harvard chest 5.txt


Hilar mass: bilateral + symmetric


(TB, fungal, sarcoid, mets, lymphoma, silicosis, PA enlargement),


Hilar mass: bilateral + asymmetric


(TB, fungal, sarcoid, mets, lymphoma, silicosis, PA enlargement),


Hilar mass: unilateral


(TB, fungal, sarcoid, mets, lymphoma, lung CA, Castleman?s, PA enlargement, bronchogenic cyst)


Superior mediastinal mass:


thyroid, adenopathy, cystic hygroma, lymphoma, mets, vascular, parathyroid


Anterior mediastinal mass:


thymic lesion (thymoma), lymphoma (Hodgkin?s), germ cell tumor (teratoma), thyroid (intrathoracic goiter), vascular (aneurysm), bronchogenic cyst, pericardial cyst, lymphangioma, hemangioma, lipoma, TB, fungus, sarcoid, mets


Middle mediastinal mass:


thyroid (intrathoracic goiter), esophageal lesion (leiomyoma, duplication cyst), bronchogenic cyst, pericardial cyst, vascular lesion (aneurysm, aberrant vessel), mets (head and neck, GU, breast, melanoma), lung CA (small cell), lymphoma, leukemia, KS, TB, fungus, sarcoid, hiatal hernia, Castleman?s disease


Posterior mediastinal mass:


neurogenic tumor (neurofibroma, schwannoma, ganglioneuroma, neuroblastoma, pheochromocytoma, paraganglioma), anterior or lateral thoracic meningocele, bronchogenic cyst, gastroenteric cyst, neuroenteric cyst, TB spine, paraspinal lymphoma, vascular, hematoma, extramedullary hematopoeisis, Bochdalak hernia, sequestration, mets, sarcoid