Chapter 6- Mixed Connective Tissue Disease and IgG4 Related Disease Flashcards
What is mixed connective tissue disease?
disease with mixed clinical features of SLE, systemic sclerosis, and polymyositis
Later results of mixed connective tissue disease?
can evolve into classic SLE or systemic sclerosis
Serious complications in mixed connective tissue disease (3)
pulmonary hypertension, interstitial lung disease, and renal disease
Epidemiology of IgG4 Related Disease
middle-aged and older men
Where is IgG related disease found?
all organs- salivary and lacrimal glands, thyroid, eyes, lungs, kidneys
Characteristics of IgG4 Related Disease (4)
tissue infiltration by IgG4 antibody-producing plasma cells and lymphocytes
Storiform fibrosis
Obliterative phlebitis
Increased serum IgG4
What is Obliterative phlebitis
Vein inflammation