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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: Abdom Imaging. 2015 Jun;40(5):1121–1130. doi: 10.1007/s00261-014-0322-7

Fig. 6.

Fig. 6

42-year-old woman with severe epigastric pain and vomiting and well-differentiated neuroendocrine neoplasm. Axial CT images in the arterial (A) and venous (B) phases show a well-circumscribed polypoid intraluminal mass in the duodenum (arrows). Hounsfield unit (HU) measurement in the lesion increased from 71 HU in the arterial phase to 112 HU in the venous phase (not shown). There was no evidence of metastatic disease. The presence of an enhancing mass may be sufficient for suggestion of a pre-operative diagnosis of carcinoid tumor.