17 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... heliotrope rash, Shaw sign ... , holster sign, ... , and arthritis ... #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Myositis and Myopathies ... Rheumatica • Pain ... with temporal arteritis ... Diffuse muscle pain ... diagnosis #comparison #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Positive ANAAutoimmune ... Sjögren Syndrome, Myositis ... Thyroid, Autoimmune ... #patterns #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... lesions Abdominal pain ... Glomerulonephritis Myositis ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Inflammatory and ... Autoimmune Diseases ... : • Systemic lupus ... • Epstein-Barr virus ... Differential #Diagnosis #Hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Autoimmune → Inflammation ... noninflammatory Signs ... • Syphilis - Autoimmune ... Rheumatologic Disease ... Diagnosis #MSK #rheumatology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
Scotoma, Ocular pain ... positive NMO only): Myositis ... , Comorbid autoimmune ... disorders (Systemic lupus ... neurology #symptoms #signs
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Manifestations: - Arthritis ... anemia 4% - Myositis ... Auto-Antibodies: - ANA ... autoantibodies #signs ... #differential #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... : • Joint pain ... • Transverse Myelitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... Conjunctivitis, mucositis ... involvement, abdominal pain ... and GN Anti-GBM ... Differential #Diagnosis #Rheumatology