum. The hairs were mechanically extracted with immediate relief from the pain. Discussion and Conclusion: Hair splinters of the sole may be a cause of foot pain related to the skin. The hair splinter is yet another form of hair that has embedded itself in the skin. Patients may believe the hair is growing out of the feet, while the soles are among the specialized skin regions that are hairless. The origin of the hair is exogenous and related to an exposure to freshly cut human or animal hair. Cutaneous embedded hairs can be classified based on the clinical presentation, the location, and association with hair follicles into hair splinters, interdigital pilonidal sinus, migrating hair, or ingrown hair. The condition is an important cause of foot pain and should be considered on clinical examination of the skin of the soles.
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