双语教学

Explain of Pulmonary Pathology

66.Lung, pulmonary thromboembolus, gross

Seen in the pulmonary artery to the left lung on cut section is a large pulmonary thromboembolus. Such thromboemboli typically originate in the leg veins or pelvic veins of persons who are immobilized. Other contributing factors include trauma to the extremities, hypercoagulable states (Trousseaus's syndrome in patients with carcinomas; protein C or S deficiency; use of oral contraceptives), heart failure, pregnancy, and older age.

（本图片资料来源自美国犹他大学）