Causes of honeycombing
7
UIP-IPF CVD :Rheumatoid/scleroderma etc Fibrotic NSIP Drug related fibrosis Chronic HP Asbestosis ( uncomm) end stage sarcoidosis ( uncom)
Acute GGO/crazy paving
4
Pulmonary oedema
Haemorrhage
Atypical pneumonia
Diffuse alveolar damage (ARDS)
Chronic GGO/crazy paving
7
(Interstitial pneumonias) (HP) (OP) (Chronic eosinophilic pneumonia) BAC lipoid pneum ( rare) Alveolar proteinosis ( rare)
Lung cysts
7
Honeycombing Emphysematous bullae Pneumatocoeles HP LCH LAM / TS (1%) -rare, progresses LIP - Sjogrens/CVD - rare, less numerous cysts cf LAM, diffuse
Risks of percutaneous lung biopsy
6
Pneumothorax 20% IC drain reqd 5-10% Haemoptysis 5% Malignant seeding 0.01% Air embolism 0.1% Death 0.2%
Calcified lung masses
5
Metastatic osteosarcoma Pulmonary microlithiasis Calcified haematoma Metastatic calcification Calcified granuloma/tuberculoma
Cannonball metastases
5
Colon Renal Testicular Ovarian Osteosarcoma (Ca 2+)
Mosaic perfusion
3 features
airways» sm vessel disease
Very geographic
Air trapping (small airways disease )
Vessel size discrepancy
Lower lobe bronchiectasis
5
Post viral Primary ciliary dyskinesia Immunodeficiences Williams Campbell (cong cystic bronch) Tracheobronchomegaly (MK)
Upper lobe bronchiectasis
Symm 1
Asymm 4
CF
ABPA( high density mucous)
TB
Endobronchial obstruction
Bronchial atresia
Focal lung lucency
4
Bronchial obstruction : FB, tumour, stricture, atresia
Sequestration
CPAM
Asymm bullous disease