6 results
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
immune system, leading ... Types: • Type ... • Low serum C4 complement ... #classification ... #rheumatology #
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
cellular antigen, leading ... to complement activation ... Complement activation ... #Classification ... Diagnosis #Reactions #Table
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... cell antigens, leading ... to complement activation ... #allergy #table ... #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... differential #diagnosis #rheumatology ... #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... Non-autoimmune rheumatologic ... Kikuchi disease • Type-I ... RNP antibodies, Complement
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
• Pancreas: Type ... aortitis, mimics vasculitis ... - ↑ IgE, ↓ complement ... • Classification ... Diagnosis #Management #Rheumatology