8 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Petechiae, Palpable purpura ... Urticarial/LCV) - Cryoglobulinemic ... - Microscopic polyangiitis ... : • Behcet Disease ... #dermatology #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... cryoglobulinemia ... #GPA #dermatology ... #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
of Cutaneous Vasculitis ... correlations • Purpura ... (5%): PAN > GPA ... hemopathies (4%) • Cryoglobulinemia ... #dermatology #semiology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
carcinoma • Melanoma ... • Bleomycin Hematologic ... Thalessemia • Cryoglobulinemia ... #skinrash #dermatology ... #causes
Purpura - Differential Diagnosis Framework

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

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Cryoglobulinemia ... Syndrome: • Clinical ... polyangiitis ... ) • Cutaneous ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• Microscopic Polyangiitis ... ANCA +MPO) • Cryoglobulinemic ... Low levels mixed cryoglobulinemia ... differential #diagnosis ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Differential Diagnosis ... / ANCA + MPO) Cryoglobulinemic ... (lower legs), cutaneous ... #Differential #Diagnosis ... #Rheumatology