15 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
symmetric muscle weakness ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... differential #diagnosis #comparison ... #rheumatology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Systemic Lupus Erythematosus ... 80%) - Proximal Weakness ... femoral heads • Myopathy ... #Systemic #Lupus ... Complications #pathophysiology
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Immune-Mediated Necrotizing Myopathy ... Antisynthetase Syndrome ... Myopathies #Idiopathic #Myopathy ... #Comparison #Managment ... #algorithm #Rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Manifestations of Systemic Lupus ... Demyelinating Syndrome ... Aseptic Meningitis, Myelopathy ... Disease, PRES Pathophysiology ... CNS #neurology #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Myositis Necrotizing myopathy ... level of muscle weakness ... anti-synthetase syndrome ... have significant weakness ... Myositis #diagnosis #rheumatology
Statin Induced Muscle Toxicity - Summary

Clinical Presentation:
 • Elevations of serum creatine kinase with proximal myalgia
proximal myalgia and weakness ... symmetric muscle weakness ... Guillain-Barré syndrome ... GBS), systemic lupus ... antisynthetase syndrome
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... SLE : systemic lupus ... #Differential #Comparison ... Table #Pulmonary #Rheumatology
NPSLE - Neurological and Psychiatric Manifestations of Systemic Lupus Erythematosus
 • Central: Aseptic meningitis, Cerebrovascular disease,
Manifestations of Systemic Lupus ... Demyelinating syndrome ... Seizure disorder, Myelopathy ... Guillain-Barre syndrome ... Erythematosus #SLE #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Hyperviscosity Syndrome ... purpura, Arthralgia, Weakness ... 20% Sjögren's syndrome ... (e.g. systemic lupus ... classification #rheumatology
Idiopathic Inflammatory Myopathies (IIM's)

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

 • Overlap Myositis
RASH + MUSCLE WEAKNESS ... Any inflammatory myopathy ... antisynthetase syndrome ... Severe proximal weakness ... IIMs #diagnosis #rheumatology