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A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Small #Medium ... #Large #Vessel # ... Size #Classification ... #Differential #Algorithm
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Large vessel vasculitis ... Small vessel vasculitis ... although immune complex ... can affect any type ... #Classification
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... of large vessels ... of small vessels ... syndrome - Immune-complex-induced ... dermatomyositis #Size #Classification
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
Definitions • Type ... antigen-surface complex ... accumulation of small ... antibody-antigen complexes ... #Types #Classification
Orthopedic Fracture Classification - Pelvic and Lower Limbs
Letournel Classification Acetabular Fractures:
 • Simple Types: Anterior column,
fovea/ligamentum (small ... fovea/ ligamentum (larger ... II - Fracture complete ... Ill - Fracture complete ... fracture with large
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... Types: • Type ... • Cutaneous small-vessel ... vasculitis • ... #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... tracts Immune Complex ... , arthritis LARGE ... disease, drug reactions ... #rheumatology #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
disease, drug reactions ... discrepancies LARGE ... and infarcts SMALL ... pauci-immune GN Immune Complex ... chorioretinitis, CNS large
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... ANCA-associated vasculitis ... Kikuchi disease • Type-I ... inflammation of the small ... and large bowel