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  • Title: The CT findings of pulmonary sarcoidosis.
    Author: Hashimoto M, Watanabe O, Sato K, Endo K, Heianna J, Itoh I, Watarai J.
    Journal: Tohoku J Exp Med; 1996 Aug; 179(4):259-66. PubMed ID: 8944427.
    Abstract:
    We analyzed the CT findings in 35 patients with pulmonary sarcoidosis. Twenty-seven patients had biopsy-proven sarcoidosis; in eight patients the diagnosis was made clinically. In all the 35 patients, 10-mm collimation scans were available. In seven patients, high-resolution CT was also obtained. Twenty-eight patients had lymphadenopathy associated with pulmonary infiltration, two patients had pulmonary infiltration without lymphadenpathy, five patients had lymphadenopathy alone. The most frequent parenchymal features on CT were small nodules (100%) and irregularly thickened bronchovascular bundle (90%). Other frequent CT findings were pleural or subpleural thickening (83%), septal lines (73%) and ground-glass attenuation (63%). In all cases, small nodules were associated with other lesions. The authors conclude that in patients with sarcoidosis, CT is a valuable technique to visualize the findings in the pulmonary parenchyma characteristic enough to allow confident diagnosis. While high-resolution CT is superior in the assessment of linear opacities and cysts, conventional CT is superior in demonstrating small nodular opacities. We believe that both should be combined in the examination of patients with sarcoidosis.
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