Difference between revisions of "Neuromuscular pathology"

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===General===
===General===
*Usually elderly.  
*Usually elderly.  
*Thought to be related to Alzheimer's disease due to similar staining with congo red and several [[IHC]] stains.<ref name=pmid8579968>{{cite journal |author=Askanas V, Engel WK |title=New advances in the understanding of sporadic inclusion-body myositis and hereditary inclusion-body myopathies |journal=Curr Opin Rheumatol |volume=7 |issue=6 |pages=486–96 |year=1995 |month=November |pmid=8579968 |doi= |url=}}</ref>


===Microscopic===
===Microscopic===
Features:
Features:
*Inflammation.
*Inflammation.
*Vacuolated fibres (with proteineous aggregates) - '''key feature'''.
*Vacuolated muscle fibres (with proteineous aggregates) '''key feature'''.
**Vacuolation = "inclusion"
***Usually in the centroidal location.


DDx: polymyositis.
DDx: polymyositis.


IHC: APP +ve, ubiquitin +ve, tau +ve.
===IHC===
Features:<ref name=pmid8579968/>
*Congo red +ve.
*APP +ve, ubiquitin +ve, tau +ve. (???)


==Polymyositis==
==Polymyositis==
48,830

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