21 results
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Immune-Mediated Necrotizing Myopathy ... Myopathies #Idiopathic #Myopathy ... Comparison #Managment #algorithm ... #Rheumatology #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
rimmed vacuoles HIV myopathy ... load Drug-induced myopathy ... Gemcitabine Lupus Myopathy ... 5-15% of lupus myopathy ... diagnosis #comparison #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... and anti-HMGCR myopathy ... Myositis #diagnosis #rheumatology
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
, Inflammatory Myopathy ... Differential #Diagnosis #rheumatology
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Mediated Necrotizing Myopathy ... clinical #diagnosis #rheumatology
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Differential Diagnosis Algorithm ... Oculomotor • Myopathy ... Differential #Diagnosis #Algorithm
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Differential Diagnosis Algorithm ... • Congenital Myopathy ... Differential #Diagnosis #Algorithm
Ashkenazi Jewish Genetic Screening Algorithm
 • Bloom syndrome
 • Canavan disease
 • Familial dysautonomia
 • Fanconi
Genetic Screening Algorithm ... NEB-related nemaline myopathy ... Genetic #Screening #Algorithm
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
, inflammatory myopathy ... Dermatomyositis #Diagnosis #Rheumatology
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
Any inflammatory myopathy ... Inflammatory myopathy ... IIMs #diagnosis #rheumatology ... #dermatology #Myopathy