RESUMO
Purpose: To discuss the methods and the effects of DIT on pulmonary carcinoma Type PT4 Materials and methods: This Procedure was performed in 45 cases with Pulmonary Carcinoma Type PT4 using infusion of chemotherapeutical agent through catheterized bronchial and pulmonary arteries, bronchial artery and thoracic aorta or bronchial artery and intrapleural cavity respectevely on central pulmonary carcinomas complicating with metastasis in lung 15 cases, complete atelectasis 15 cases or ipsilateral hydrothorax 15 cases. Results: 7 cases were complete relaxed (CR15.6%); 13 partial relax ed (PR28.9%); 20 nochange (44. 4% ); 5 enlarged (11.1% ). Conclusion: The results showed this method is some what egnal to or ever in some aspects, prevalent over that of systematic chemotherapy theretore provides new scientific method for thel treatment of pulmonary carcinoma Type PT4.