Hypertelorism

Uncommon card · No. 176931

Hypertelorism is an abnormally increased distance between two organs or bodily parts, usually referring to an increased distance between the orbits (eyes), or orbital hypertelorism. In this condition, the distance between the inner eye corners, as well as the distance between the pupils, is greater than normal. Hypertelorism should not be confused with telecanthus, in which the distance between the inner eye corners is increased, but the distances between the outer eye corners and the pupils remain unchanged. Hypertelorism is a symptom in a variety of syndromes, including Edwards syndrome (trisomy 18), 1q21.1 duplication syndrome, basal cell nevus syndrome, DiGeorge syndrome and Loeys–Dietz syndrome. Hypertelorism can also be seen in Apert syndrome, autism spectrum disorder, craniofrontonasal dysplasia, Trisomy X, frontonasal dysplasia, Noonan syndrome, neurofibromatosis, LEOPARD syndrome, Pfeiffer syndrome, Jacobsen syndrome, Crouzon syndrome, Wolf–Hirschhorn syndrome, Andersen–Tawil syndrome...

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