25 results
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... - Gottron's sign ... - Interstitial lung ... #Diagnosis #Rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology ... #diagnosis #differential
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... DM/PM : dermatomyositis ... rheumatoid arthritis SLE ... CTILD #Diagnosis #Differential ... Table #Pulmonary #Rheumatology
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
arthritis • SLE ... Polymyositis & Dermatomyositis ... disorders of Liver & Lung ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
weakness, less systemic ... Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... effusion, Restrictive lung ... Thrombocytopenia #Lupus #SLE ... #signs #symptoms ... #diagnosis #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Myositis 4% - Lung ... #Systemic #Lupus ... autoantibodies #signs ... #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... anti-NXP2 Abs Lung ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
erythematosus (SLE ... erythematosus (SLE ... , Polymyositis/Dermatomyositis ... ANA #patterns #rheumatology ... #diagnosis #differential
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Seen in: • Systemic ... rash) • Heart, lung ... erythematosus [SLE ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology