FIG 2. Images obtained in a 45-year-old-woman with breast cancer. The conspicuity, extension, and contrast enhancement of the lesions are superior on the postcontrast FLAIR image (C) than on the postcontrast T1W image (A). The leptomeningeal enhancement of frontal lobes (white arrow) is not conspicuous in A as compared with C. For this patient, T1W imaging was performed as the second postcontrast sequence.

A, Contrast-enhanced T1W image shows abnormal enhancement in the basal cisterns (arrow) and leptomeninges consistent with metastases.

B, Nonenhanced FLAIR image.

C, Contrast-enhanced FLAIR image also shows the abnormal enhancement of the leptomeninges (white arrow) and basal cisterns (black arrow).