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Diseases » Miyoshi myopathy » Summary

What is Miyoshi myopathy?

What is Miyoshi myopathy?

  • Miyoshi myopathy: A rare genetic condition characterized by slow-progressing muscle weakness and atrophy that starts in the calves and progresses to the rest of the legs and arms. Occasionally the hips and shoulders may be affected but the heart and facial muscles are spared.

Miyoshi myopathy is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Miyoshi myopathy, or a subtype of Miyoshi myopathy, 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 Miyoshi myopathy as a "rare disease".
Source - Orphanet

Miyoshi myopathy: Introduction

Types of Miyoshi myopathy:

Broader types of Miyoshi myopathy:

Who gets Miyoshi myopathy?

Racial predominance for Miyoshi myopathy: Japan

How serious is Miyoshi myopathy?

Prognosis of Miyoshi myopathy: bedridden in about 15 years
Complications of Miyoshi myopathy: see complications of Miyoshi myopathy

What causes Miyoshi myopathy?

Causes of Miyoshi myopathy: see causes of Miyoshi myopathy

What are the symptoms of Miyoshi myopathy?

Symptoms of Miyoshi myopathy: see symptoms of Miyoshi myopathy

Complications of Miyoshi myopathy: see complications of Miyoshi myopathy

Onset of Miyoshi myopathy: 2nd to 3rd decade

Can anyone else get Miyoshi myopathy?

Inheritance: see inheritance of Miyoshi myopathy

How is it treated?

Doctors and Medical Specialists for Miyoshi myopathy: Medical Geneticist, Cardiologist ; see also doctors and medical specialists for Miyoshi myopathy.
Treatments for Miyoshi myopathy: see treatments for Miyoshi myopathy
Research for Miyoshi myopathy: see research for Miyoshi myopathy

Name and Aliases of Miyoshi myopathy

Main name of condition: Miyoshi myopathy

Other names or spellings for Miyoshi myopathy:

Nonaka myopathy, muscular dystrophy, late onset distal Nonaka type, nonaka type muscular dystrophy, myopathy Japanese type, late onset distal, Distal myopathy, Nonaka type, Nonaka distal myopathy, Myopathy, distal, with rimmed vacuoles, NM, DMRV, Muscular dystrophy, distal, late onset, autosomal recessive, MM, Distal myopathy with rimmed vacuoles

Muscular dystrophy, late-onset distal, Dysferlinopathy Source - Diseases Database

MM, Muscular dystrophy, distal, late onset, autosomal recessive
Source - Office of Rare Diseases (ORD) of the National Institutes of Health (NIH)

Miyoshi myopathy: Related Conditions

Research the causes of these diseases that are similar to, or related to, Miyoshi myopathy:


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