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July 16, 1982

Computed Tomography in Search of Cancer of Unknown Origin

JAMA. 1982;248(3):340-343. doi:10.1001/jama.1982.03330030046024

The use of computed tomographic (CT) body scanning in search of an unknown primary site in metastatic malignant neoplasms in 98 patients is reviewed. A clinically occult tumor was identified in 31 cases. This detection rate is three to four times that of "conventional" radiographic studies. We suggest that CT scanning is a valuable addition to the workup in selected cases of metastatic cancer of unknown origin.

(JAMA 1982;248:340-343)