Mnemonics for conditions with a lower lobe predominance in chest radiology include:
- CIA
- BAD AS
- RASCO
Mnemonics
CIA
- C: collagen vascular diseases
- I: idiopathic pulmonary fibrosis
- A: asbestosis
BAD AS
- B: bronchiectasis
- A: aspiration pneumonia
- D: drugs; desquamative interstitial pneumonia
- A: asbestosis
- S: scleroderma (and other collagen vascular diseases)
RASCO
- R: rheumatoid arthritis
- A: asbestosis
- S: scleroderma
- C: collagen vascular diseases
- O: other (drugs, e.g. busulfan, bleomycin, nitrofurantoin, hydralazine, methotrexate, amiodarone)
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