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Fig. 4A. 70-year-old woman with complicated cyst of lower third of kidney.
Note that another cyst (open arrows) with blood content is present on
upper pole; this cyst was not included in quantitative study. Coronal
unenhanced gradient-echo fast low-angle shot (FLASH) T1-weighted MR image with
fat suppression (TR/TE, 120/6.5; flip angle, 70°) shows inhomogeneous
signal intensity of lesion (solid arrow), which is indistinguishable
from a solid lesion.