Hypertrichosis cubiti is a rare hair anomaly characterized by symmetrical, congenital or early-onset, bilateral hypertrychosis localized on the externsor surfaces of the upper extremities (especially the elbows). Short stature, or other abnormalities, such as developmental delay, facial anomalies and intellectual disability, may or may not be associated. The disease is MONDO_0007693 (hypertrichosis cubiti-short stature syndrome). Also known as: MacDermot-Patton-Williams syndrome, hairy elbows, hairy elbows syndrome.