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A rare genetic progeroid syndrome disorder with characteristics of a prematurely aged appearance (including lipoatrophy, thin, translucent skin, sparse, thin hair, and skeletal muscle atrophy), delayed tooth eruption, keloid-like lesions on pressure regions and skeletal abnormalities including marked acroosteolysis, brachydactyly with small hands and feet, kyphoscoliosis, osteopenia and progressive joint contractures in the fingers and toes. Craniofacial features include a thin calvarium, delayed closure of the anterior fontanel, flat occiput, shallow orbits, malar hypoplasia and narrow nose. There is evidence the disease is caused by heterozygous mutation in the PDGFRB gene on chromosome 5q32.
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