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Chest Tomography by Gamma Camera and External Gamma Source: Concise Communication

National Research Council Clinical Physiology Laboratory and 2nd Medical Clinic of the University of Pisa, Pisa, Italy

Correspondence: For reprints contact: Carlo Giuntini, Laboratory of Clinical Physiology and Second Medical Clinic, University of Pisa, Pisa, Italy.

ABSTRACT

To obtain tomographic images of the chest, we used a large-field gamma camera to detect the 90° scattered radiations (180 keV) from a linear source of Hg-203 (279 keV). The primary beam traveling across the chest is scattered according to the relative density of tissues. Chest sections can be visualized at different depths on frontal and sagittal planes. The resolution of the technic is that of the gamma camera.