17 results
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 ... ulcerations • Skin ... 50% of cases • Skin
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... the Nikolsky sign ... staphylococcal scalded skin ... the Nikolsky sign ... fever or Nikolsky sign
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... on texture of skin ... migrans: • Target sign ... dermatology #arthritis #skin ... #differential #
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Dermatomyositis ... processes occur in the skin ... -> Heliotrope Rash ... flexors affected #Dermatomyositis ... Pathophysiology #Signs
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... New-onset fever with rash ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... retinal damage) • Skin ... test (this is a skin ... disease) Differential ... #signs #symptoms
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Polyneuropathy, Cranial nerve ... erythematosus #signs
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Syndrome) is a skin ... inflamed or blistered skin ... Episcleritis Signs ... development of skin ... deeper into the skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... glomerular ischemia - Skin ... purpura: strong sign ... Small Vessels: Skin