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2017 ; 2017
(ä): 2403012
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Contrast-Enhanced Magnetic Resonance Cholangiography: Practical Tips and Clinical
Indications for Biliary Disease Management
#MMPMID28348578
Palmucci S
; Roccasalva F
; Piccoli M
; Fuccio Sanzą G
; Foti PV
; Ragozzino A
; Milone P
; Ettorre GC
Gastroenterol Res Pract
2017[]; 2017
(ä): 2403012
PMID28348578
show ga
Since its introduction, MRCP has been improved over the years due to the
introduction of several technical advances and innovations. It consists of a
noninvasive method for biliary tree representation, based on heavily T2-weighted
images. Conventionally, its protocol includes two-dimensional single-shot fast
spin-echo images, acquired with thin sections or with multiple thick slabs. In
recent years, three-dimensional T2-weighted fast-recovery fast spin-echo images
have been added to the conventional protocol, increasing the possibility of
biliary anatomy demonstration and leading to a significant benefit over
conventional 2D imaging. A significant innovation has been reached with the
introduction of hepatobiliary contrasts, represented by gadoxetic acid and
gadobenate dimeglumine: they are excreted into the bile canaliculi, allowing the
opacification of the biliary tree. Recently, 3D interpolated T1-weighted spoiled
gradient echo images have been proposed for the evaluation of the biliary tree,
obtaining images after hepatobiliary contrast agent administration. Thus, the
acquisition of these excretory phases improves the diagnostic capability of
conventional MRCP-based on T2 acquisitions. In this paper, technical features of
contrast-enhanced magnetic resonance cholangiography are briefly discussed; main
diagnostic tips of hepatobiliary phase are showed, emphasizing the benefit of
enhanced cholangiography in comparison with conventional MRCP.