Multiplane gallium tomography in assessment of occupational chest diseases

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Abstract
Gallium‐67 scintigraphy is helpful in the evaluation of inflammatory, respiratory diseases. Single‐photon emission computed tomography (SPECT) provides three‐dimensional tomographic reconstruction of radioisotope distribution in the body. The addition of SPECT to gallium‐67 scanning in 27 patients demonstrated an improvement in the sensitivity for detecting the presence and extent of interstitial occupational lung disease. This technique may provide earlier detection of parenchymal lung changes than can the chest x‐ray and planar scanning in some patients with asbestosis. Findings in six patients with asbestosis are reported.