9 results
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Type III Hypersensitivity ... : • Systemic Lupus ... • Erythematosus ... : • Arthritis ... HypersensitivityReaction #Allergy
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Lupus Erythematosus ... • Rheumatoid Arthritis ... • Acne • Allergy ... #Hematology #Oncology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
- Local and systemic ... glomerulonephritis, rheumatoid arthritis ... , and systemic lupus ... erythematosus ... Diagnosis #Reactions #Table
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
• Epstein-Barr Virus ... Destruction • Systemic ... Lupus Erythematosus ... • Rheumatoid Arthritis ... #Hematology
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
lgE causes mast-cell ... Examples: Rheumatoid arthritis ... glomerulonephritis, Systemic ... lupus erythematosus ... #allergy #table
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • They can cause ... Cryoglobulins Cause ... lupus erythematosus ... classification #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... months to years) Systemic ... Lupus Erythematosus ... sle #comparison #table ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... inflammation Others: • Lupus ... lupus erythematosus ... differential #diagnosis #rheumatology
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
TYPE IV RTA, TYPE ... Membranoproliferative GN ... Arthralgia and Arthritis ... Sjogrens #Syndrome #Rheumatology ... #Diagnosis #Management