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Thoracic Radiology: The Past 50 Years¹

¹ From the Department of Radiology, SUNY Health Science Center at Syracuse, 750 E Adams St, Syracuse, NY 13210. Received August 10, 1999; revision requested September 1; revision received October 20; accepted October 20. Address reprint requests to the author.

View larger version (44K): [in a new window]   Figure 1. Picker field unit in use. This versatile portable x-ray machine was used exclusively in all theaters in World War II. (Reprinted, with permission, from reference 1.)

View larger version (155K): [in a new window]   Figure 2. Roentgen kymogram. The amplitude of normal cardiac pulsations is clearly depicted. (Reprinted, with permission, from reference 12.)

View larger version (178K): [in a new window]   Figure 3. Left posterior oblique bronchogram. This bronchogram shows bronchiectasis (arrowheads) of left lower lobe bronchi.

View larger version (24K): [in a new window]   Figure 4. Conventional (analog) tomography. Diagram shows motion of the tube and film about a fixed fulcrum. A = x-ray tube, B = film tray, C = connecting lever rod, D = adjustable fulcrum. (Reprinted from reference 16.)

View larger version (29K): [in a new window]   Figure 5. Diagram of transverse tomography, an early forerunner of CT. The x-ray tube remained stationary while both the seated patient and the film rotated in synchrony. (Reprinted, with permission, from reference 15.)

View larger version (115K): [in a new window]   Figure 6. Anteroposterior conventional tomogram. A mass (arrowhead) in the right main bronchus occludes the right upper lobe bronchus. The lesion proved to be a primary squamous cell carcinoma of the bronchus.

View larger version (169K): [in a new window]   Figure 7. Right posterior 55° oblique tomogram. Note the central right bronchi (arrowheads) "laid out" in profile. 1 = main bronchus, 2 = upper lobe bronchus, 3 = bronchus intermedius, 4 = middle lobe bronchus.