Vasculitis & Alveolar Hemorrhage Flashcards
What is the former name for granulomatosis with polyangiitis?
Wegner’s
What ANCA antibotidy & target are positive in granulomatosis with polyangiitis?
cANCA, targeting PR3
What ANCA antibody & target are positive in microscopic polyangiitis?
pANCA, targeting MPO
Symptoms of granulomatosis with polyangiitis? (7)
- Lung nodules
- Saddle nose
- Tongue ulcer
- Strawberry gums
- Skin lesions
- Lacrimal inflammation
- Subglottic tracheal stenosis.
Overall treatment of vasculitic lung diseases?
- Induce remission with steroids + immunosuppressant
- Maitenance therapy with immunosuppressant
BAL findings with DAH (Diffuse Alveolar Hemorrhage)?
- Serially bloodier aliquots
- Hemosiderin-laden macrophages > 20% (Prussian blue staining)
Diagnosis of idiopathic pulmoary hemosiderosis?
surgical lung biopsy to exclude capalleritis
Clinical picture of idiopathic pulmonary hemosiderosis?
- Recurrent hemoptysis & GGOs
- Iron-deficient anemia
- Bland histopathology
Treatment of idiopathic pulmonary hemosdierosis?
Steroids + Immunosuppressant
Treatment of DAH?
- Address underlying vasculitic disease
- Cytotoxic agents, plasma exchange
What is Lane-Hamilton Syndrome?
Idiopathic pulmonary hemosiderosis + Celiac disease.
-Treated with gluten-free diet.