29 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Causes == Primary Skin ... Lesions == Macules ... • Xerosis (dry skin ... == No Primary Skin ... Lesion / Systemic
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features of Systemic ... Sjögrens (15%) Skin ... Polyneuropathy, Cranial nerve ... lesions, Psychosis ... , Aortic valve lesions
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
and C viruses. systemic ... in absence of skin ... lesions BWH ... Vasculitides #vasculitis #differential
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
eosinophilia, skin ... Full-thickness skin ... over thickened skin ... Lichen planus-like skin ... or generalized skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome Systemic ... response to local skin ... retinal damage) • Skin ... test (this is a skin ... Behcet disease) Differential
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
refractory disease Skin ... for refractory lesions ... or refractory lesions ... Neuro disease: • Systemic ... Syndrome #Treatment #management
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
possible target lesions ... atypical target lesions ... >90% of total skin ... Rashes #Comparison #TABLE ... Dermatology #Emergency #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin
Lymphocutaneous Sporotrichiosis Infection

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