We can't find anything on it and he don't remember where he found it. We don't want to bring it up to my sister but we are concerned. The term described the appearance of muscle sections stained with appropriate histochemical agents. The disorder begins in early life and is associated diffuse muscular weakness which is mild to moderate, poor muscle tone, and poor muscle bulk. Progression is very gradual, and the disease is usually not seriously disabling till late.
Genetic testing is available.
The following is a site hosted by Washington Univ, St. Louis, that has excellent information on the subject. All rights reserved.