10 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema Nodosum ... Lofgren's syndrome Ulcerative ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... racemosa, Digital ulceration ... polyarteritis nodosa ... Polyarteritis nodosa ... differential #diagnosis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... thighs RARELY ulcerate ... Diagnosis #Dermatology ... #SkinRash #Clinical
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... insufficiency • Vasculitis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... insufficiency • Vasculitis ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... lesions, erythema nodosum ... Behcet disease) Differential ... Crohn disease, ulcerative ... diagnosis #management #signs
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Bullae/Blisters • Ulceration ... reticularis Differential ... Polyarteritis nodosa ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... Polyarteritis Nodosa ... purpura: strong sign ... differential #diagnosis ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... purpura: Strong sign ... Polyarteritis Nodosa ... Diagnosis #Rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic inflammatory vasculitis ... and ophthalmic complications ... systemic sx + signs ... very remarkable w/differential ... diagnosis = vasculitis