Chronic pancreatitis MRI
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
MRI
- MRI findings may be classified as morphological and functional.
- MRI may help in the diagnosis of a rare form, Groove pancreatitis.[1][2]
1. Morphological findings:
Features of chronic pancreatitis can be divided into early and late findings:
(a) Early findings:
- Low-signal-intensity pancreas on T1-weighted fat-suppressed images
- Decreased and delayed enhancement after IV contrast administration
- Dilated side branches
(b) Late findings:
- Parenchymal atrophy or enlargement
- Pseudocyst formation
- Dilatation and beading of the pancreatic duct often with intraductal calcifications, could give a 'chain of lakes' appearance.
2. Functional findings:
Patient #1
MR demonstrates superior mesenteric vein thrombosis secondary to chronic pancreatitis:
References
- ↑ Balakrishnan V, Chatni S, Radhakrishnan L, Narayanan VA, Nair P (2007). "Groove pancreatitis: a case report and review of literature". JOP. 8 (5): 592–7. PMID 17873465.
- ↑ Blasbalg R, Baroni RH, Costa DN, Machado MC (2007). "MRI features of groove pancreatitis". AJR Am J Roentgenol. 189 (1): 73–80. doi:10.2214/AJR.06.1244. PMID 17579155.