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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Definitions
- Congenital anomaly resulting in pancreatic tissue partially or completely encircling descending portion of duodenum
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Jovani M et al: Annular pancreas. Clin Gastroenterol Hepatol. 18(7):A26, 2020
- Wood CG et al: Pancreatitis in the developmentally anomalous pancreas. Abdom Radiol (NY). 45(5):1316-23, 2020
- Piglia EBMD et al: The main radiologic findings in annular pancreas. Radiol Bras. 52(4):275-6, 2019
- Türkvatan A et al: Congenital variants and anomalies of the pancreas and pancreatic duct: imaging by magnetic resonance cholangiopancreaticography and multidetector computed tomography. Korean J Radiol. 14(6):905-13, 2013
- Jarry J et al: Annular pancreas: a rare cause of acute pancreatitis. JOP. 12(2):155-7, 2011
- Lee NK et al: Complications of congenital and developmental abnormalities of the gastrointestinal tract in adolescents and adults: evaluation with multimodality imaging. Radiographics. 30(6):1489-507, 2010
- Sandrasegaran K et al: Annular pancreas in adults. AJR Am J Roentgenol. 193(2):455-60, 2009
- Mortelé KJ et al: Multimodality imaging of pancreatic and biliary congenital anomalies. Radiographics. 26(3):715-31, 2006
- Yamaguchi Y et al: Annular pancreas complicated by carcinoma of the bile duct: diagnosis by MR cholangiopancreatography and endoscopic ultrasonography. Abdom Imaging. 28(3):381-3, 2003
- Benya EC: Pancreas and biliary system: imaging of developmental anomalies and diseases unique to children. Radiol Clin North Am. 40(6):1355-62, 2002
- McCollum MO et al: Annular pancreas and duodenal stenosis. J Pediatr Surg. 37(12):1776-7, 2002
- Shan YS et al: Annular pancreas with obstructive jaundice: beware of underlying neoplasm. Pancreas. 25(3):314-6, 2002
- Jayaraman MV et al: CT of the duodenum: an overlooked segment gets its due. Radiographics. 21 Spec No:S147-60, 2001
- Kamisawa T et al: A new embryologic hypothesis of annular pancreas. Hepatogastroenterology. 48(37):277-8, 2001
- Berrocal T et al: Congenital anomalies of the upper gastrointestinal tract. Radiographics. 19(4):855-72, 1999
- Fulcher AS et al: MR pancreatography: a useful tool for evaluating pancreatic disorders. Radiographics. 19(1):5-24; discussion 41-4; quiz 148-9, 1999
- Jadvar H et al: Annular pancreas in adults: imaging features in seven patients. Abdom Imaging. 24(2):174-7, 1999
- Weiss H et al: Ultrasonography of fetal annular pancreas. Obstet Gynecol. 94(5 Pt 2):852, 1999
- Lecesne R et al: MR cholangiopancreatography of annular pancreas. J Comput Assist Tomogr. 22(1):85-6, 1998
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References
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Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Definitions
- Congenital anomaly resulting in pancreatic tissue partially or completely encircling descending portion of duodenum
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Angiographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
- Jovani M et al: Annular pancreas. Clin Gastroenterol Hepatol. 18(7):A26, 2020
- Wood CG et al: Pancreatitis in the developmentally anomalous pancreas. Abdom Radiol (NY). 45(5):1316-23, 2020
- Piglia EBMD et al: The main radiologic findings in annular pancreas. Radiol Bras. 52(4):275-6, 2019
- Türkvatan A et al: Congenital variants and anomalies of the pancreas and pancreatic duct: imaging by magnetic resonance cholangiopancreaticography and multidetector computed tomography. Korean J Radiol. 14(6):905-13, 2013
- Jarry J et al: Annular pancreas: a rare cause of acute pancreatitis. JOP. 12(2):155-7, 2011
- Lee NK et al: Complications of congenital and developmental abnormalities of the gastrointestinal tract in adolescents and adults: evaluation with multimodality imaging. Radiographics. 30(6):1489-507, 2010
- Sandrasegaran K et al: Annular pancreas in adults. AJR Am J Roentgenol. 193(2):455-60, 2009
- Mortelé KJ et al: Multimodality imaging of pancreatic and biliary congenital anomalies. Radiographics. 26(3):715-31, 2006
- Yamaguchi Y et al: Annular pancreas complicated by carcinoma of the bile duct: diagnosis by MR cholangiopancreatography and endoscopic ultrasonography. Abdom Imaging. 28(3):381-3, 2003
- Benya EC: Pancreas and biliary system: imaging of developmental anomalies and diseases unique to children. Radiol Clin North Am. 40(6):1355-62, 2002
- McCollum MO et al: Annular pancreas and duodenal stenosis. J Pediatr Surg. 37(12):1776-7, 2002
- Shan YS et al: Annular pancreas with obstructive jaundice: beware of underlying neoplasm. Pancreas. 25(3):314-6, 2002
- Jayaraman MV et al: CT of the duodenum: an overlooked segment gets its due. Radiographics. 21 Spec No:S147-60, 2001
- Kamisawa T et al: A new embryologic hypothesis of annular pancreas. Hepatogastroenterology. 48(37):277-8, 2001
- Berrocal T et al: Congenital anomalies of the upper gastrointestinal tract. Radiographics. 19(4):855-72, 1999
- Fulcher AS et al: MR pancreatography: a useful tool for evaluating pancreatic disorders. Radiographics. 19(1):5-24; discussion 41-4; quiz 148-9, 1999
- Jadvar H et al: Annular pancreas in adults: imaging features in seven patients. Abdom Imaging. 24(2):174-7, 1999
- Weiss H et al: Ultrasonography of fetal annular pancreas. Obstet Gynecol. 94(5 Pt 2):852, 1999
- Lecesne R et al: MR cholangiopancreatography of annular pancreas. J Comput Assist Tomogr. 22(1):85-6, 1998
