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Medical condition From Wikipedia, the free encyclopedia
Marshall-Smith Syndrome, discovered in 1971 (Marshall, Graham, Scott, Boner, & Smith), is characterized by unusual accelerated skeletal maturation (usually starting before birth) and symptoms like conspicuous physical characteristics, respiratory difficulties, and intellectual disability. Cases described in the literature show a clinical variability regarding related symptoms. For instance, respiratory difficulties are ranging from absent to severe difficulties.[1]
Marshall-Smith syndrome | |
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Other names | Greig's syndrome, Polysyndactyly cephalopolysyndactyly syndrome, Accelerated skeletal maturation, Marshall-Smith type, Marshall–Smith–Weaver syndrome |
The syndrome is a rare clinical disorder.[2]
The first gene - NFIX - that could cause the syndrome has been identified.[5] This gene is located on the short arm of chromosome 19 (19p13.1).[citation needed]
Respiratory complications are often cause of death in early infancy.[2]
Marshall–Smith syndrome is not to be confused with:
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