Myositis: Difference between revisions
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{{SI}} | |||
{{Infobox medical condition | |||
| name = Myositis | |||
| image = [[File:IBM_rimmed_vacuoles_HE_x200.jpg|left|thumb|Rimmed vacuoles in inclusion body myositis]] | |||
| caption = Rimmed vacuoles in inclusion body myositis | |||
| field = [[Rheumatology]], [[Neurology]] | |||
| symptoms = Muscle weakness, muscle pain, fatigue | |||
| complications = Difficulty swallowing, respiratory issues | |||
| onset = Gradual | |||
| duration = Long-term | |||
| types = [[Polymyositis]], [[Dermatomyositis]], [[Inclusion body myositis]] | |||
| causes = Autoimmune, infections, medications | |||
| risks = Genetic predisposition, age, gender | |||
| diagnosis = [[Muscle biopsy]], [[Blood test]] for [[creatine kinase]], [[Electromyography]] | |||
| differential = [[Muscular dystrophy]], [[Amyotrophic lateral sclerosis]], [[Multiple sclerosis]] | |||
| treatment = [[Corticosteroids]], [[Immunosuppressants]], [[Physical therapy]] | |||
| medication = [[Prednisone]], [[Methotrexate]], [[Azathioprine]] | |||
| prognosis = Variable, depends on type and response to treatment | |||
| frequency = Rare | |||
}} | |||
== Myositis == | == Myositis == | ||
[[File:Inclusion body myositis MRI.jpg|left|thumb|500px|Inclusion body myositis MRI]] | |||
[[File:Inclusion body myositis MRI.jpg|thumb|500px|Inclusion body myositis MRI]] | |||
'''Myositis''' is [[inflammation]] or swelling of the [[muscle]]s. Injury, medicines, infection, or an immune disorder can lead to myositis.<ref>{{MedlinePlus|001245|Myositis}}</ref> It is a documented side effect of the lipid-lowering drugs [[statins]] and [[fibrate]]s. | '''Myositis''' is [[inflammation]] or swelling of the [[muscle]]s. Injury, medicines, infection, or an immune disorder can lead to myositis.<ref>{{MedlinePlus|001245|Myositis}}</ref> It is a documented side effect of the lipid-lowering drugs [[statins]] and [[fibrate]]s. | ||
==Types== | ==Types== | ||
Types of myositis include: | Types of myositis include: | ||
* [[myositis ossificans]] | * [[myositis ossificans]] | ||
* (idiopathic) [[Inflammatory myopathy|inflammatory myopathies]] | * (idiopathic) [[Inflammatory myopathy|inflammatory myopathies]] | ||
''' [[dermatomyositis]] | |||
'''* [[juvenile dermatomyositis]] | |||
''' [[polymyositis]] | |||
''' [[inclusion body myositis]] | |||
''' [[benign acute childhood myositis]] | |||
''' [[Statin-associated autoimmune myopathy]] | |||
* [[pyomyositis]] | * [[pyomyositis]] | ||
<youtube> | <youtube> | ||
title='''{{PAGENAME}}''' | title='''{{PAGENAME}}''' | ||
movie_url=http://www.youtube.com/v/4aWMGUF5RMw | movie_url=http://www.youtube.com/v/4aWMGUF5RMw | ||
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height=600 | height=600 | ||
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==Diagnosis== | ==Diagnosis== | ||
Elevation of [[creatine kinase]] in blood is indicative of myositis. | Elevation of [[creatine kinase]] in blood is indicative of myositis. | ||
==Treatment== | ==Treatment== | ||
Polymyositis and dermatomyositis are first treated with high doses of corticosteroids. | Polymyositis and dermatomyositis are first treated with high doses of corticosteroids. | ||
==See also== | ==See also== | ||
* [[myopathy]] (muscle disease) | * [[myopathy]] (muscle disease) | ||
| Line 38: | Line 52: | ||
* [[Masticatory muscle myositis]] (a disease in dogs) | * [[Masticatory muscle myositis]] (a disease in dogs) | ||
* [[perimyositis]] | * [[perimyositis]] | ||
==References== | ==References== | ||
{{reflist}} | {{reflist}} | ||
==External links== | ==External links== | ||
{{Medical resources | {{Medical resources | ||
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| MeshID = D009220 | | MeshID = D009220 | ||
}} | }} | ||
* [https://www.nlm.nih.gov/medlineplus/myositis.html Myositis]: NIH | * [https://www.nlm.nih.gov/medlineplus/myositis.html Myositis]: NIH | ||
{{Inflammation}} | {{Inflammation}} | ||
{{Systemic connective tissue disorders}} | {{Systemic connective tissue disorders}} | ||
Latest revision as of 23:48, 8 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD medical weight loss NYC and sleep center NYC
| Myositis | |
|---|---|
 | |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Muscle weakness, muscle pain, fatigue |
| Complications | Difficulty swallowing, respiratory issues |
| Onset | Gradual |
| Duration | Long-term |
| Types | Polymyositis, Dermatomyositis, Inclusion body myositis |
| Causes | Autoimmune, infections, medications |
| Risks | Genetic predisposition, age, gender |
| Diagnosis | Muscle biopsy, Blood test for creatine kinase, Electromyography |
| Differential diagnosis | Muscular dystrophy, Amyotrophic lateral sclerosis, Multiple sclerosis |
| Prevention | N/A |
| Treatment | Corticosteroids, Immunosuppressants, Physical therapy |
| Medication | Prednisone, Methotrexate, Azathioprine |
| Prognosis | Variable, depends on type and response to treatment |
| Frequency | Rare |
| Deaths | N/A |
Myositis[edit]
Myositis is inflammation or swelling of the muscles. Injury, medicines, infection, or an immune disorder can lead to myositis.<ref>MedlinePlus Encyclopedia: Myositis </ref> It is a documented side effect of the lipid-lowering drugs statins and fibrates.
Types[edit]
Types of myositis include:
- myositis ossificans
- (idiopathic) inflammatory myopathies
dermatomyositis * juvenile dermatomyositis polymyositis inclusion body myositis benign acute childhood myositis Statin-associated autoimmune myopathy
Diagnosis[edit]
Elevation of creatine kinase in blood is indicative of myositis.
Treatment[edit]
Polymyositis and dermatomyositis are first treated with high doses of corticosteroids.
See also[edit]
- myopathy (muscle disease)
- myalgia (muscle pain)
- Masticatory muscle myositis (a disease in dogs)
- perimyositis
References[edit]
<references group="" responsive="1"></references>
External links[edit]
- Myositis: NIH
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