A progressive neuro-logical disorder characterized by muscle weakness starting about age five years, loss of ambulation in the teens, and eventually death by late teens or early 20's. Inheritance is X-linked. The incidence is about 1 in 3,000 in males. The disease occurs in males and is inherited as an X-linked condition. A progressive genetic disorder characterized by late onset neurological symptoms typically manifested in the third to fourth decade of life.
Inheritance is autosomal dominant.
A skin disorder characterized by dry, thickened, scaling skin. Sometimes accompanied by difficulty sweating and inability to regulate body temperature. Inheritance is autosomal recessive. A genetic disorder characterized by weakness of the elastic fibers of the body's connective tissues. Eyes, bones, heart, and blood vessels are typically involved.