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Chest, Vol 82, 69-75, Copyright © 1982 by American College of Chest Physicians

ARTICLES

Computed tomography vs standard radiology in the evaluation of mediastinal adenopathy

GD Moak, EM Cockerill, MO Farber, PB Yaw and F Manfredi

The value of computed tomography (CT) compared with standard radiology (SR) in the evaluation of mediastinal nodes has not been clearly defined. We compared SR and CT findings with the surgical-pathologic observations in a prospective study of 51 mediastinal nodes in 59 patients, 41 with bronchogenic carcinoma and 18 with benign lung lesions. CT was characterized by a low overall accuracy (true positivity plus true negativity = 60 percent) due to the false positivity (6 percent) and, to a much greater extent, the false negativity (51 percent). The pattern was the same in the malignant and in the benign group. In all instances CT findings were statistically the same as SR findings. We conclude that mediastinal CT provides no advantage over SR. Thus, SR alone is sufficient to select the surgical procedure of choice for evaluating mediastinal nodes, and no radiologic modality should replace surgical exploration in staging mediastinal nodal pathology.


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Copyright © 1982 by the American College of Chest Physicians.