12 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

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

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

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... Identification of causes ... the context of cutaneous ... dermatology #semiology #signs ... lesions #diagnosis #clinical
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Purpura, ischemic ... purpura: Strong ... sign of cutaneous ... purpura, joint ... ) • Palpable purpura
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... Henoch Schonlein Purpura ... purpura: strong ... sign of cutaneous ... purpura.
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... triad of Palpable ... purpura, Arthralgia ... Henoch-Schönlein purpura ... ) • Cutaneous
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
poor nutrition Clinical ... • Purpura • Perifollicular ... • Petechiae, purpura ... , or any other cause ... Henoch-Schonlein purpura
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Henoch Scholein Purpura ... Pathogenesis and Clinical ... response) - Cutaneous ... and ankles) #HSP ... Pathophysiology #Diagnosis #Signs
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathogenesis and Clinical ... Viral replication causes ... endothelial cells - Palpable ... or necrotic purpura ... #Symptoms #Vasculitis
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
organ damage Clinical ... • Purpura • ... Palpable variants ... Hemorrhagic bullae • Purpura ... #treatment #management