Hypertrichosis cubiti, or hairy elbows, was first described by Beighton1 in 1970. In this original description, two siblings were noted to have long, dark, coarse hair involving the lower third of the upper arm and the upper third of the forearm bilaterally. Since that time, 10 other cases have been reported
Close-up view of the left arm demonstrating the extent and distribution of hypertrichosis on the patient's arms bilaterally. in the literature, and an association with short stature has been entertained, since eight of these 12 patients are greater than 1 SD below the normal height for their age. In addition, suggestions for the mode of inheritance of this unusual entity have been made based on the observation that two siblings in one family were afflicted (autosomal recessive), and a mother and daughter both had the condition in another family (autosomal dominant). We report another case of hypertrichosis cubiti
Miller ML, Yeager JK. Hairy Elbows. Arch Dermatol. 1995;131(7):858–859. doi:10.1001/archderm.1995.01690190114034
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