Cystic dystrophy of duodenal wall, pancreatic hamartoma of duodenal wall, periampullary duodenal wall cyst
Definitions
Rare form of chronic pancreatitis affecting pancreaticoduodenal groove
Pure form: Affects only pancreaticoduodenal groove
Segmental form: Affects pancreaticoduodenal groove and extends medially into pancreatic head
Pancreatic groove is theoretical space defined by pancreatic head (medially), 2nd portion of duodenum (laterally), 3rd portion of duodenum and inferior vena cava (posteriorly), and duodenal bulb (superiorly)
Contains distal common bile duct (CBD), main/accessory pancreatic ducts, and major/minor papilla
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Ooka K et al: Groove pancreatitis has a spectrum of severity and can be managed conservatively. Pancreatology. 21(1):81-8, 2020
Patel BN et al: Groove pancreatitis: a clinical and imaging overview. Abdom Radiol (NY). 45(5):1439-46, 2020
Addeo G et al: Groove pancreatitis: a challenging imaging diagnosis. Gland Surg. 8(Suppl 3):S178-87, 2019
Jun JH et al: Comparison between groove carcinoma and groove pancreatitis. Pancreatology. 18(7):805-11, 2018
Shin LK et al: Multidetector CT imaging of the pancreatic groove: differentiating carcinomas from paraduodenal pancreatitis. Clin Imaging. 40(6):1246-52, 2016
Gupta R et al: Groove pancreatitis: a common condition that is uncommonly diagnosed preoperatively. Can J Gastroenterol Hepatol. 28(4):181-2, 2014
Raman SP et al: Groove pancreatitis: spectrum of imaging findings and radiology-pathology correlation. AJR Am J Roentgenol. 201(1):W29-39, 2013
Kim JD et al: Characteristic clinical and pathologic features for preoperative diagnosed groove pancreatitis. J Korean Surg Soc. 80(5):342-7, 2011
Malde DJ et al: Pancreatic carcinoma masquerading as groove pancreatitis: case report and review of literature. JOP. 12(6):598-602, 2011
Manzelli A et al: Groove pancreatitis. A mini-series report and review of the literature. JOP. 12(3):230-3, 2011
Wronski M et al: Sonographic findings in groove pancreatitis. J Ultrasound Med. 30(1):111-5, 2011
Blasbalg R et al: MRI features of groove pancreatitis. AJR Am J Roentgenol. 189(1):73-80, 2007
Chatelain D et al: Groove pancreatitis and pancreatic heterotopia in the minor duodenal papilla. Pancreas. 30(4):e92-5, 2005
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Terminology
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TERMINOLOGY
Synonyms
Cystic dystrophy of duodenal wall, pancreatic hamartoma of duodenal wall, periampullary duodenal wall cyst
Definitions
Rare form of chronic pancreatitis affecting pancreaticoduodenal groove
Pure form: Affects only pancreaticoduodenal groove
Segmental form: Affects pancreaticoduodenal groove and extends medially into pancreatic head
Pancreatic groove is theoretical space defined by pancreatic head (medially), 2nd portion of duodenum (laterally), 3rd portion of duodenum and inferior vena cava (posteriorly), and duodenal bulb (superiorly)
Contains distal common bile duct (CBD), main/accessory pancreatic ducts, and major/minor papilla
IMAGING
General Features
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
Selected References
Ooka K et al: Groove pancreatitis has a spectrum of severity and can be managed conservatively. Pancreatology. 21(1):81-8, 2020
Patel BN et al: Groove pancreatitis: a clinical and imaging overview. Abdom Radiol (NY). 45(5):1439-46, 2020
Addeo G et al: Groove pancreatitis: a challenging imaging diagnosis. Gland Surg. 8(Suppl 3):S178-87, 2019
Jun JH et al: Comparison between groove carcinoma and groove pancreatitis. Pancreatology. 18(7):805-11, 2018
Shin LK et al: Multidetector CT imaging of the pancreatic groove: differentiating carcinomas from paraduodenal pancreatitis. Clin Imaging. 40(6):1246-52, 2016
Gupta R et al: Groove pancreatitis: a common condition that is uncommonly diagnosed preoperatively. Can J Gastroenterol Hepatol. 28(4):181-2, 2014
Raman SP et al: Groove pancreatitis: spectrum of imaging findings and radiology-pathology correlation. AJR Am J Roentgenol. 201(1):W29-39, 2013
Kim JD et al: Characteristic clinical and pathologic features for preoperative diagnosed groove pancreatitis. J Korean Surg Soc. 80(5):342-7, 2011
Malde DJ et al: Pancreatic carcinoma masquerading as groove pancreatitis: case report and review of literature. JOP. 12(6):598-602, 2011
Manzelli A et al: Groove pancreatitis. A mini-series report and review of the literature. JOP. 12(3):230-3, 2011
Wronski M et al: Sonographic findings in groove pancreatitis. J Ultrasound Med. 30(1):111-5, 2011
Blasbalg R et al: MRI features of groove pancreatitis. AJR Am J Roentgenol. 189(1):73-80, 2007
Chatelain D et al: Groove pancreatitis and pancreatic heterotopia in the minor duodenal papilla. Pancreas. 30(4):e92-5, 2005
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