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Case Reports
. 2009 Nov;1(6):305-8.

Hepatic metastases of primary jejunal carcinoid tumor: A case report with radiological findings

Serhat Avcu  1 , Ozkan Ozen, Mehmet Deniz Bulut, Aydın Bora
Affiliations
Case Reports

Hepatic metastases of primary jejunal carcinoid tumor: A case report with radiological findings

Serhat Avcu et al. N Am J Med Sci. 2009 Nov.

Abstract

Context: Carcinoid tumors represent a group of well-differentiated tumors originating from the diffuse endocrine system outside the pancreas and thyroid. The overall prevalence of carcinoid tumors in the United States is estimated to be one to two cases per 100,000 persons. Various sites of origin of this neoplasm are appendix - 30-45%, small bowel - 25-35% (duodenum 2%, jejunum 7%, ileum 91%, multiple sites 15-35%), rectum 10-15%, caecum - 5%, and stomach - 0.5%. Liver metastases from jejunal and ileal carcinoids are generally hypervascular.

Case report: Here we report a case of primary jejunal carcinoid tumor in a 66-year-old woman metastasizing to liver with ultrasonography, computed tomography, and diffusion-weighted magnetic resonance imaging (DWI) findings.

Conclusion: Primary jejunal carcinoid tumor is a rare entity. DWI can help in the differential diagnosis of hepatic hypervascular metastatic mass lesions from benign ones, as well as in the diagnosis of carcinoid tumor.

Keywords: Carcinoid; diffusion weighted MRI; jejunum; metastases; small bowel.

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Figures

Fig. 1
Fig. 1
Pre (a) and post contrast (b) CT images reveal peripherally enhancing liver masses (stars) with central necrotic areas.
Fig. 2
Fig. 2
Abdominal contrast enhanced CT images reveal heterogeneously enhancing proximal jejunal mass (carcinoid tumor, arrows) with central calcifications.
Fig. 3
Fig. 3
The metastatic liver lesions (stars) and the primary jejunal carcinoid tumor (arrow) show restriction (hyperintense signal) on diffusion-weighted magnetic resonance imaging.
See this image and copyright information in PMC

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