We observed a young man having a single, rapidly growing, long terminal hair over the right upper eyelash. Local pathologic findings were absent.
Report of a Case.
A 23-year-old man rushed one morning to our outpatient clinic, concerned about an abnormally growing long white hair with a black terminal end over the right upper eyelash. It took only 5 months to become 7.4 cm long, growing at the rate of 0.04 cm/d (Figure). The shape and texture of the hair was normal. The eyelids, eyelashes, and eyebrows were normal. Findings from the ophthalmologic examination were normal. No other abnormal finding was found on clinical examination. Routine as well as other investigations to rule out any systemic pathologic findings, such as nevi, were normal. The hair is still growing.
Concentric or localized hypertrichosis has been reported in the literature.1-4 There is no report of abnormal color and growth of
Bumb RA, Makkar RK, Sulemani AA. Acquired Hypertrichosis Singularis. Arch Dermatol. 1995;131(5):617. doi:10.1001/archderm.1995.01690170121025
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