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Chest, Vol 88, 84-88, Copyright © 1985 by American College of Chest Physicians

ARTICLES

Sensitivity, specificity, and predictive values of bronchoscopy in neoplasm metastatic to lung

RH Poe, C Ortiz, RH Israel, MG Marin, R Qazi, RC Dale and DG Greenblatt

Bronchoscopic examination to diagnose lung metastases has not been as rewarding as in primary lung cancer. Despite a lower expected yield, we believe the procedure has value in certain patients, ie, those with clinical findings of endobronchial disease. To determine better the value of bronchoscopy in this population, we retrospectively reviewed records of patients at five community teaching hospitals over a 66- month period. These patients all underwent fiberoptic bronchoscopy. They had a history of prior nonpulmonary malignancy and an abnormal chest roentgenogram suspicious for recurrent malignant disease, or they presented with abnormal chest roentgenographic findings and further evaluation showed the lung disease to be metastatic. Bronchoscopy for metastatic lung disease was most likely diagnostic in patients with primary colorectal cancer (79 percent) and breast cancer (57 percent), and least likely in patients with genitourinary tract cancer (33 percent). Hemoptysis, signs of local airway obstruction, or a roentgenogram showing either atelectasis or diffuse lung disease especially favored a positive biopsy. Bronchoscopy is a valuable diagnostic procedure in selected patients with metastatic lung disease.


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