622 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Normal Complement: IgA ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Management of adult IgA Vasculitis (Henoch-Schönlein purpura) - Treatment algorithm for the management of IgAV patients
Management of adult IgA ... purpura) - Treatment algorithm ... management of IgAV ... #Vasculitis #IGAV ... #Algorithm
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Diagnosis of IgA ... Vasculitis (Henoch-Schönlein ... Purpura) - French Vasculitis ... common systemic vasculitis ... Elevated serum IgA
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... Leukocytoclastic vasculitis ... Cutaneous small vessel vasculitis ... periumbilical region), nausea ... #Vasculitis #HenochScholeinPurpura
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Cryoglobulinemic vasculitis ... Sjogren's syndrome • IgA ... vasculitis - Rare ... #vasculitis #differential
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis ... #Differential #Algorithm
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... Identification of causes ... • Drug-induced vasculitis ... : SLE +++ • IgA ... vasculitis (10%
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Leukocytoclastic Vasculitis ... cryoglobulins, IgA ... nonpalpable #palpable #Causes ... Differential #Diagnosis #vasculitis
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Causes of Secondary ... IgA Nephropathy ... Differential Diagnosis Algorithm ... #Nephropathy #Causes ... Differential #Diagnosis #Algorithm
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... Differential #Diagnosis #Algorithm ... #causes