The cause of MSA has not been identified. MSA occurs in the general population in a sporadic manner. The disorder is degenerative and progressively worsens.
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atrophy is a decrease in muscle mass. Hypertrophy is muscle growth.
Focal atrophy refers to the localized loss of tissue within a specific area of an organ or structure in the body. It can result from a variety of factors, such as aging, disease, or injury, and may lead to functional impairment in the affected area. Treatment options for focal atrophy depend on the underlying cause and may include medications, physical therapy, or surgical interventions.
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Spinal muscular atrophy is an autosomal recessive disease. The severity of spinal muscular atrophy varies, and is the most common genetic cause of infant death.