Intra and Extrahepatic Cholangiocarcinoma – Appearances and Differentiation from Benign Pathologies

Q: What does this research mean for the field?

Advanced imaging techniques, including multiphasic CT, MRI, and emerging AI-driven radiomics, are critical for accurately diagnosing, staging, and determining the molecular and prognostic profiles of cholangiocarcinoma. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

S.M. Gowtham; Kasi Venkatesh; R. Sriman; Priyamvadha Rajshree Selvaraju; S. Harish Kumar; Kannan Gunasekaran

doi:10.1055/s-0046-1825784

August 26, 2026Journal of Gastrointestinal and Abdominal RadiologyOpen Access

Intra and Extrahepatic Cholangiocarcinoma – Appearances and Differentiation from Benign Pathologies

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Key Points

To review the imaging characteristics, staging, and differential diagnosis of intrahepatic and extrahepatic cholangiocarcinoma across CT and MRI modalities.
Synthesized diagnostic literature on multiphasic CT and MRI appearances differentiating cholangiocarcinoma from benign and malignant mimics.
Evaluated imaging phenotypes associated with specific molecular subtypes alongside emerging radiomics and artificial intelligence applications.
Multiphasic CT and MRI protocols provide crucial morphological and contrast enhancement patterns necessary for accurate tumor staging and surgical operability assessment.
Imaging phenotypes correlate with specific tumor molecular profiles, providing noninvasive prognostic stratification to inform targeted therapeutic strategies.
Radiomics and artificial intelligence algorithms demonstrate emerging utility in refining staging precision, diagnostic sensitivity, and overall clinical prognosis.

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Implication

Comprehensive review highlights CT and MRI features distinguishing cholangiocarcinoma from benign mimics, suggesting enhanced precision in surgical planning and targeted therapy.

Abstract

The article aims to provide a comprehensive review of imaging in cholangiocarcinoma (CCA), focusing on its classification, imaging characteristics, and differentiation from benign and malignant mimics. It highlights key multiphasic CT and MRI features essential for accurate diagnosis, staging, and surgical planning. The review also discusses the correlation between imaging phenotypes and molecular subtypes, emphasizing their prognostic implications and relevance for targeted therapies. Additionally, it addresses emerging roles of radiomics and artificial intelligence in improving diagnostic accuracy, staging precision, and prognosis prediction in CCA management.

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Gowtham et al. (2026) studied this question.

synapsesocial.com/papers/6a91465ad15324a1df3a9e90 https://doi.org/10.1055/s-0046-1825784

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Intra and Extrahepatic Cholangiocarcinoma – Appearances and Differentiation from Benign Pathologies

Key Points

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Abstract

Discussion

Cite This Study

Intra and Extrahepatic Cholangiocarcinoma – Appearances and Differentiation from Benign Pathologies

Key Points

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Implication

Abstract

Discussion

Cite This Study

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