6 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
- hypersensitivity ... - systemic lupus ... erythematosus ... #Vasculitis #Vessels ... #Diagnosis #Rheumatology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
to complement activation ... erythematosus Type ... Examples: Contact dermatitis ... #reactions #types ... #comparison
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Types II and III ... Hypersensitivity ... erythematosus ( ... #classification ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
such as systemic lupus ... erythematosus, ... disease, drug reactions ... differential #diagnosis #rheumatology ... #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Skin Disease Classification ... Non-autoimmune rheumatologic ... Kikuchi disease • Type-I ... Chronic B-cell activation ... #Diagnosis #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
disease, drug reactions ... ischemia • Skin: Erythematous ... inflammation Hypersensitivity ... - interstitial keratitis ... Differential #Diagnosis #Rheumatology