13 results
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-Jo, +Anti-Mi2 Dermatomyositis ... muscle weakness, rash ... uncommon 5-15% of lupus ... differential #diagnosis #comparison ... #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
less systemic symptoms ... Dermatomyositis ... can present with rash ... including heliotrope rash ... #diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE) - Typical Signs/Symptoms
Alopecia, Fever, Malar rash, Photosensitivity, Adenopathies, Lupus pneumonia, Pleurisy, Pancreatitis,
Typical Signs/Symptoms ... , 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
Clinical Features ... Photosensitivity, Butterfly rash ... Glomerulonephritis Myositis ... erythematosus #signs #symptoms ... #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... anemia 4% - Myositis ... autoantibodies #signs #symptoms ... #differential #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... NPSLE rare, Malar rash ... Manifestations: Malar rash ... #sle #comparison ... #table #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... eruption - Butterfly rash ... Photosensitive rash ... Photosensitivity • Malar rash ... : • Symptoms limited
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... likely it will be clinically ... , Polymyositis/Dermatomyositis ... Sjögren Syndrome, Myositis ... ANA #patterns #rheumatology
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
poikiloderma in Dermatomyositis ... other signs and symptoms ... #Rash #Dermatomyositis ... #Dermatology #Clinical ... #Photo #Neck
Poikiloderma of Civatte (Photodamage Poikiloderma)

Poikiloderma in general is a common finding in older individuals with chronic
poikiloderma of dermatomyositis ... other signs and symptoms ... #Photodamage #Rash ... #Dermatology #Clinical ... #Photo #Neck