23 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
symmetric muscle weakness ... symmetric muscle weakness ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... 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
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
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Wiskott-Aldrich syndrome ... Diseases: • Systemic lupus ... Differential #Diagnosis #Hematology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
antiphospholipid syndrome ... S - Systemic Lupus ... #differential #hematology
Idiopathic Inflammatory Myopathies (IIM's)

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

 • Overlap Myositis
RASH + MUSCLE WEAKNESS ... antisynthetase syndrome ... Severe proximal weakness ... IIMs #diagnosis #rheumatology ... #dermatology #Myopathy
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... differential #diagnosis #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