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J Comput Assist Tomogr ; 7(3): 407-10, 1983 Jun.
Article in English | MEDLINE | ID: mdl-6841700

ABSTRACT

Mean lung density (MLD), as determined by a chest computed tomographic sector method, was evaluated in 12 patients with sarcoidosis and diffuse interstitial lung disease. The results demonstrate that MLD in sarcoidosis was -610.9 +/- 57.3 Hounsfield units (HU), significantly different (p less than 0.001) from a control group MLD of -748.1 +/- 31.9 HU. There was also a significant inverse correlation between the forced vital capacity and total lung capacity in the sarcoidosis group. Our data suggest that a major factor determining MLD in a diffuse interstitial process such as sarcoidosis is pulmonary gas volume.


Subject(s)
Absorptiometry, Photon , Lung Diseases/diagnostic imaging , Sarcoidosis/diagnostic imaging , Tomography, X-Ray Computed , Adult , Humans , Lung/diagnostic imaging , Middle Aged , Pulmonary Fibrosis/diagnostic imaging , Vital Capacity
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