10 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... • Systemic lupus ... lupus erythematosus ... Treatment: • Corticosteroids ... #Rheumatology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antibodies bind to mast ... degranulation of mast ... during hemolytic disease ... lupus erythematosus ... Diagnosis #Reactions #Table
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... (NPSLE): • May ... Chronic B-cell activation ... #Diagnosis #Rheumatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
associated with rheumatologic ... presentation of systemic ... lupus erythematosus ... Pericarditis #Symptoms #Signs ... Presentation #comparison #Table
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
months to years) Systemic ... life-threatening • Treatment ... Evolution: Chronic disease ... sle #comparison #table ... #rheumatology #
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes mast-cell ... to complement activation ... reaction, Haemolytic disease ... glomerulonephritis, Systemic ... lupus erythematosus
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
disease. ... Episcleritis Signs ... ’s syndrome - Lupus ... Treatment: - Systemic ... #dermatology #oncology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... myopathy • Anti MAG ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... Differential #Diagnosis #Oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Physical Exam/Signs ... cells can indicate disease ... microglobulin Treatment ... diagnosis #workup #oncology ... #hematology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pyrophosphate Deposition Disease ... shoulders, wrists, elbows ... Acute Pseudogout: Treatment ... polyarticular CPPD • Systemic ... #Rheumatology #