Cystic dystrophy of the duodenal wall is not always associated with chronic pancreatitis

Table 3 Epidemiological and clinical characteristics of patients in the 18 retrospective studies involving patients with a benign cystic duodenal wall (continues from Table 2) n (%)

Author[Ref.] yr	Imaging	Duodenal findings	CBD stenosis	Duodenal stenosis
Stolte et al[7] 1982	NR	Brunner hyperplasia in 25	15 (50.0)	NR
Yamaguchi et al[10] 1992	US, CT, ERCP, PTC	Edema and nodular appearance; Brunner hyperplasia	4 (50.0)	5 (62.5)
Fléjou et al[11] 1993	ERCP, EUS	Edema and congestion of the mucosa	0	7 (70.0)
Itoh et al[12] 1994	CT	NR	NR	NR
Fékété et al[13] 1996	CT, ERCP, EUS	Edema and congestion of the mucosa	0	5 (83.3)
Procacci et al[16] 1997	CT, ERCP, EUS	Inflammation in 8	2 (20.0)	2 (20.0)
Irie et al[18] 1998	MRI	Brunner hyperplasia in 3	2 (40.0)	3 (60.0)
Vullierme et al[23] 2000	CT	NR	3 (15.0)	20 (100)
Aoun et al[81] 2005	US, CT, ERCP, EUS	NR	4 (100)	NR
Pessaux et al[36] 2006	US, EUS, CT, ERCP, MRI	NR	NR	NR
Jouannaud et al[37] 2006	EUS, CT	Inflammation in 3	NR	8 (34.8)
Tison et al[39] 2007	US, CT, MRI, angiography	Non specific inflammation in 9	5 (55.6)	9 (100)
Rebours et al[40] 2007	CT, EUS	Brunner hyperplasia in 61	26 (24.8)	50 (47.6)
Rahman et al[46] 2007	CT, MRI, EUS	Brunner hyperplasia	0	5 (45.5)
Castell-Monsalve et al[47] 2008	MRI, EUS	Duodenal stenosis in 3	3 (60.0)	3 (60.0)
Jovanovic et al[52] 2008	US, CT, MRI, EUS	NR	6 (46.2)	NR
Casetti et al[63] 2009	US, CT, MRI, EUS	NR	3 (5.2)	NR
Ishigami et al[6] 2010	CT, MRI	NR	9 (60.0)	NR
Overall	-	-	82/309	117/212
			(26.50)	(55.20)

CBD: Common bile duct; NR: Not reported; US: Transabdominal ultrasonography; CT: Computer tomography; MRI: Magnetic resonance imaging; EUS: Endoscopic ultrasonography; ERCP: Endoscopic retrograde cholangiopancreatography; PTC: Percutaneous transhepatic cholangiography.