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2015 ; 94
(41
): e1666
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Comparison of Endoscopic Ultrasonography, Computed Tomography, and Magnetic
Resonance Imaging for Pancreas Cystic Lesions
#MMPMID26469901
Lee YS
; Paik KH
; Kim HW
; Lee JC
; Kim J
; Hwang JH
Medicine (Baltimore)
2015[Oct]; 94
(41
): e1666
PMID26469901
show ga
Consensus regarding which modality is optimal for the measurement of pancreas
cystic lesions (PCLs) was not achieved although cyst size is important for
clinical decisions. This study aimed to evaluate the properties of endoscopic
ultrasonography (EUS) compared with computed tomography (CT) and magnetic
resonance imaging (MRI) in measuring the size of PCL.A total of 34 patients who
underwent all 3 imaging modalities within 3 months before surgery were evaluated
retrospectively. The size measured by each modality was compared with the
pathologic size as a reference standard using Bland-Altman analysis and
intraclass correlation coefficients (ICCs).The mean size difference was 1.76?mm
(ICC 0.86), 7.35?mm (ICC 0.95), and 8.65?mm (ICC 0.93) in EUS, CT, and MRI. EUS
had the widest range of 95% limits of agreement (LOA) (-17.54 to +21.07),
compared with CT (-6.21 to +20.91), and MRI (-6.82 to +24.12). The size by EUS
tended to be read smaller in tail portion, while those by CT and MRI did not.
When the size was more than 4?cm, the size on EUS was estimated to be smaller
than on pathology (r?=?0.492; P?=?0.003).Although 3 modalities showed very good
reliability for the size measurement on PCL compared with corresponding
pathologic size, EUS had the lowest level of agreement, while CT showed the
highest level among the 3 modalities. Therefore, the size estimated by EUS has to
be interpreted with caution, especially when it is located in tail and relevantly
large.