Fig. 1. A young woman with clinical features typical of Crouzon syndrome.

a. Hypertelorism and proptosis (white arrows) and unusual "beaked" nose (black arrow).

b. Profile view; note midface hypoplasia and marked proptosis (upper white arrow). Other features shown include underdevelopment of the upper jaw (lower white arrow) and lower jaw prognathism (black arrow).

c. Intraoral image showing a high, arched palate (black arrow) and significant dental crowding.

d. Hypoplasia of the upper jaw (white arrow) and malocclusion (black arrow).

Source: Mohan RS et al. (2012) Crouzon Syndrome: Clinico-Radiological Illustration of a Case J Clin Imaging Sci 2:70.

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