4 results
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... - Symmetric palpable ... purpura mainly ... HenochSchonleinPurpura #HSP ... Rheumatology #Peds #Pediatrics
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathogenesis and Clinical ... causing lesions and activating ... endothelial cells - Palpable ... or necrotic purpura ... PolyarteritisNodosa #Pathophysiology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... Fever is the main clinical ... easy bruising to purpura ... (Petechial or purpuric ... 5000 to 10,000 ng/mL
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Henoch Scholein Purpura ... Pathogenesis and Clinical ... tissue site - Activation ... and ankles) #HSP ... HenochScholeinPurpura #Pathophysiology