Diagnostic criteria for a definite usual interstitial pneumonitis pattern on high resolution computerised tomography: 1 – subpleural, basal predominance (red arrows); 2 – reticular abnormality (blue arrow); 3 – honeycombing with or without traction bronchiectasis (yellow arrow); 4 – absence of features inconsistent with usual interstitial pneumonitis pattern. | BAL = bronchoalveolar lavage; GOR = gastro-oesophageal reflux; HRCT = high-resolution computerised tomography; ILD = interstitial lung disease; IPF = idiopathic pulmonary fibrosis; MDT = multidisciplinary team; PFT = pulmonary function test; PHT = pulmonary hypertension | Mikolasch, T. A., Garthwaite, H. S., & Porter, J. C. (2017). Update in diagnosis and management of interstitial lung disease . Clinical medicine (London, England), 17(2), 146–153.

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