10 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Typical Signs/Symptoms
Alopecia, Fever, Malar rash, Photosensitivity, Adenopathies, Lupus pneumonia, Pleurisy, Pancreatitis,
(SLE) - Typical ... , Fever, Malar rash ... , Oral ulcers, Rash ... Arthralgia / arthritis, Myositis ... #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: ... Photosensitivity, Butterfly rash ... Glomerulonephritis Myositis ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... infection Malar rash ... lesions • Discoid lupus ... #differential # ... diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... anemia 4% - Myositis ... Lupusreference #SLE ... autoantibodies #signs ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... evidence of (fatigue, rash ... eruption - Butterfly rash ... Photosensitive rash ... Photosensitivity • Malar rash
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... everywhere) 2) A rash ... the face (many differential ... 6) An annular rash ... erythematosus #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... - Rash, arthritis ... purpura: strong sign ... vasculitis, and SLE ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... • Rash, arthritis ... Palpable purpura, joint ... #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... cancer-associated adult ... Symptoms: • Gottron rash ... ) • Shawl sign ... Syndrome: Fever, joint