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

Immune Complex Mediated (granular staining):
nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... #differential # ... diagnosis #algorithm ... #rheumatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... suggestive of Henoch-Schonlein ... purpura (IgA), ... #Schonlein #Purpura ... #photo #dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
(HSP, IgA Vasculitis ... #Henoch #Schonlein ... #HSP #IgA #Vasculitis ... #clinical #photo ... #dermatology #skin
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Petechiae, Palpable purpura ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Diagnosis of IgA ... Vasculitis (Henoch-Schönlein ... Purpura) - French ... 1) Suggestive clinical ... #Rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... reticularis Differential ... Diagnosis: Vasculitis ... • Henoch-Schönlein ... #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Henoch Schönlein ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... • Ig A vasculitis ... Diagnosis #hematology ... #nonpalpable #dermatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... - GPA, EGPA, microscopic ... • IgA vasculitis ... (Henoch-Schönlein ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... (IgA vasculitis ... differential #diagnosis ... #rheumatology #