Dystrophy

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(Redirected from Dystrophia)

Dystrophy is a term used in medicine to describe a range of conditions characterized by the weakening and degeneration of muscle tissue. The term is derived from the Greek words "dys", meaning difficult or faulty, and "trophe", meaning nourishment. Dystrophies are typically inherited conditions, caused by mutations in genes that regulate muscle function.

Types of Dystrophy[edit | edit source]

There are several types of dystrophy, each with its own unique set of symptoms, causes, and treatments. Some of the most common types include:

  • Duchenne muscular dystrophy: This is the most common form of dystrophy in children, affecting approximately 1 in 3,600 male births. Symptoms typically begin in early childhood and progress rapidly, often leading to severe disability and shortened lifespan.
  • Becker muscular dystrophy: This is a milder form of Duchenne dystrophy, with symptoms typically appearing in late childhood or early adulthood. Progression is slower and less predictable than in Duchenne dystrophy.
  • Myotonic dystrophy: This is the most common form of adult-onset dystrophy. It is characterized by myotonia (prolonged muscle contractions), muscle weakness, and a wide range of other symptoms affecting various body systems.
  • Facioscapulohumeral muscular dystrophy: This form of dystrophy primarily affects the muscles of the face, shoulders, and upper arms. Symptoms typically begin in adolescence or early adulthood.
  • Limb-girdle muscular dystrophy: This group of dystrophies affects the muscles of the hips and shoulders. Symptoms can begin in childhood, adolescence, or adulthood, and progression can be slow or rapid.

Causes[edit | edit source]

Dystrophies are caused by mutations in genes that regulate muscle function. These mutations can be inherited from one or both parents, or they can occur spontaneously at the time of conception. The specific gene mutation determines the type of dystrophy and its severity.

Diagnosis[edit | edit source]

Diagnosis of dystrophy typically involves a combination of physical examination, family medical history, and laboratory tests. These may include blood tests, muscle biopsy, and genetic testing.

Treatment[edit | edit source]

There is currently no cure for dystrophy. Treatment is aimed at managing symptoms and improving quality of life. This may include physical therapy, occupational therapy, speech therapy, and the use of assistive devices. Medications may also be used to manage symptoms and slow disease progression.

See Also[edit | edit source]

Dystrophy Resources
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Contributors: Prab R. Tumpati, MD