56 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
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... - Monod sign ... sign - Corona ... #ChestCT #CT #Lung ... Diseases #diagnosis #differential
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... , Sarcoidosis, Dermatomyositis ... , Lung adenocarcinoma ... Reverse #Halo #Sign
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
Polymyositis & Dermatomyositis ... disorders of Liver & Lung ... Rheumatoid #Factor #RF #rheumatology ... #laboratory #differential
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Myopathies - Dermatomyositis ... Myopathy #Comparison #Managment ... #algorithm #Rheumatology ... #Differential
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 #
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
and Associated Lung ... sliding/barcode sign ... Consolidations - "Shred" sign ... #pulmonary #differential ... #diagnosis #signs
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 ... CTILD #Diagnosis #Differential ... Table #Pulmonary #Rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies Dermatomyositis ... heliotrope, shawl sign ... Inflammatory #Myopathies #differential ... diagnosis #comparison #rheumatology