Uncommon Neoplasms of the Biliary Tract: Radiological Findings

Overview

Journal Br J Radiol

Publisher Oxford University Press

Specialty Radiology

Date 2017 Jul 22

PMID 28731820

Citations 8

Authors

Vincenza Granata

Roberta Fusco Md

Orlando Catalano

Salvatore Filice

Antonio Avallone

Mauro Piccirillo

Maddalena Leongito

Raffaele Palaia

Roberto Grassi

Francesco Izzo

Antonella Petrillo

Affiliations

Soon will be listed here.

Abstract

Objective: To report our cancer centre experience in the biliary tumours incidence other than cholangiocellular-carcinoma, emphasizing the radiological features.

Methods: 197 patients with biliary disease undergoing Gd-EOB-DTPA-enhanced MRI were reviewed. Four radiologists evaluated retrospectively size, structure, anatomical site and signal intensity of lesions on MRI. Enhancement-pattern during the arterial-, portal- and late-phase on ultrasound, CT and MR study was assessed as well as the enhancement pattern during the hepatobiliary-phase on MRI.

Results: 23 patients were selected. The lesion was intraductal in 5 cases, periductal in 14 and intrahepatic in 4. 16 lesions were solid, 5 uniloculated cystic and 2 complex cystic. In five patients the lesion was simple cyst, with a signal intensity in T weighted (T1W) and T weighted (T2W) similar to the gallbladder. In two patients with complex cystic lesion, the solid component was heterogeneously hypointense in T W, hyperintense in T W with a restricted diffusion. The solid component showed heterogeneous contrast-enhancement on CT, MR and ultrasound. The tumour was intrahepatic in two patients, with signal hypointense in T W and hyperintense in T W. Diffusion was restricted. The lesions showed heterogeneous contrast-enhancement. The periductal lesions were hypointense in T W, hyperintense in T W with restricted diffusion. The lesion showed progressive contrast-enhancement. Peribiliary melanoma was hyperintense in T W, hyperintense in T W with restricted diffusion and progressively contrast-enhanced.

Conclusion: Biliary tumours can have a wide spectrum of radiologic appearances and consequently represent a diagnostic challenge for the radiologist. Advances in knowledge: MRI is the technique of choice in diagnosing biliary tumours, including rare (non-CCC) tumours.

Citing Articles

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A case of hepatic intraductal papillary neoplasm of the bile duct.

Mukaida E, Tamura A, Nishiya M, Katoh K, Sugai T, Yoshioka K BJR Case Rep. 2022; 8(1):20210172.

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Radiological assessment of secondary biliary tree lesions: an update.

Granata V, Fusco R, Setola S, Avallone A, Palaia R, Grassi R J Int Med Res. 2020; 48(6):300060519850398.

PMID: 32597280 PMC: 7432986. DOI: 10.1177/0300060519850398.

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