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European Radiology

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01-04-2018 | Hepatobiliary-Pancreas

Morphological classification of intraductal papillary neoplasm of the bile duct

Authors: Shihong Ying, Mingliang Ying, Wenjie Liang, Zhaoming Wang, Qidong Wang, Feng Chen, Wenbo Xiao

Published in: European Radiology | Issue 4/2018

Abstract

Objectives

To investigate the morphological classification of intraductal papillary neoplasm of the bile duct (IPNB), as well as morphological differences between IPNB without mucin secretion (IPNB-NM) and IPNB with mucin secretion (IPMN-B).

Methods

Eighty-one patients with IPNB were retrospectively analysed. Imaging examinations included computed tomography (CT), magnetic resonance imaging (MRI), gadolinium-ethoxybenzyl-diethylenetriaminepentaacetic acid (Gd-EOB-DTPA)-enhanced MRI and positron emission tomography–computed tomography (PET-CT). According to the morphology of tumours and extent of bile duct dilations, IPNB was classified into seven types: I, upstream-ductectatic type; II, typical type; III, superficial-spreading type; IV, no-mass-forming type; V, intrahepatic-cystic type; VI, extrahepatic-cystic type; and VII, infiltrating type.

Results

Thirteen IPNB-NM patients comprised type I (11 cases), type II (1 case) and type VII (1 case); 68 IPMN-B patients comprised type I (2 cases), type II (30 cases), type III (6 cases), type IV (11 cases), type V (13 cases), type VI (2 cases) and type VII (4 cases). Bile duct dilations were more severe in IPMN-B than in IPNB-NM. PET-CT and Gd-EOB-DTPA-enhanced MRI clearly demonstrated the extension of infiltrating IPNB.

Conclusions

IPNB can be classified into seven morphological types. IPNB-NM and IPMN-B have different morphological features.

Key Points

• IPNB can be classified into seven morphological types.

• IPNB-NM and IPMN-B have different morphological features.

• Enhanced CT and MRI can display different types of IPNB.

• Morphological classification of IPNB facilitates management of the disease.

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Title: Morphological classification of intraductal papillary neoplasm of the bile duct
Authors: Shihong Ying
Mingliang Ying
Wenjie Liang
Zhaoming Wang
Qidong Wang
Feng Chen
Wenbo Xiao
Publication date: 01-04-2018
Publisher: Springer Berlin Heidelberg
Published in: European Radiology / Issue 4/2018
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-017-5123-2

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Morphological classification of intraductal papillary neoplasm of the bile duct

Abstract

Objectives

Methods

Results

Conclusions

Key Points

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Objectives

Methods

Results

Conclusions

Key Points

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