Microphthalmia with linear skin defects syndrome is an X-linked dominant disorder characterized by microphthalmia and other ocular anomalies as well as linear, jagged skin defects typically involving the scalp, face, neck, and upper trunk. Other associated characteristics include short stature, developmental delay, congenital heart defects, diaphragmatic hernia, agenesis of the corpus callosum, anencephaly, hydrocephalus, and seizures. Microphthalmia with linear skin defects syndrome is now known to be associated with a deletion of the X chromosome at Xp22. This is an area that has been found to include the HCCS gene, which encodes a holocytochrome c-type synthase believed to be critical in the regulation of apoptosis. We present a patient with classic clinical and genetic findings of MLS syndrome and discuss the primary characteristics and management of this disorder.

necessarily mean there is only one candidate gene. We do not know whether SSH1, ARPC3, and SART3 are involved in the same pathway, but some papers suggest that SSH1 and ARPC3 may be involved in the actin cytoskeleton pathway (