9 results
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch ... (HSP, IgA Vasculitis ... ) 55 year old ... #HSP #IgA #Vasculitis ... #clinical #photo
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Normal Complement: IgA ... nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... Glomerulonephritis #Vasculitis ... #differential #diagnosis
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Low Platelets or Vasculitis ... Thrombocytopenia vs Vasculitis ... Palpable = vasculitis ... purpura (IgA), ... #photo #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... : Vasculitis: ... Granulomatous vasculitis ... • Necrotising vasculitis ... leukocytoclastic vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... often present • Henoch ... (IgA vasculitis ... mucositis - Rash ... well as inner ear
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... • Henoch Schönlein ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome • Vasculitis ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... MPO > PR3 60/ GPA ... often present) Henoch ... (IgA Vasculitis ... , IgA (cmpkx deposits
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
IgA vasculitis ... small-vessel vasculitis ... Hypersensitivity vasculitis ... • Vasculitis ... #rheumatology #vasculitis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Infection - Vasculitis ... infection - RMSF - Henoch ... - Autoimmune Vasculitis ... RA, Sjogren's, GPA