17 results
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... - Gottron's sign ... scale - Holster sign ... #Diagnosis #Rheumatology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... , Sarcoidosis, Dermatomyositis ... , Lung adenocarcinoma ... Reverse #Halo #Sign ... #Differential #Diagnosis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... /full triad at diagnosis ... #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 #
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies Dermatomyositis ... heliotrope, shawl sign ... Associated Features: Diagnosis ... #differential #diagnosis ... #comparison #rheumatology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... syndrome • ED Management ... Splint: Posterior long ... Radiology #XRay #Diagnosis
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
chest (in a V-sign ... shoulders (in a shawl sign ... Non-small-cell lung ... #diagnosis #management ... #rheumatology #
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... fracture • ED Management ... Splint: Posterior long ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
WBC >100k, + lab signs ... Lysis of tumor cells ... Syndrome #TLS #diagnosis ... #management #hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... day, followed by long ... them, but urgent rheumatology ... GCA #Temporal #Signs ... #Management