Abstract
A 77-year-old man was admitted to our hospital to undergo resection of a lung tumor. Because the tumor was small and indeterminate, a hook wire was inserted percutaneously into the peritumor at a depth of 3 cm from the pleura under computed tomography guidance. After the insertion, he walked with a stagger. Intraleft ventricular gas and intrapulmonary artery gas was noted by computed tomography immediately thereafter. The patient recovered spontaneously without any additional complications. Although air embolism is a rare complication, we must always be aware of this complication when performing lung puncture.
