The mother of a 7-year-old boy asked about a patch of unruly hair on the occipital area of her son’s head. Until about 9 months ago he had always had a very short haircut, but now that he wanted to grow his hair longer, they noticed that this area always seemed very kinky, a little bit lighter in color, more fragile, and easily tangled. At first his mother thought it was because he didn’t comb it before bedtime, but no amount of care made a difference. No one else in the family had very curly hair or a similar patch of hair, and he was otherwise healthy.
Is it uncombable hair syndrome, congenital pili torti, woolly hair nevus, or trichorrhexis nodosa?
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