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Gupta A, Kurzrock R, Adashek JJ. Evolution of the Targeted Therapy Landscape for Cholangiocarcinoma: Is Cholangiocarcinoma the 'NSCLC' of GI Oncology? Cancers (Basel) 2023; 15:1578. [PMID: 36900367 PMCID: PMC10000383 DOI: 10.3390/cancers15051578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 02/27/2023] [Accepted: 03/02/2023] [Indexed: 03/06/2023] Open
Abstract
In the past two decades, molecular targeted therapy has revolutionized the treatment landscape of several malignancies. Lethal malignancies such as non-small cell lung cancer (NSCLC) have become a model for precision-matched immune- and gene-targeted therapies. Multiple small subgroups of NSCLC defined by their genomic aberrations are now recognized; remarkably, taken together, almost 70% of NSCLCs now have a druggable anomaly. Cholangiocarcinoma (CCA) is a rare tumor with a poor prognosis. Novel molecular alterations have been recently identified in patients with CCA, and the potential for targeted therapy is being realized. In 2019, a fibroblast growth factor receptor 2 (FGFR2) inhibitor, pemigatinib, was the first approved targeted therapy for patients with locally advanced or metastatic intrahepatic CCA who had FGFR2 gene fusions or rearrangement. More regulatory approvals for matched targeted therapies as second-line or subsequent treatments in advanced CCA followed, including additional drugs that target FGFR2 gene fusion/rearrangement. Recent tumor-agnostic approvals include (but are not limited to) drugs that target mutations/rearrangements in the following genes and are hence applicable to CCA: isocitrate dehydrogenase 1 (IDH1); neurotrophic tropomyosin-receptor kinase (NTRK); the V600E mutation of the BRAF gene (BRAFV600E); and high tumor mutational burden, high microsatellite instability, and gene mismatch repair-deficient (TMB-H/MSI-H/dMMR) tumors. Ongoing trials investigate HER2, RET, and non-BRAFV600E mutations in CCA and improvements in the efficacy and safety of new targeted treatments. This review aims to present the current status of molecularly matched targeted therapy for advanced CCA.
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Affiliation(s)
- Amol Gupta
- Department of Medicine, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins Hospital, Baltimore, MD 21287, USA
| | - Razelle Kurzrock
- WIN Consortium, San Diego, CA 92093, USA
- Division of Hematology and Oncology, Medical College of Wisconsin Cancer Center, Milwaukee, WI 53226, USA
- Division of Hematology and Oncology, University of Nebraska, Omaha, NE 68182, USA
| | - Jacob J. Adashek
- Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins Hospital, Baltimore, MD 21287, USA
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Vedeld HM, Grimsrud MM, Andresen K, Pharo HD, von Seth E, Karlsen TH, Honne H, Paulsen V, Färkkilä MA, Bergquist A, Jeanmougin M, Aabakken L, Boberg KM, Folseraas T, Lind GE. Early and accurate detection of cholangiocarcinoma in patients with primary sclerosing cholangitis by methylation markers in bile. Hepatology 2022; 75:59-73. [PMID: 34435693 PMCID: PMC9300181 DOI: 10.1002/hep.32125] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIMS Primary sclerosing cholangitis (PSC) is associated with increased risk of cholangiocarcinoma (CCA). Early and accurate CCA detection represents an unmet clinical need as the majority of patients with PSC are diagnosed at an advanced stage of malignancy. In the present study, we aimed at establishing robust DNA methylation biomarkers in bile for early and accurate diagnosis of CCA in PSC. APPROACH AND RESULTS Droplet digital PCR (ddPCR) was used to analyze 344 bile samples from 273 patients with sporadic and PSC-associated CCA, PSC, and other nonmalignant liver diseases for promoter methylation of cysteine dioxygenase type 1, cannabinoid receptor interacting protein 1, septin 9, and vimentin. Receiver operating characteristic (ROC) curve analyses revealed high AUCs for all four markers (0.77-0.87) for CCA detection among patients with PSC. Including only samples from patients with PSC diagnosed with CCA ≤ 12 months following bile collection increased the accuracy for cancer detection, with a combined sensitivity of 100% (28/28) and a specificity of 90% (20/203). The specificity increased to 93% when only including patients with PSC with longtime follow-up (> 36 months) as controls, and remained high (83%) when only including patients with PSC and dysplasia as controls (n = 23). Importantly, the bile samples from the CCA-PSC ≤ 12 patients, all positive for the biomarkers, included both early-stage and late-stage CCA, different tumor growth patterns, anatomical locations, and carbohydrate antigen 19-9 levels. CONCLUSIONS Using highly sensitive ddPCR to analyze robust epigenetic biomarkers, CCA in PSC was accurately detected in bile, irrespective of clinical and molecular features, up to 12 months before CCA diagnosis. The findings suggest a potential for these biomarkers to complement current detection and screening methods for CCA in patients with PSC.
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Affiliation(s)
- Hege Marie Vedeld
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
| | - Marit M. Grimsrud
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University HospitalOsloNorway,Institute of Clinical MedicineUniversity of OsloOsloNorway
| | - Kim Andresen
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
| | - Heidi D. Pharo
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
| | - Erik von Seth
- Department of Medicine HuddingeUnit of Gastroenterology and RheumatologyKarolinska InstitutetKarolinska University HospitalStockholmSweden
| | - Tom H. Karlsen
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University HospitalOsloNorway,Institute of Clinical MedicineUniversity of OsloOsloNorway,Section of GastroenterologyDepartment of Transplantation MedicineDivision of Surgery, Inflammatory Medicine and TransplantationOslo University Hospital–RikshospitaletOsloNorway
| | - Hilde Honne
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
| | - Vemund Paulsen
- Section of GastroenterologyDepartment of Transplantation MedicineDivision of Surgery, Inflammatory Medicine and TransplantationOslo University Hospital–RikshospitaletOsloNorway
| | - Martti A. Färkkilä
- Department of MedicineDivision of GastroenterologyHelsinki University Hospital and Helsinki UniversityHelsinkiFinland
| | - Annika Bergquist
- Department of Medicine HuddingeUnit of Gastroenterology and RheumatologyKarolinska InstitutetKarolinska University HospitalStockholmSweden
| | - Marine Jeanmougin
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
| | - Lars Aabakken
- Institute of Clinical MedicineUniversity of OsloOsloNorway,Section of GastroenterologyDepartment of Transplantation MedicineDivision of Surgery, Inflammatory Medicine and TransplantationOslo University Hospital–RikshospitaletOsloNorway
| | - Kirsten M. Boberg
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University HospitalOsloNorway,Institute of Clinical MedicineUniversity of OsloOsloNorway,Section of GastroenterologyDepartment of Transplantation MedicineDivision of Surgery, Inflammatory Medicine and TransplantationOslo University Hospital–RikshospitaletOsloNorway
| | - Trine Folseraas
- Norwegian PSC Research Center, Department of Transplantation MedicineOslo University HospitalOsloNorway,Section of GastroenterologyDepartment of Transplantation MedicineDivision of Surgery, Inflammatory Medicine and TransplantationOslo University Hospital–RikshospitaletOsloNorway
| | - Guro E. Lind
- Department of Molecular OncologyInstitute for Cancer ResearchOslo University Hospital–Norwegian Radium HospitalOsloNorway,K. G. Jebsen Colorectal Cancer Research CentreOslo University HospitalOsloNorway
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Nair AV, Macdonald DB, Kelly EM, Satheesh S, Venugopalan P, Soman DK. Utility of MRCP in surveillance of primary sclerosing cholangitis associated hepatobiliary malignancy: 15 year experience at a single institution in Ontario, Canada. Clin Imaging 2021; 81:47-53. [PMID: 34598005 DOI: 10.1016/j.clinimag.2021.08.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 08/18/2021] [Accepted: 08/23/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Magnetic resonance cholangiopancreatography (MRCP) is used for the surveillance of primary sclerosing cholangitis (PSC) and its associated complications. The time interval gap for subsequent follow-up MRCP is variable depending on clinical practice patterns, therefore this study was done to assess the MRCP follow-up strategy used in our institution for screening PSC-associated hepatobiliary malignancies. MATERIALS AND METHODS This retrospective observational cohort included MRCP studies in adult patients, with clinical and radiological diagnosis of PSC over the past 15-year period between January 1, 2003 to December 31, 2018. The study population was grouped based on the presence and absence of PSC-associated malignancy. The frequency of MRCP follow-up was compared between the groups to look for MRI ordering trends in surveillance for PSC-associated complications. RESULTS The overall median interval follow-up with MRCP was 14 months. The median follow-up interval in cases with PSC-associated malignancy was 6.0 months, compared to 13.1 months in the PSC group without malignancy (p 0.013). During the study period, the PSC-associated malignancy group had a median number of 7.5 scans, while the no malignancy group had a median number of 4 scans. Three patients (3/10, 30%) developed hepatobiliary malignancies within the first year of clinical diagnosis of PSC. The most common malignancy associated with PSC was cholangiocarcinoma (4.6%,7/10). Other PSC-associated malignancies included carcinoma gallbladder (1.3%,2/10), and hepatocellular carcinoma (0.6%,1/10). The median age of PSC associated malignancies was 56 (IQR 15) and higher compared to median age of PSC group without malignancies 46 (IQR 25.5), p 0.035. CONCLUSION The median interval for subsequent follow-up MRCP in our study cohort was 14 months. One-third of PSC-associated hepato-biliary malignancies developed within the first year of clinical diagnosis of PSC, and the risk of PSC-associated hepato-biliary malignancy is constant after the first year.
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Affiliation(s)
| | - D Blair Macdonald
- Dept of Medical Imaging, The Ottawa Hospital Research Institute, Ottawa, Canada
| | - Erin M Kelly
- Dept of Gastro-enterology, The Ottawa Hospital, University of Ottawa, Canada
| | - Soumya Satheesh
- Dept of Pathology, VPS Lakeshore Hospital, Kochi, Kerala, India
| | - Prasanna Venugopalan
- Dept of Obstetrics and Gynaecology, Travancore Medical College, Kollam, Kerala, India
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Kamp EJCA, Dinjens WNM, Doukas M, Bruno MJ, de Jonge PJF, Peppelenbosch MP, de Vries AC. Optimal tissue sampling during ERCP and emerging molecular techniques for the differentiation of benign and malignant biliary strictures. Therap Adv Gastroenterol 2021; 14:17562848211002023. [PMID: 33948111 PMCID: PMC8053835 DOI: 10.1177/17562848211002023] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 02/15/2021] [Indexed: 02/04/2023] Open
Abstract
Patients with cholangiocarcinoma have poor survival since the majority of patients are diagnosed at a stage precluding surgical resection, due to locally irresectable tumors and/or metastases. Optimization of diagnostic strategies, with a principal role for tissue diagnosis, is essential to detect cancers at an earlier stage amenable to curative treatment. Current barriers for a tissue diagnosis include both insufficient tissue sampling and a difficult cyto- or histopathological assessment. During endoscopic retrograde cholangiopancreatography, optimal brush sampling includes obtaining more than one brush within an individual patient to increase its diagnostic value. Currently, no significant increase of the diagnostic accuracy for the new cytology brush devices aiming to enhance the cellularity of brushings versus standard biliary brush devices has been demonstrated. Peroral cholangioscopy with bile duct biopsies appears to be a valuable tool in the diagnostic work-up of indeterminate biliary strictures, and may overcome current technical difficulties of fluoroscopic-guided biopsies. Over the past years, molecular techniques to detect chromosomal instability, mutations and methylation profiling of tumors have revolutionized, and implementation of these techniques on biliary tissue during diagnostic work-up of biliary strictures may be awaited in the near future. Fluorescence in situ hybridization has already been implemented in routine diagnostic evaluation of biliary strictures in several centers. Next-generation sequencing is promising for standard diagnostic care in biliary strictures, and recent studies have shown adequate detection of prevalent genomic alterations in KRAS, TP53, CDKN2A, SMAD4, PIK3CA, and GNAS on biliary brush material. Detection of DNA methylation of tumor suppressor genes and microRNAs may evolve over the coming years to a valuable diagnostic tool for cholangiocarcinoma. This review summarizes optimal strategies for biliary tissue sampling during endoscopic retrograde cholangiopancreatography and focuses on the evolving molecular techniques on biliary tissue to improve the differentiation of benign and malignant biliary strictures.
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Affiliation(s)
- Eline J. C. A. Kamp
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Winand N. M. Dinjens
- Department of Pathology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
| | - Michail Doukas
- Department of Pathology, Erasmus MC Cancer Institute, University Medical Center Rotterdam, The Netherlands
| | - Marco J. Bruno
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Pieter Jan F. de Jonge
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Maikel P. Peppelenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
| | - Annemarie C. de Vries
- Department of Gastroenterology & Hepatology, Erasmus MC, University Medical Center Rotterdam, Doctor Molewaterplein 40, Room Na-609, Rotterdam, 3015 GD, The Netherlands
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Solonitsyn E, Dechêne A. Diagnostic Approach to Suspected Perihilar Malignancy. Visc Med 2021; 37:3-9. [PMID: 33718479 DOI: 10.1159/000513950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 12/18/2020] [Indexed: 12/14/2022] Open
Abstract
Background Cholangiocarcinomas are relatively rare tumors most frequently arising from the epithelium of the hilar bile ducts. The diagnosis is often made in advanced (symptomatic) stages, which accounts for the infavorable prognosis with a 5-year survival of less than 10%. Identification of perihilar cholangiocarcinoma (pCCA) is often challenging because there is no single method offering sufficient diagnostic accuracy. Summary Most tumors arise in patients without specific risk factors. Clinical symptoms of pCCA are nonspecific and reliable biomarkers are lacking, with carbohydrate antigen 19-9 being the most commonly used tumor marker (but with a low accuracy). Cross-sectional imaging (CT and MRI) is used to identify and map hilar strictures and determine resectability by showing vascular involvement. Endoscopic ultrasound offers additional information on locoregional tumor spread and lymph node involvement. Endoscopic retrograde cholangiography in combination with cholangioscopy gives direct access to and imaging of hilar strictures but it does not always distinguish between pCCA and benign hilar strictures. Tissue acquisition for histological diagnosis is challenging, with frequent sampling errors regardless of the method of biopsy procurement because of the cellular paucity of tumor tissue. Key Messages In suspected perihilar malignancy, a mosaic of clinical data has to be taken into account. Histological evaluation of (endoscopically harvested) specimens is pivotal to differential diagnosis. Several new techniques to increase diagnostic accuracy are under investigation (biomarkers and genetic testing among others).
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Affiliation(s)
- Evgeny Solonitsyn
- Almasov National Medical Research Centre, Saint-Petersburg, Russian Federation
| | - Alexander Dechêne
- Department of Gastroenterology, Hepatology and Endocrinology, University Hospital, Paracelsus Medical University Nuremberg, Nuremberg, Germany
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Rizzo A, Ricci AD, Tavolari S, Brandi G. Circulating Tumor DNA in Biliary Tract Cancer: Current Evidence and Future Perspectives. Cancer Genomics Proteomics 2020; 17:441-452. [PMID: 32859625 PMCID: PMC7472453 DOI: 10.21873/cgp.20203] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/19/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023] Open
Abstract
Peripheral blood of cancer patients "physiologically" presents cells and cellular components deriving from primary or metastatic sites, including circulating tumor cells (CTCs), circulating free DNA (cfDNA) and exosomes containing proteins, lipids and nucleic acids. The term circulating tumor DNA (ctDNA) indicates the part of cfDNA which derives from primary tumors and/or metastatic sites, carrying tumor-specific genetic or epigenetic alterations. Analysis of ctDNA has enormous potential applications in all stages of cancer management, including earlier diagnosis of cancer, identification of driver alterations, monitoring of treatment response and detection of resistance mechanisms. Thus, ctDNA has the potential to profoundly change current clinical practice, by moving from tissue to peripheral blood as a source of information. Herein, we review current literature regarding the potential role for ctDNA in biliary tract cancer (BTC) patients, with a particular focus on state-of-the-art techniques and future perspectives of this highly aggressive disease.
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Affiliation(s)
- Alessandro Rizzo
- Department of Experimental, Diagnostic and Specialty Medicine, S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Angela Dalia Ricci
- Department of Experimental, Diagnostic and Specialty Medicine, S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Simona Tavolari
- Department of Experimental, Diagnostic and Specialty Medicine, S. Orsola-Malpighi University Hospital, Bologna, Italy
| | - Giovanni Brandi
- Department of Experimental, Diagnostic and Specialty Medicine, S. Orsola-Malpighi University Hospital, Bologna, Italy
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Zenouzi R, Liwinski T, Yamamura J, Weiler-Normann C, Sebode M, Keller S, Lohse AW, Schramm C. Follow-up magnetic resonance imaging/3D-magnetic resonance cholangiopancreatography in patients with primary sclerosing cholangitis: challenging for experts to interpret. Aliment Pharmacol Ther 2018; 48:169-178. [PMID: 29741240 DOI: 10.1111/apt.14797] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 02/19/2018] [Accepted: 04/18/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND In patients with primary sclerosing cholangitis follow-up magnetic resonance imaging (MRI) with magnetic resonance cholangiopancreatography (MRCP) is performed by many centres, particularly for the early detection of biliary malignancies and strictures. Clinically meaningful MRI-based definitions of primary sclerosing cholangitis related complications are, however, lacking. AIM To investigate how primary sclerosing cholangitis experts interpret follow-up MRI/MRCP with a focus on conclusions that may impact clinical decision-making in primary sclerosing cholangitis. METHODS Within the International Primary Sclerosing Cholangitis Study Group, an online survey on 16 real-life primary sclerosing cholangitis cases including clinical and biochemical information as well as a T2-weighted liver MRI/3D-MRCP was conducted. The interpretation of images and subsequent recommendations were assessed using a multiple-choice questionnaire. An inter-rater reliability calculation (Fleiss' kappa) was performed and factors potentially affecting the interpretation of magnetic resonance images were analysed using generalised linear mixed-effect models. RESULTS Forty-four members/associates of the International Primary Sclerosing Cholangitis Study Group (median experience in the care of primary sclerosing cholangitis patients: 14 years) completed the survey. The MRI interpretation significantly varied among the participants. The lowest agreement was found with respect to the indication to perform subsequent endoscopic retrograde cholangiopancreatography (ERCP; Κ = 0.12, 95%CI 0.11-0.14). Elevated total bilirubin was the variable with the strongest effect on the rate of suspected dominant strictures, cholangiocarcinoma or ERCP recommendations. Liver cirrhosis did not prevent participants from recommending ERCP. Overall, the survey participants' recommendations contrasted the real-life management and outcome. CONCLUSIONS In primary sclerosing cholangitis, the interpretation of follow-up MRI/3D-MRCP significantly varies even among experts and seems to be primarily affected by bilirubin levels. Generally accepted MRI-based definitions of primary sclerosing cholangitis-related complications are urgently needed.
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Affiliation(s)
- R Zenouzi
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - T Liwinski
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - J Yamamura
- Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - C Weiler-Normann
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - M Sebode
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - S Keller
- Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - A W Lohse
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - C Schramm
- 1st Department of Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
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Taghavi SA, Eshraghian A, Niknam R, Sivandzadeh GR, Bagheri Lankarani K. Diagnosis of cholangiocarcinoma in primary sclerosing cholangitis. Expert Rev Gastroenterol Hepatol 2018; 12:575-584. [PMID: 29781738 DOI: 10.1080/17474124.2018.1473761] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Primary sclerosing cholangitis (PSC) is a chronic inflammatory disease of the hepatobiliary system characterized by chronic inflammation, progressive fibrosis, stricture formation and destruction of extrahepatic and intrahepatic bile ducts. Areas covered: The increased incidence of cholangiocarcinoma (CCA) in PSC has been well documented and can be explained by the continuous inflammation in the biliary tree leading to an enhanced dysplasia-carcinoma sequence. Although PSC patients may progress to liver cirrhosis; CCA most commonly occurs between the ages of 30 and 45 years when cirrhosis has not yet developed. Therefore, CCA in patients with PSC occurs earlier than in patients without PSC. Expert commentary: Despite improvement in diagnostic methods and devices, the dilemma of diagnosing CCA in patients with PSC has not been solved yet and needs further investigation.
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Affiliation(s)
- Seyed Alireza Taghavi
- a Gastroenterohepatology Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
| | - Ahad Eshraghian
- a Gastroenterohepatology Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
| | - Ramin Niknam
- a Gastroenterohepatology Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
| | - Gholam Reza Sivandzadeh
- a Gastroenterohepatology Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
| | - Kamran Bagheri Lankarani
- a Gastroenterohepatology Research Center , Shiraz University of Medical Sciences , Shiraz , Iran
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Rizvi S, Eaton J, Yang JD, Chandrasekhara V, Gores GJ. Emerging Technologies for the Diagnosis of Perihilar Cholangiocarcinoma. Semin Liver Dis 2018; 38:160-169. [PMID: 29871021 PMCID: PMC6463495 DOI: 10.1055/s-0038-1655775] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The diagnosis of malignant biliary strictures remains problematic, especially in the perihilar region and in primary sclerosing cholangitis (PSC). Conventional cytology obtained during endoscopic retrograde cholangiography (ERC)-guided brushings of biliary strictures is suboptimal due to limited sensitivity, albeit it remains the gold standard with a high specificity. Emerging technologies are being developed and validated to address this pressing unmet patient need. Such technologies include enhanced visualization of the biliary tree by cholangioscopy, intraductal ultrasound, and confocal laser endomicroscopy. Conventional cytology can be aided by employing complementary and advanced cytologic techniques such as fluorescent in situ hybridization (FISH), and this technique should be widely adapted. Interrogation of bile and serum by examining extracellular vesicle number and cargo, and exploiting next-generation sequencing and proteomic technologies, is also being explored. Examination of circulating cell-free deoxyribonucleic acid (cfDNA) for differentially methylated regions is a promising test which is being rigorously validated. The special expertise required for these analyses has to date hampered their validation and adaptation. Herein, we will review these emerging technologies to inform the reader of the progress made and encourage further studies, as well as adaptation of validated approaches.
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Affiliation(s)
- Sumera Rizvi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - John Eaton
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Ju Dong Yang
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Gregory J. Gores
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Schramm C, Eaton J, Ringe KI, Venkatesh S, Yamamura J. Recommendations on the use of magnetic resonance imaging in PSC-A position statement from the International PSC Study Group. Hepatology 2017; 66:1675-1688. [PMID: 28555945 DOI: 10.1002/hep.29293] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 04/14/2017] [Accepted: 05/24/2017] [Indexed: 12/15/2022]
Abstract
UNLABELLED Primary sclerosing cholangitis (PSC) is a chronic cholestatic liver disorder characterized by inflammation and fibrosis of the intra- and/or extrahepatic bile ducts. Magnetic resonance imaging (MRI) is a noninvasive imaging modality that can be used to diagnose PSC and detect disease related complications. Quantitative MRI technologies also have the potential to provide valuable prognostic information. Despite the potential of this imaging technology, the clinical application of MRI in the care of PSC patients and imaging standards vary across institutions. Moreover, a unified position statement about the role of MRI in the care of PSC patients, quality imaging standards, and its potential as a research tool is lacking. CONCLUSION Members of the International PSC Study Group and radiologists from North America and Europe have compiled the following position statement to provide guidance regarding the application of MRI in the care of PSC patients, minimum imaging standards, and future areas of research. (Hepatology 2017;66:1675-1688).
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Affiliation(s)
- Christoph Schramm
- 1st Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - John Eaton
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Kristina I Ringe
- Department of Diagnostic and Interventional Radiology, Hannover Medical School, Hannover, Germany
| | | | - Jin Yamamura
- Department of Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Ilyas SI, Eaton JE, Gores GJ. Primary Sclerosing Cholangitis as a Premalignant Biliary Tract Disease: Surveillance and Management. Clin Gastroenterol Hepatol 2015; 13:2152-65. [PMID: 26051390 PMCID: PMC4618039 DOI: 10.1016/j.cgh.2015.05.035] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 05/20/2015] [Accepted: 05/22/2015] [Indexed: 02/07/2023]
Abstract
Primary sclerosing cholangitis (PSC) is a premalignant biliary tract disease that confers a significant risk for the development of cholangiocarcinoma (CCA). The chronic biliary tract inflammation of PSC promotes pro-oncogenic processes such as cellular proliferation, induction of DNA damage, alterations of the extracellular matrix, and cholestasis. The diagnosis of malignancy in PSC can be challenging because inflammation-related changes in PSC may produce dominant biliary tract strictures mimicking CCA. Biomarkers such as detection of methylated genes in biliary specimens represent noninvasive techniques that may discriminate malignant biliary ductal changes from PSC strictures. However, conventional cytology and advanced cytologic techniques such as fluorescence in situ hybridization for polysomy remain the practice standard for diagnosing CCA in PSC. Curative treatment options of malignancy arising in PSC are limited. For a subset of patients selected by using stringent criteria, liver transplantation after neoadjuvant chemoradiation is a potential curative therapy. However, most patients have advanced malignancy at the time of diagnosis. Advances directed at identifying high-risk patients, early cancer detection, and development of chemopreventive strategies will be essential to better manage the cancer risk in this premalignant disease. A better understanding of dysplasia definition and especially its natural history is also needed in this disease. Herein, we review recent developments in our understanding of the risk factors, pathogenic mechanisms of PSC associated with CCA, as well as advances in early detection and therapies.
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Affiliation(s)
- Sumera I Ilyas
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - John E Eaton
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Gregory J Gores
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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