12 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Lower Legs / Feet ... insufficiency • Vasculitis ... #ulcerative #skinrash ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
cm diameter - Purpura ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... Differential Diagnosis Algorithm ... insufficiency • Vasculitis ... #ulcerative #skinrash ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis and Vasculitides ... the upper and lower ... tract, and often causes ... livedo reticularis, ulcers ... genital aphthous ulcers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... the upper and lower ... tract, and often causes ... , nodules or ulcers ... (lower legs), cutaneous
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... Differential Diagnosis: Vasculitis ... Granulomatous vasculitis ... • Necrotising vasculitis ... leukocytoclastic vasculitis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Skin ulcers ... • IgA vasculitis ... Hypersensitivity vasculitis ... • Vasculitis ... #vasculitis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... - Autoimmune Vasculitis ... #Causes #dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Henoch-SchonIein Purpura ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... Usually on lower ... veins, venous ulcers ... #Eczematous #SkinRash ... #causes