2015
DOI: 10.1007/s00261-015-0445-5
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Intrahepatic mass-forming cholangiocarcinoma: enhancement pattern on Gd-BOPTA-MRI with emphasis of hepatobiliary phase

Abstract: Gd-BOPTA MRI pattern of IMC on dynamic study is similar to that of conventional extracellular agents, that is peripheral enhancement with progressive and concentric filling of contrast material on delayed phases. At 10-15 min delayed phases, IMC shows often a peripheral hypointense rim consistent with a target appearance. In the HBP, due to progressive central enhancement (cloud) and peripheral hypointense rim, an higher number of tumors show a target appearance; this pattern is not specific and would also be … Show more

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Cited by 25 publications
(20 citation statements)
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“…Intrahepatic masses of cholangiocarcinoma are rich in brous tissue at the lesion center, with fewer peripheral bers, and they often manifest with progressive and centripetal enhancement. Three typical enhancements have been reported [23]: 1) edge enhancement during the arterial phase with delayed lling; 2) heterogeneous enhancement during the early arterial phase with continuous enhancement during the delayed phase; and 3) slight peripheral enhancement during the early arterial phase with an un lled center during the delayed phase. Indirect signs include liver capsule retraction and hepatic vein embedding.…”
Section: Discussionmentioning
confidence: 90%
“…Intrahepatic masses of cholangiocarcinoma are rich in brous tissue at the lesion center, with fewer peripheral bers, and they often manifest with progressive and centripetal enhancement. Three typical enhancements have been reported [23]: 1) edge enhancement during the arterial phase with delayed lling; 2) heterogeneous enhancement during the early arterial phase with continuous enhancement during the delayed phase; and 3) slight peripheral enhancement during the early arterial phase with an un lled center during the delayed phase. Indirect signs include liver capsule retraction and hepatic vein embedding.…”
Section: Discussionmentioning
confidence: 90%
“…The presence of a lesser degree of central hypointensity is thought to be due to extracellular/extravascular contrast retention in the fibrotic stroma rather than active uptake by cellular transporters . Single‐center, retrospective studies report that a targetoid appearance in the TP or HBP can be seen in 42–79% of iCCAs . Additionally, a targetoid appearance on the TP/HBP is an independent predictor of iCCA, and is more common in non‐HCC malignancies than in hypovascular HCCs (86% vs. 17%, respectively) …”
Section: Gadoxetate and Li‐radsmentioning
confidence: 99%
“…118 Singlecenter, retrospective studies report that a targetoid appearance in the TP or HBP can be seen in 42-79% of iCCAs. [118][119][120][121] Additionally, a targetoid appearance on the TP/HBP is an independent predictor of iCCA, and is more common in non-HCC malignancies than in hypovascular HCCs (86% vs. 17%, respectively). 122 ANCILLARY FEATURES FAVORING MALIGNANCY IN GENERAL.…”
Section: Lr-m (Probably or Definitely Malignant Notmentioning
confidence: 99%
“… 26 Mass-forming ICC typically has a diameter of 5–10 cm at the time of diagnosis. 29 , 30 Intraductal ICC is a slowly growing papillary tumor and has a favorable prognosis compared with the other two types. 26 On imaging, it is a 1–2 cm mass within the bile duct with proximal ductal dilatation.…”
Section: Histologymentioning
confidence: 99%