Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic ...
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Dermatological semiology of Cutaneous Vasculitis 



Clinicopathologic correlations

 • Purpura, papules, pustules, necrosis: involvement of small vessels

 • Nodules, livedo, necrosis : involvement of smooth muscle wall vessels (medium-sized vessel)

Identification of causes in the context of cutaneous vasculitis

 • Cutaneous leukocytoclastic angiitis (40%)

 • Drug-induced vasculitis (20%)

 • Connective tissue disease (10%) : SLE +++

 • IgA vasculitis (10%)

 • Necrotizing vasculitis (5%): PAN > GPA, EGPA

 • Solid cancers/hemopathies (4%)

 • Cryoglobulinemia vasculitis (3%)

 • Infections (1-2%)

 • Other: IBD, sarcoidosis, .



By Dr. Laure Frumholtz via Dr. Benjamin Terrier @TerrierBen



#Cutaneous #Vasculitis #dermpath #dermatology #semiology #signs #lesions #diagnosis #clinical #manifestations #pathology #lesions #differential 
Contributed by

Dr. Gerald Diaz
@GeraldMD
Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG:  https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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