11 results
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Palpable purpura ... Palpable = vasculitis ... purpura (IgA), ... #Legs #Rash #clinical ... #photo #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Nonpalpable purpura ... endocarditis, RMSF, and Henoch-Schönlein ... lesions may have a vasculitis ... as autoimmune vasculitis ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Vasculitis ... • Ig A vasculitis ... Diagnosis #hematology ... palpable #nonpalpable
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
nephropathy, Henoch-SchonIein ... Purpura Anti-GBM ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... purpura, Hemorrhagic ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
purpura (16%) ... Diagnosis: Vasculitis ... • Henoch-Schönlein ... purpura • Mixed ... #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... purpura, Arthralgia ... • IgA vasculitis ... (Henoch-Schönlein ... purpura) • Cutaneous
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
purpura • Hypersensitivity ... vasculitis • ... Henoch Schönlein ... purpura • PAN ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... Schonlein Purpura ... (IgA vasculitis ... Vasculitis - Skin ... differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Infection - Vasculitis ... Schonlein Purpura ... Rash: - Purpura ... #Diagnosis #Algorithm