Congenital hypertrichosis lanuginosa is a rare familial disorder, characterized by generalized hairiness. Excessive hair appeared in a boy during early infancy. By the age of 4 years, the face, trunk, and limbs were covered with long hair, and only the mucous membranes and the palms and soles were spared. In distinction to previously reported cases, his teeth were normal.
Beighton P. Congenital Hypertrichosis Lanuginosa. Arch Dermatol. 1970;101(6):669–672. doi:10.1001/archderm.1970.04000060041010
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