Posted in Gastroenterology on April 28, 2014 by m.khodeer

Widened Duodenal C-loop
Duodenal- Mass Effect
- DDX: normal variant, pancreatitis/pseudocyst, pancreatic mass, LN enlargement of messentery, AAA, choledochal cyst, retroperitoneal mass
- Spiculation suggest pancreatic cancer vs. chronic pancreatitis
- the sweep can appear widened in an obese patient
Example of widened c-loop in pancreatic cancer
Duke DDX Thickened Duodenal Folds
- Inflammatory – peptic duodentitis(most common cause), ZE, pancreatitis, cholecystitis, Crohn, infective(TB parasites, cryptosporidia in AIDS)
- Neoplastic
- Infiltrative – Whipple’s, amyloid, EG
- Vascular – intramural hematoma, ischemia, varices
- Edema – hypoproteinemia, portal HTN, CHF
Small Bowel
Duke Notes
Normal anatomy
Caliber - < 3cm(allow +1 for enteroclysis)
Wall thickness 1mm
Folds/inch – jejunum 4-7, ileum 2-4
Tags Duke diagnosis of thickened duodenal Folds, widened duodenal C-loop