Diagnostic problems of cancer of the lung.

摘要: There are three techniques of primary significance to the diagnostic problems cancer lung. Roentgenologic evidence is suggestive but not conclusive unless confirmed by other means. Because pulmonary masquerades, morphologic proof needed. In some cases bronchoscopy can provide proof, its usefulness limited lesions in major bronchi. For third technique, cytologic study, be effective, apparently it necessary only that there a free passageway between trachea and tumor body. Cytologic studies were carried out 2,066 all types diseases chest. 241 these bronchogenic carcinoma was proved one means or another; presence diagnosed methods 55 per cent cases. When five specimens sputum from each patient examined, efficiency technique rose 90 cent. Wider application this simple relatively inexpensive may greatly aid solution cancer.