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Bronchial brushings (BB) commonly aid in the diagnosis of primary lung cancer. However, the utility of this method in diagnosing endobronchial metastases (EBM) from extrapulmonic malignancies has not been thoroughly evaluated. The purpose of this study is to evaluate the sensitivity of BB in diagnosing EBM.

An institutional database was queried for all patients with cytologically or histologically confirmed extrapulmonary EBM identified by endobronchial biopsy between 1978 and 2013. Data were collected on patient demographics, histologic and cytologic diagnoses, time from primary malignancy to identification of EBM, and location of EBM. The sensitivity of BB for the diagnosis of EBM and the clinicopathologic features of extrapulmonary EBM were assessed.

Fifty-six patients (33 females …