harvard chest 2.txt


HRCT: ground glass opacity ?


hypersensitivity pneumonitis, all acute interstitial disease (IPF, viral), PCP, BOOP, eosinophilic PNA, pulmonary edema, alveolar proteinosis;


HRCT: nodular ?


hematogenous infection or mets, sarcoid, pneumoconiosis (silicosis, CWP), EG;


HRCT: reticulonodular ?


pulmonary edema, viral, mycoplasma, PCP, lymphangitic spread, pulmonary fibrosis (IPF, drugs, radiation, CVD), asbestosis;


HRCT: cystic ?


LAM, cystic PCP, EG, honeycombing (IPF, any end-stage ILD);


HRCT: interlobular septal thickening ?


CHF, lymphangitic spread, alveolar proteinosis, sarcoid;


HRCT: centrilobular nodules ?


endobronchial spread of infection or tumor (TB, MAI, bronchoPNA), airways diseases (CF, bronchiectasis, TB, MAI), hypersensitivity pneumonitis, silicosis, histiocytosis, BOOP, pulmonary edema, talc;


HRCT: tree-in-bud ?


endobronchial spread of infection, airways diseases;


HRCT: perilymphatic nodules ?


sarcoid, silicosis, lymphangitic spread;


HRCT: diffuse random nodules ?


miliary TB, fungus, mets