Bronchiolo-alveolar carcinoma after inhalation of vegetable oil through a tracheal cannula.

Ten cases of carcinoma of the lung, mostly alveolar cell carcinomata, arising in patients after continuous use of (mostly mineral) oils as nose drops or laxatives, have till now been reported in the literature. We describe another such case, a man who used sesame oil to lubricate his tracheal cannula.