harvard chest 3.txt


Kerley B lines:


CHF, lymphangitic spread of CA; less common ? viral, asbestosis, sarcoid, lymphoma


Pulmonary fibrosis:


IPF, sarcoid, pneumoconiosis, histiocytosis, CVD, talc, radiation, drugs, chronic hypersensitivity pneumonitis, NF


Lymphangitic carcinomatosis:


lung, breast, stomach, pancreas, prostate, thyroid


Hematogenous pulmonary mets:


lung, breast, kidney, thyroid, colon, uterus, head&neck, testes, melanoma, lymphoma, osteosarcoma


Solitary pulmonary nodule:


granuloma (TB, fungus esp histo, sarcoid), hamartoma, lung CA, met, lymphoma, AVM, hematoma, infarct, chest wall lesion, nipple shadow, bronchial adenoma, cyst, abscess, rheumatoid nodule, fissural pseudotumor, rounded atelectasis, round PNA, carcinoid, bronchopulmonary sequestration, bronchogenic cyst, plasma cell granuloma, PTLD


Multiple nodules:


hematogenous mets, lymphoma (usu NHL), granuloma (TB, fungal, sarcoid), hamartoma, AVMs, Nocardia, parasite, septic emboli (Staph aureus), rheumatoid nodules, Wegener?s, posttraumatic hematomas, healed rib fxs, silicosis, multiple abscesses, lymphomatoid granulomatosis, amyloidosis, KS, Langerhans cell histiocytosis, PTLD


Miliary nodules:


(3-5mm) TB, fungi (esp histo), mets (melanoma, RCC, chorioCA, thyroid), sarcoid, silicosis, Langerhans cell histiocytosis, varicella, talc, alveolar microlithiasis (1mm)


Calcified nodules:


thyroid mets, mucinous mets, osteogenic mets, varicella, TB, histo, cocci, silicosis, alveolar microlithiasis


Peribronchovascular nodules:


sarcoid, LC, KS, lymphoma