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Fig. 1A —54-year-old woman with neuroendocrine carcinoma of small
bowel. Both observers correctly identified 12-mm metastatic lesion (short
arrow) on all images and detected 4- and 5-mm metastatic lesions
(long arrows, D and E) only with diffusion-weighted
single-shot echo-planar sequence. Small cyst (arrowhead) has markedly
high signal intensity in D that fades out in E, whereas
metastatic lesions retain their high signal intensity. Cyst has high apparent
diffusion coefficient (ADC) and is clearly visible in F, whereas
metastatic lesions have low ADC similar to that of hepatic parenchyma.
T2-weighted fat-suppressed HASTE MR image.
