Surgical Sieves:
- V : vascular
- I : infection
- T : trauma
- A : autoimmune
- M : metabolic
- I : infarct, ischaemia, iatrogenic
- N : neoplasm
Multiple pulmonary nodules/mass:
- septic emboli
- autoimmune : wegner's granulomatosis, RA
- metastasis
- atypical infection: TB, fungal
Multiple cavitating lesions
- septic emboli
- autoimmune : wegner's granulomatosis, RA
- cavitating metastasis
- atypical infection: TB, fungal