7 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
(GPA) is common ... , Palpable purpura ... • Palpable purpura ... reticularis Differential ... #rash #diagnosis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... may be affected (commonly ... #Dermatology #Rash ... #Petechiae #Purpura ... #Differential #
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Small Vessel: Petechiae ... , Palpable purpura ... - Microscopic polyangiitis ... #dermatology #rheumatology
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
chronic, benign, cutaneous ... the presence of petechiae ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
tender pulses, bruits ... deficits vascular bruits ... Nodosa: • PAN most commonly ... , mucositis • Rash ... ) • Palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• Microscopic Polyangiitis ... mucositis - Rash ... sign of cutaneous ... tender pulses, bruis ... -> causing palpable
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... and may be palpable ... They are most commonly ... nettle sting #Diagnosis ... #Dermatology #Skin