Abstract
Purpose of Review
Cholangiocarcinoma is a rare biliary adenocarcinoma associated with poor outcomes. Cholangiocarcinoma is subdivided into extrahepatic and intrahepatic variants. Intrahepatic cholangiocarcinoma is then further differentiated into (1) peripheral mass-forming tumors and (2) central periductal infiltrating tumors. We aimed to review the currently known risk factors, diagnostic tools, and treatment options, as well as highlight the need for further clinical trials and research to improve overall survival rates.
Recent Findings
Cholangiocarcinoma has seen significant increase in incidence rates over the last several decades. Most patients do not carry the documented risk factors, which include infections and inflammatory conditions, but cholangiocarcinoma typically forms in the setting of cholestasis and chronic inflammation. Management strategies include multispecialty treatments, with consideration of surgical resection, systemic chemotherapy, and targeted radiation therapy. Surgically resectable disease is the only curable treatment option, which may involve liver transplantation in certain selected cases. Referrals to centers of excellence, along with enrollment in novel clinical trials are recommended for patients with unresectable or recurrent disease.
Summary
This article provides an overview of cholangiocarcinoma and discusses the current diagnosis and treatment options. While incidence is increasing and more risk factors are being discovered, much more work remains to improve outcomes of this ominous disease.
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Acknowledgements
We appreciate the assistance of Andrew Bowman, MD PhD – Department of Radiology, Mayo Clinic for providing the Fig. 2 images.
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Bryan Doherty and William Palmer declare no conflict of interest.
Vinod Nambudiri receives textbook royalties from McGraw Hill.
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Doherty, B., Nambudiri, V.E. & Palmer, W.C. Update on the Diagnosis and Treatment of Cholangiocarcinoma. Curr Gastroenterol Rep 19, 2 (2017). https://doi.org/10.1007/s11894-017-0542-4
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DOI: https://doi.org/10.1007/s11894-017-0542-4