Imaging of paraduodenal pancreatitis: A systematic review

Table 1 Characteristics of the included studies

Ref.	Year	Journal type	Aim	Inclusion period	Study design	Patients considered for inclusion	Paraduodenal pancreatitis patients included	Limitations
Ishigami et al[17]	2010	Radiological	Differential diagnosis cancer vs paraduodenal pancreatitis	2001-2008	Retrospective, single center	Institutional database search using “groove pancreatitis or groove pancreatic carcinoma” (n = 22)	15	Small population, no clear distinction between computed tomography and magnetic resonance imaging findings
Kalb et al[18]	2013	Radiological	Differential diagnosis cancer vs paraduodenal pancreatitis	2007-2010	Retrospective, single center	Institutional database search using “Whipple and/or pancreatectomy” and diagnosis of cancer or paraduodenal pancreatitis (n = 47)	17	Surgically resected patients only, small population
Zaheer et al[19]	2014	Radiological	Findings description	2002-2013	Retrospective, single center	Patients undergoing pancreaticoduodenectomy and histological paraduodenal pancreatitis diagnosis (n = 12)	12	Surgically resected patients only, small population
Arvanitakis et al[11]	2014	Gastroenterological	Endoscopic and medical management	1995-2010	Retrospective, single center	Institutional database search using “paraduodenal pancreatitis” (n = 51)	51	Poor imaging findings description based on radiological reports
Wagner et al[20]	2015	Radiological	Findings description	"14 yr"	Retrospective, single center	Patients with cystic dystrophy in heterotopic pancreas diagnosis at endoscopic ultrasound (n = 138)	76	Only cystic variant of paraduodenal pancreatitis included
Arora et al[3]	2015	Radiological	Findings description	2010-2014	Retrospective, single center	Patients treated for paraduodenal pancreatitis at gastroenterology or surgical units (n = 33)	33	Poor imaging findings description based on radiological reports, no clear distinction between computed tomography and magnetic resonance imaging findings
Shin et al[21]	2016	Radiological	Differential diagnosis cancer vs paraduodenal pancreatitis	2005-2011	Retrospective, 2 centers	Multidetector computed tomography for pancreas protocols (n = 2561) with groove mass	8	Surgically resected patients only, small population
Boninsegna et al[22]	2017	Radiological	Differential diagnosis cancer vs paraduodenal pancreatitis	2012-2015	Retrospective, single center	Abdominal Magnetic Resonance Imaging with groove mass	28	None
de Pretis et al[2]	2017	Multidisciplinary	Clinical and morphological features	1994-2012	Retrospective, single center	Patients with diagnosis of paraduodenal pancreatitis (n = 120)	120	Poor imaging findings description based on radiological reports, no clear distinction between computed tomography and magnetic resonance imaging findings
Muraki et al[9]	2017	Surgical	Imaging and pathologic correlation	2004-2015	Retrospective, single center	All pancreatic resections	47	Surgically resected patients only, poor imaging findings description, no clear distinction between computed tomography and magnetic resonance imaging findings
Tarvainen et al[16]	2021	Multidisciplinary	Diagnosis, natural course and treatment	2005-2015	Retrospective, multicentric	Institutional database search using “groove and/or paraduodenal” (n = 192)	33	Poor imaging findings description, no clear distinction between computed tomography and magnetic resonance imaging findings
Ooka et al[7]	2021	Gastroenterological	Clinical management	2000-2014	Retrospective, single center	Institutional database search using “groove pancreatitis and/or paraduodenal pancreatitis” (n = 211)	48	No clear distinction between computed tomography and magnetic resonance imaging findings
Değer et al[15]	2022	Surgical	Clinical features and outcome	2013-2019	Retrospective, single center	Institutional database search using “groove and/or paraduodenal” (n = 28)	25	Poor imaging findings description based on radiological reports, no clear distinction between computed tomography and magnetic resonance imaging findings
Kulkarni et al[12]	2022	Radiological	Findings description	2007-2020	Retrospective, single center	Patients with pancreatitis (n = 2120)	30	None