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A very rare condition with characteristics of craniosynostosis and clavicular hypoplasia, delayed closure of the fontanelle, anal anomalies, genitourinary malformations and skin eruptions. It has been described in seven patients from four unrelated families. Cranial abnormalities include a coronal synostosis with wide-open anterior and posterior fontanelles and large parietal foramina. In some patients the skin eruption has been classified as porokeratosis. Sensorineural hearing loss and mild to severe developmental delay are common. The condition is transmitted as an autosomal recessive trait.
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