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Weakness, Inflammatory Myositis - Coggle Diagram
Weakness
Muscular
Inflammatory Myositis
Non-inflammatory myopathy
Neuromuscular disorders
Endocrine disorders
Infectious myosistis
Metabolic myopathies
Miscellaneous
Rhabdo
Sarcoid
Other rheum disorders
Generalized
Neurologic
Inflammatory Myositis
Overlap Myositis
Antisynthetase antibody syndrome (ASA)
Antibodies
Anti- JO1 (ILD)
PL7 (ILD)
PL12 (ILD)
EJ (ILD)
OJ (ILD)
6 key features are myositis, arthritis, fever, ILD, Raynaud's mechanic's hands
Myositis w/ other CT d/o
Systemic slerosis
Anti- PM-Scl (ILD)
Anti-U1
Anti- Ku
Anti- U3RNP
Anti-SSA/Ro
SLE
Anti-U1-RNP
Immune- Mediated necrotizing myositis (IMNM)
Antibodies
Anti- HGMcoA
Anti SRP
Bx w/ necrosis and paucity of inflammatory infiltrate- macrophages if anything, spared from skin/lung disease
Inclusion Body Myositis (IBM)
distal (hands, forearms) muscle weakness, asymmetrical
Antibodies
Anti--cN1a aka Anti-NT5C1a
DM/PM
DM
Amyotrophic DM
Antibody
MDA5
(ILD; backwards initials of name and you're MAD to have it)
Severe skin (ulcerative Gutron's) and severe ILD can be c/b pneumomediastinum
Antibodies
Anti- MI2
Anti- SAE
Anti-TIF1 gamma (CANCER)
Anti-NXP2 (CANCER)
PM
Juvenile-onset DM