105 results
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... APLS, PV/ET • Leukocytoclastic ... BrighamChiefs #Purpura
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... OF NON-PALPABLE PURPURA ... Acute Infectious Purpura ... • Pigmented Purpuric ... Hypersensitivity/Leukocytoclastic
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Cutaneous Vasculitis: Leukocytoclastic ... Petechiae, Palpable purpura ... Vasculitis: • Leukocytoclastic
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Petechiae, Palpable purpura ... Petechiae • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura ... granulomas, and leukocytoclastic
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... • Cutaneous leukocytoclastic
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... Symmetric palpable purpura ... vasculitis) - Leukocytoclastic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... scleritis • Palpable purpura ... sign of cutaneous leukocytoclastic ... Henoch Schonlein Purpura ... Hypersensitivity Vasculitis (Leukocytoclastic
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Henoch Scholein Purpura ... factors (C3, C4) -> Leukocytoclastic
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... Henoch Schonlein Purpura ... erythematous nodules, purpura ... sign of cutaneous leukocytoclastic ... causing palpable purpura
Levamisole-Adulterated Cocaine
These rashes are typical for the leukocytoclastic vasculitis produced by levamisole exposure.
Levamisole is physically similar
typical for the leukocytoclastic ... - Vasculitis - Purpuric