Pulmonary fibrosis: differential of both upper and lower lobes
BREAST
· Upper lobe:
Beryliosis
Radiation
Extrinsic allergic alveolitis
Ankylosing spondylitis
Sarcoidosis
TB
Another mnemonic for upper lobes
CHARTS
Coal worker pneumoconiosis Histiocytosis Allergic bronchopulmonary aspergilosis (ABPA), Ankylosing spondylitis Radiation Tuberculosis Silicosis, Sarcoidosis
SCAR
· Lower lobe:
Systemic sclerosis
Cryptogenic fibrosing alveolitis
Asbestosis
Radiation
Another mnemonic, Apical lung fibrosis:
PASTE
- Progressive massive fibrosis
- Ankylosing spondylosis
- Sarcoidosis
- Tuberculosis
- Extrinsic allergic alveolitis
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