Figure 1.

Figure 1.

Two males of Indian origin with classic isolated sulfite oxidase deficiency

a. Male child age 14 months (head circumference 43 cm; <5th centile for age); note long philtrum and thick lips.

b. Male child age eight years with severe microcephaly (head circumference 45 cm; <5th centile for age); note puffy cheeks, narrow bifrontal diameter, elongated palpebral fissures, and long philtrum.

From: Isolated Sulfite Oxidase Deficiency

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