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Doctor insights on: Muscular Dystrophy Vs Spinal Muscular Atrophy

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Differentiate between duchenne and spinal muscular atrophy?

Differentiate between duchenne and spinal muscular atrophy?

Muscle vs motor neur: Duchenne muscular dystrophy is a disease of the muscles wherein the muscles degenerate and are replaced by fibrous and fatty tissue. Spinal muscular atrophy may look similar, but it is not a dystrophy. It is a disease of motor neurons. It is an inherited recessive disease. ...Read more

Dr. Kathryn Mosher
141 doctors shared insights

Muscular Dystrophy (Definition)

Muscular dystrophy includes a number of disorders which are associated primarily with abnormalities of the architecture of the cells, often causing changes in size and function (weakness). These disorders are typically inherited, and recognized early in life, although there are of course exceptions to this. Prognosis is based on the type of MD and expression ...Read more


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What is spinal bulbar muscular atrophy?

What is spinal bulbar muscular atrophy?

A neurodegeneration: Sbma is a serious problem in which a gene causes malfunction of male hormones and causes progressive damage to the nerves that control the muscles of the body. As time goes on, men with sbma may experience loss of fertility, impotence, severe weakness, trouble swallowing and breathing, numbness, all that worsen over time, typically in men and typically starting in adulthood. ...Read more

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How are duchennes muscular dystrophy and myotonic muscular dystrophy different?

How are duchennes muscular dystrophy and myotonic muscular dystrophy different?

Amount of Dystrophin: The two conditions differ in their severity, age of onset, and rate of progression. Mutations in the dmd gene cause duchenne and becker forms of muscular dystrophy (dmd and bmd, respectively). Mutations that lead to an abnormal version of dystrophin that retains some function usually cause bmd, while mutations that prevent the production of any functional dystrophin causes dmd. ...Read more

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How can one differentiate between duchenne muscular dystrophy and spinal muscular atrophy?

How can one differentiate between duchenne muscular dystrophy and spinal muscular atrophy?

Diagnostics: Muscle biopsy or EMG will be able to differentiate. Presenting symptoms may lead one to be suspected more than the other as well. ...Read more

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What is spinal muscular atrophy?

It is an inherited: Disease due to a generic defect that results in muscular damage. There are different types and some more severe than others. Hope this helps! ...Read more

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What are the differences between duchennes muscular dystrophy and myotonic muscular dystrophy?

What are the differences between duchennes muscular dystrophy and myotonic muscular dystrophy?

Both are inherited: neuromuscular disorders. DMD is caused by mutatation(s) on Chr. X. Onset of rapidly progressive muscle atrophy starts early in boys. Female carriers can have heart muscle disease. MD 1 is caused by mutant genes on Chr. 19; MD 2 by mutant genes on Chr. 3, Each child of a parent affected by either has a 50% chance of inheriting it, often with earlier & more severe symptoms than the parent's. ...Read more

Dr. Alan Ali Dr. Ali
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What is spinal muscular atrophy type 1?

Dr. Alan Ali Dr. Ali
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What is spinal muscular atrophy type 1?

SMA type 1: Rare genetic form where prognosis is poor & life expectancy less than 2 years of age. ...Read more

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What causes duchenne muscular dystrophy?

Genetic disorder: Duchenne's muscular dystrophy is an x linked genetic disorder causing abnormalities of the muscle fiber and eventual degeneration. ...Read more

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What causes duchenne muscular dystrophy?

Hereditary: It is inherited because of a defective gene on the x chromosome (female sex chromosome). It is referred to as a "sex-linked recessive" inheritance pattern. Girls get two x chromosomes, and the healthy one overrules the unhealthy gene, preventing girls from contracting the disorder. Boys get an x and a y. If the x has the defective gene, there is no corresponding gene on the y to overrule it. ...Read more

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What is progressive muscular dystrophy?

Muscle: It is a progressive disorder affecting the muscle causing weakness. ...Read more

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What is duchenne muscular dystrophy?

X-Linked Reces. MD: Duchenne dystrophy is inherited as an x-linked recessive trait, carried in women. It affects about 1in 3500 male births with no geographic/ethnic variation. About 1/3 of the cases are caused by new mutations, the others are familial. Diagnosis is usually evident from clinical features. The abnormality is in the cytoskeletal protein dystrophin. It is unclear why the lack of dystrophin ->findings. ...Read more

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Spinal muscular atrophy-what is it?

Spinal muscular atrophy-what is it?

Heriditary Disease: A group of hereditary-genetic disease that result in muscular atrophy and weakness. They are progressive in nature. There are 4 types. Type i werdnig-hoffmann disease. Also type ii, iii , & the adult onset type iv. Treatment is supportive & physical therapy--to prevent contractures. ...Read more

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Muscilar dystrophy related to dystrophin protein?

Muscilar dystrophy related to dystrophin protein?

Two types: The most common is duchennes with beckers a distant second. Both are related to muscle protein abnormal structure. ...Read more

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What is the difference between muscular dystrophy and muscular atrophy?

What is the difference between muscular dystrophy and muscular atrophy?

Disease vs Symptom: Atrophy is a general term for reduced bulk in a muscle. There are many causes for muscular atrophy, and muscular dystrophy can be one of them. ...Read more

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Please help! what is the difference between duchennes muscular dystrophy and myotonic muscular dystrophy?

Good question.: The long answer reqires that you go to the internet so you can look at the typical facial features of myotonic dystrophy. The two conditions are not similar in presentaion. You should go with the long answer. ...Read more

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What causes muscular dystrophy?

What causes muscular dystrophy?

Genetic disorder: There are different forms. Most common is duchenne that occurs in males but woman are carriers. Other forms are highly genetic such as fsh and myotonic dystrophy and the spectrum of sma. Genetic markers are available. ...Read more

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Why is spinal bulbar muscular atrophy also known as kennedy's disease?

Why is spinal bulbar muscular atrophy also known as kennedy's disease?

Kennedy's Diease: A debilitating neurodegenerative disease resulting in muscle cramps and progressive weakness due to degeneration of motor neurons in the brain stem and spinal cord. The condition is associated with mutation of the androgen receptor (ar) gene and is inherited as a x-linked recessive. As with many genetic disorders, no cure is known, although research continues. Described by dr kennedy in 1968. ...Read more

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What is muscular dystrophy?

Muscle disease: Muscular dystrophy is a worsening disorder that causes muscle weakness. The worst kind is duchenne's dystrophy, that affects only boys, leads to severe weakness, and wheelchair needs, breathing difficulties in the teens. Milder forms can present later or not cause as much disability. These are genetic (runs in families) disorders. ...Read more

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What mutation type causes duchenne muscular dystrophy?

What mutation type causes duchenne muscular dystrophy?

Duchenne MD: Duchenne muscular dystrophy is caused by a defective gene for dystrophin (a protein in the muscles). It is inherited in an X-linked recessive fashion, but it often occurs in people from families without a known family history of the condition. Children with the condition should be followed with a multi-specialist team approach ...Read more

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Atrophy (Definition)

Atrophy usually refers to the skin-as you get older or if you have had alot of sun in the past-the dermis (that is the layer below the top layer which is called the epidermis) gets thinner and the skin looks more wrinked. Muscles and fat can also get thinner -this is another form of atrophy. Even the top layer gets thinner ...Read more


Dr. Nizar Kherallah
36 doctors shared insights

Spinal Muscular Atrophy (Definition)

SMA (spinal muscular atrophy) is a condition in which a person has degeneration of some of the nerves in his spinal cord, resulting in weakness and wasting (atrophy) of the muscles that the damaged nerves connect to. Different types of SMA affect different age groups, ...Read more