Myotonic dystrophy

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Myotonic dystrophy

Myotonic dystrophy is an inherited disorder of the muscles and other body systems. It is the most common form of muscular dystrophy that begins in adulthood.

It is characterised by progressive muscle wasting and weakness, particularly in the lower legs, hands, neck, and face. There are two types of myotonic dystrophy both of which are inherited in an autosomal dominant pattern. As the altered copy of the gene is passed from one generation to the next, the disorder may begin earlier in life and signs and symptoms may become more severe.

Definition from Genetics Home Reference, US National Library of Medicine: Myotonic dystrophy

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