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Hairy elbows - A case study

OPEN Australian family physician | 13 Nov 2013

PF Serrano, R Ruiz-Villaverde and JL Serrano
Abstract
Case study A boy aged 6 years was referred to our clinic for evaluation of the presence of fair, thin hair on both of his elbows. This condition had first been observed when he was 2 years of age and the hair had subsequently increased in length and thickness (Figure 1). He had a history of asthma and was being treated by a paediatrician. His family medical record was otherwise unremarkable. This unusual hairiness was symmetrically distributed on the extensor surfaces of both proximal forearms and distal arms. The underlying skin showed no abnormalities. No hypertrichosis was found elsewhere and examination of teeth, skeleton and fingernails was also normal. No other morphological changes were noted. In addition, his height was appropriate for his age. No developmental, mental or physical impairment was observed. The blood cell count and general biochemistry, as well as thyroid and sexual hormonal profiles were all normal. Radiological examination, which was performed on the parents' request, was normal. The boy was diagnosed with hypertrichosis cubiti (HC), and shaving of the areas was recommended.
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Concepts
Scientific method, Long hair, Hair follicle, Height, Hair, Facial hair, Keratin, Protein
MeSH headings
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