Neuro-endocrine carcinoma

Fig. 3.4a,b. MDCT in the late arterial (a) and portal venous phase (b) in a male patient suffering from a neuro-endocrine carcinoma with liver metastases (arrows). Note the strong wash-out of the metastases to nearly isointensity, so that even the larger lesions can retrospectively not be properly detected in the portal venous phase in contrast to the excellent conspicuity of the lesions in the arterial phase. This example strikingly demonstrates the importance of a correctly timed late arterial phase... 

Fig. 3.43. Metastases of a neuro-endocrine carcinoma to the gastric body. Note the bulls eye -type lesions which are similar to nonpigmented melanoma deposits...

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