Abstract:A prospective study was undertaken to determine the incidence of endotracheal tube contamination by malignant cells in patients with head and neck cancer undergoing bronchoscopy. In 67 consecutive patients, bronchoscopy was performed with a flexible instrument, through or beside the endotracheal tube. Following the procedure, the inside and outside of the tube were washed and the specimens examined cytologically. Fifteen positive (class III to V) cytologic specimens were obtained, all from the outside of the t… Show more
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