Distal myopathy
Distal Myopathy
Distal myopathy (/dɪˈstæl maɪˈɒpəθi/), also known as distal muscular dystrophy, is a group of rare muscular diseases that primarily affect the distal muscles, which are those located away from the center of the body, such as the muscles of the hands and feet.
Etymology
The term "distal myopathy" is derived from the Greek words "distal" meaning "farthest" and "myopathy" meaning "muscle disease".
Definition
Distal myopathy is characterized by weakness and atrophy (wasting) of the distal muscles, particularly those of the lower legs and hands. This can lead to difficulties in walking and performing fine motor tasks. The severity and progression of the disease can vary widely among individuals.
Types
There are several types of distal myopathy, including:
- Miyoshi myopathy
- Welander distal myopathy
- Hereditary inclusion body myopathy
- Nonaka myopathy
- Laing early-onset distal myopathy
Each type is caused by mutations in different genes and has unique clinical features.
Symptoms
Common symptoms of distal myopathy include:
- Muscle weakness in the hands and feet
- Difficulty walking
- Trouble with fine motor skills
- Muscle cramps
- Fatigue
Diagnosis
Diagnosis of distal myopathy is based on a combination of clinical examination, family history, and genetic testing. Other tests such as electromyography (EMG), muscle biopsy, and magnetic resonance imaging (MRI) may also be used.
Treatment
There is currently no cure for distal myopathy. Treatment is focused on managing symptoms and improving quality of life. This may include physical therapy, occupational therapy, and the use of assistive devices.
See Also
External links
- Medical encyclopedia article on Distal myopathy
- Wikipedia's article - Distal myopathy
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