CT findings in cerebral metastases.

In a series of 120 patients presenting a CT image of a cerebral tumor metastasis an analysis of 88 verified cases has been performed aiming at a determination of the morphological criteria which might enable us to speculate on the site of the primary lesion. The following properties have been studied: the location, size and shape of the lesions, their number, the extent of the surrounding edema and their postcontrast enhancement. Lung cancer participated as a source in 30.