History: 7 year old Caucasian male presenting with a chief complaint of hair loss. The patient was born with normal lanugo hair that became increasingly brittle as the child aged.
Past Medical History: None
Family History: No history of hair abnormalities
Physical Exam: Diffusely thinned hair is noted across the scalp with hyperkeratotic follicular accentuation, most prominent on the occiput and nape of the neck (Fig. 1. The patient also had keratosis pilaris on the posterior upper arms bilaterally. No palmar-plantar keratoderma or dental abnormalities were noted. Eyelashes and eyebrows were intact and clinically normal.
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