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What is Monomelic Amyotrophy?

What is Monomelic Amyotrophy?

  • Monomelic Amyotrophy: Rare motor neuron disease with good prognosis.

Monomelic Amyotrophy is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Monomelic Amyotrophy, or a subtype of Monomelic Amyotrophy, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet, a consortium of European partners, currently defines a condition rare when it affects 1 person per 2,000. They list Monomelic Amyotrophy as a "rare disease".
Source - Orphanet

Monomelic Amyotrophy: Introduction

Types of Monomelic Amyotrophy:

Types of Monomelic Amyotrophy:

  • O'Sullivan-McLeod syndrome - a progressive subtype where the weakness later spreads to another limb.
  • more types...»

Broader types of Monomelic Amyotrophy:

Who gets Monomelic Amyotrophy?

Patient Profile for Monomelic Amyotrophy: Typically males 15-25.

Gender Profile for Monomelic Amyotrophy: Mostly males.

Geography Profile for Monomelic Amyotrophy: More common in Asia than the USA

How serious is Monomelic Amyotrophy?

Prognosis of Monomelic Amyotrophy: The symptoms of MMA usually progress slowly for one to two years before reaching a plateau, then remain stable for many years. Disability is generally slight. Occasionally, the weakness progresses to the opposite limb. There is also a slowly progressive variant of MMA known as O'Sullivan-McLeod syndrome, which affects the small muscles of the hand and forearm and has a slowly progressive course. (Source: excerpt from NINDS Monomelic Amyotrophy Information Page: NINDS)

What causes Monomelic Amyotrophy?

Causes of Monomelic Amyotrophy: see causes of Monomelic Amyotrophy

What are the symptoms of Monomelic Amyotrophy?

Symptoms of Monomelic Amyotrophy: see symptoms of Monomelic Amyotrophy

Monomelic Amyotrophy: Testing

Diagnostic testing: see tests for Monomelic Amyotrophy.

Misdiagnosis: see misdiagnosis and Monomelic Amyotrophy.

How is it treated?

Doctors and Medical Specialists for Monomelic Amyotrophy: Neurologist ; see also doctors and medical specialists for Monomelic Amyotrophy.
Treatments for Monomelic Amyotrophy: see treatments for Monomelic Amyotrophy
Research for Monomelic Amyotrophy: see research for Monomelic Amyotrophy

Organs Affected by Monomelic Amyotrophy:

Organs and body systems related to Monomelic Amyotrophy include:

Name and Aliases of Monomelic Amyotrophy

Main name of condition: Monomelic Amyotrophy

Other names or spellings for Monomelic Amyotrophy:

MMA, Benign Focal Amyotrophy, Hirayama Syndrome, juvenile muscular atrophy of the distal upper limb, Spinal muscular atrophy juvenile nonprogressive

Hirayama disease, Juvenile nonprogressive spinal muscular atrophy, Spinal muscular atrophy juvenile nonprogressive, Juvenile nonprogressive spinal muscular atrophy, Spinal muscular atrophy juvenile nonprogressive, Amyotrophy, monomelic, Spinal muscular atrophy juvenile nonprogressive, Amyotrophy, monomelic, Hirayama disease, Juvenile nonprogressive spinal muscular atrophy, Methylmalonic acidemia, Acidemia, methylmalonic
Source - Office of Rare Diseases (ORD) of the National Institutes of Health (NIH)

Monomelic Amyotrophy: Related Conditions

Research the causes of these diseases that are similar to, or related to, Monomelic Amyotrophy:

 

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