TY  - JOUR
TI  - Agreement among Magnetic Resonance Imaging/Magnetic Resonance Cholangiopancreatography (MRI-MRCP) and Endoscopic Ultrasound (EUS) in the evaluation of morphological features of Branch Duct Intraductal Papillary Mucinous Neoplasm (BD-IPMN)
SP  - 170
N2  - Background/objectives:
To evaluate the agreement between the imaging modalities MRI-MRCP and EUS in cystic lesions of the pancreas which were thought to be a BD-IPMN.

Methods:
Multicenter retrospective study included all patients between 2010 and 2015 with a suspected BD-IPMN who underwent an EUS and MRI-MRCP within 6 months or less of each other. Location, number, size, worrisome features and high-risk stigmata were evaluated. Interobserver agreement was evaluated by Kappa score.

Results
173 patients were included (97 UHSC, 76 UCLH-RFH), mean age 65 (range 25?87 years), 66 males. When comparing both modalities there was good agreement for the location of the cyst. The median lesion size was larger by MRI-MRCP than EUS although it was not significant. With regards to worrisome features, there was moderate agreement for main PD of 5?9?mm and abrupt change (k?=?0.45 and 0.52). Fair agreement was seen for the cyst wall thickening (k?=?0.25). No agreement was seen between the presence of non-enhanced mural nodules or lymphadenopathy (k?<?0). With regards to high-risk stigmata, poor agreement was obtained for the detection of an enhanced solid component (k?=?0.12). No agreement was observed for main PD?>?10?mm?(k?<?0).

Conclusions
In this multicentre study of patients with a BD-IPMN under active surveillance, most disagreement between these modalities was seen in the proximal pancreas. There was generally only minimal concordance between the imaging findings of EUS and MRI-MRCP for the detection of high-risk stigmata and worrisome features.
UR  - https://doi.org/10.1016/j.pan.2018.01.002
Y1  - 2018/01/04/
A1  - Uribarri-Gonzalez, L
A1  - Keane, MG
A1  - Pereira, SP
A1  - Iglesias-Garcia, J
A1  - Enrique Dominguez-Munoz, J
A1  - Larino-Noia, J
JF  - Pancreatology
SN  - 1424-3911
VL  - 18
PB  - ELSEVIER SCIENCE BV
IS  - 2
AV  - public
ID  - discovery10046226
N1  - This version is the author accepted manuscript. For information on re-use, please refer to the publisher?s terms and conditions.
EP  - 175
ER  -