Carcinoid syndrome MRI
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2]
Overview
On abdominal MRI, carcinoid tumor is characterized by nodular mass originating from the bowel wall or regional uniform bowel wall thickening with moderate intense enhancement on postgadolinium T1-weighted fat-suppressed images. Abdominal MRI scan may be performed to detect metastases of carcinoid syndrome to liver and mesentery.
MRI
On abdominal MRI, carcinoid syndrome is characterized by:[1]
- Nodular mass originating from the bowel wall or regional uniform bowel wall thickening with moderate intense enhancement on post-gadolinium T1-weighted fat-suppressed images.
- Mesenteric metastases presented as nodular masses with mesenteric stranding.
- Liver metastases may show hypointense precontrast T1- and hyperintense T2-weighted images.
- Liver metastases are commonly hypervascular.
References
- ↑ Bader TR, Semelka RC, Chiu VC, Armao DM, Woosley JT (2001). "MRI of carcinoid tumors: spectrum of appearances in the gastrointestinal tract and liver". J Magn Reson Imaging. 14 (3): 261–9. PMID 11536403.