Fig. 1From: A boy with developmental delay and mosaic supernumerary inv dup(5)(p15.33p15.1) leading to distal 5p tetrasomy – case report and review of the literatureThe patient at the age of 3 years and 5 months (a, b) and 5 years and 1 month (c, d). Apparent features include low set ears, hypotelorism, downslanted palpebral fissures, epicanthus, depressed nasal bridge, low hanging columella, long philtrum, and thin upper lip vermilion. While short chin is present only at younger age, frontal bossing is more remarkable at older ageBack to article page