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

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... Acute Infectious Purpura ... OF PALPABLE PURPURA ... Ig A vasculitis/HSP
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Differential Diagnosis ... Henoch Schonlein Purpura ... Rash: - Purpura ... fulminans - DIC
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... purpura (16%) ... purpura • Vesicles ... overlying purpuric ... Henoch-Schönlein purpura
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
organ damage Clinical ... Petechiae • Purpura ... • Palpable variants ... Hemorrhagic bullae • Purpura ... #Coagulation #diagnosis
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... - Symmetric palpable ... purpura mainly ... HenochSchonleinPurpura #HSP ... #Peds #Pediatrics
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 ... #Diagnosis #Signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura ... purpura: Strong ... purpura • Pauci ... purpura, joint ... purpura (lower
Cryoglobulinemia Summary

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

Vitamin C is required for hydroxylation of proline residues
• Petechia • Purpura ... • Petechiae, purpura ... , or any other cause ... Henoch-Schonlein purpura ... • DIC • Rocky