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Adsay NV, Basturk O. Dysplasia and Early Carcinoma of the Gallbladder and Bile Ducts: Terminology, Classification, and Significance. Gastroenterol Clin North Am 2024; 53:85-108. [PMID: 38280752 DOI: 10.1016/j.gtc.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
Most precursor lesions and early cancerous changes in the gallbladder and bile ducts present as clinically/grossly inapparent lesions. Low-grade dysplasia is difficult to define and clinically inconsequential by itself; however, extra sampling is required to exclude accompanying significant lesions. For high-grade dysplasia ('carcinoma in situ'), a complete sampling is necessary to rule out invasion. Tumoral intramucosal neoplasms (ie, intracholecystic and intraductal neoplasia) form radiologically/grossly visible masses, and they account for (present in the background of) about 5% to 10% of invasive cancers of the region. These reveal a spectrum of papilla/tubule formation, cell lineages, and dysplastic transformation. Some subtypes such as intracholecystic tubular non-mucinous neoplasm of the gallbladder (almost never invasive) and intraductal oncocytic or intraductal tubulopapillary neoplasms of the bile ducts (may have a protracted clinical course even when invasive) are to be noted separately. Other types of intracholecystic/intraductal neoplasia have a high frequency of invasive carcinoma and progressive behavior, which often culminates in mortality.
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Affiliation(s)
- N Volkan Adsay
- Department of Pathology, Koc University School of Medicine, Koç Üniversitesi Hastanesi, Davutpaşa Cd. No:4, Zeytinburnu, İstanbul 34010, Turkey.
| | - Olca Basturk
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
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2
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Basturk O, Adsay NV. Early Cancerous Lesions of the Pancreas and Ampulla: Current Concepts and Challenges. Gastroenterol Clin North Am 2024; 53:57-84. [PMID: 38280751 PMCID: PMC10823180 DOI: 10.1016/j.gtc.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
Owing to the increased use of advanced imaging techniques, mass-forming (cystic/intraductal) preinvasive neoplasms are being detected much more frequently and they have rapidly become one of the main focuses of interests in medical field. These neoplasms have very distinctive clinical and radiographic findings, exhibit a spectrum of dysplastic transformation, from low-grade dysplasia to high-grade dysplasia, and may be associated with an invasive carcinoma. Accounting for about 5% to 10% of pancreatic ductal adenocarcinomas, they provide a curable target subset in an otherwise biologically dismal pancreas cancer category.
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Affiliation(s)
- Olca Basturk
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - N Volkan Adsay
- Department of Pathology, Koc University School of Medicine, Davutpaşa Cd. No:4, Zeytinburnu, Istanbul 34010, Turkey.
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3
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Huang M, Huang M, Gao X, Zhang Y, Cheng J, Zhu J, Li C, Liu J. Magnetic resonance imaging features of bile duct adenoma. Front Oncol 2023; 13:1180186. [PMID: 37664063 PMCID: PMC10468997 DOI: 10.3389/fonc.2023.1180186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Objectives To evaluate the magnetic resonance imaging (MRI) features of bile duct adenoma. Methods The data of 28 patients [with 32 pathologically confirmed bile duct adenomas, including 15 with malignant change (malignant group) and 17 without malignant change (benign adenoma group)] were retrospectively reviewed. Abdominal MRI was performed for all patients; in addition, dynamic enhanced MRI was performed for 18 lesions. The MRI features, including lesion location, maximum size, morphology, signal characteristics, enhancement type, and appearance of the bile duct, were assessed by two abdominal radiologists. Apparent diffusion coefficient (ADC) values were measured and compared. Results Of the 32 bile duct adenomas, 22 (68.75%) involved the common bile duct (CBD). While 14/32 (43.75%) lesions presented as focal eccentric-type masses, 9/32 (28.13%) presented as plaque-like masses, 4/32 (12.50%) as bile duct casting masses, and 5/32 (15.62%) as infiltrative masses. A frond-like superficial appearance was seen in 8/32 (25%) lesions. Infiltrative masses were significantly more common in the malignant group than in the benign adenoma group (P = 0.015). While 23/32 (71.88%) lesions were isointense on T1-weighted imaging (T1WI), 24/32 (75%) were hyperintense on T2-weighted imaging (T2WI). Bile duct dilatation was present upstream of the lesion in all cases. Bile duct dilatation at the lesion was seen in 24/32 (75%) cases and downstream of the lesion in 6/32 (18.75%) cases. Of the 18 lesions that underwent dynamic enhanced MRI, 14 (77.78%) showed moderate enhancement and 13 (72.22%) showed persistent enhancement. On diffusion-weighted imaging (DWI), 27/32 (84.37%) lesions showed hyperintensity. Mean ADC value was comparable between the malignant group and the benign adenoma group (P = 0.156). Conclusions Bile duct adenoma primarily presents as intraductal growth in the CBD, usually with bile duct dilatation at the lesion site or upstream to it. Most lesions are isointense on T1WI, are hyperintense on T2WI and DWI, and show moderate enhancement. A superficial frond-like appearance of the lesion and bile duct dilatation at the lesion or downstream to it might be characteristics of bile duct adenoma. An infiltrative appearance might indicate malignant transformation.
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Affiliation(s)
- Mengyue Huang
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mengna Huang
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xuemei Gao
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yong Zhang
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jingliang Cheng
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jinxia Zhu
- Magnetic Resonance Imaging (MRI) Collaboration, Siemens Healthcare Ltd., Beijing, China
| | - Caixia Li
- Department of Magnetic Resonance Imaging, the First Affiliated Hospital of Henan Polytechnic University, Jiaozuo, Henan, China
| | - Jingjing Liu
- Department of Magnetic Resonance Imaging, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Samar MR, Abbasi Z, Masood B, Zehra NE, Zaki A. Trick or Treat: An Intrahepatic Intraductal Papillary Neoplasm of the Bile Duct. Cureus 2023; 15:e43494. [PMID: 37719498 PMCID: PMC10500955 DOI: 10.7759/cureus.43494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2023] [Indexed: 09/19/2023] Open
Abstract
An intraductal papillary neoplasm involving the biliary tree is an unusual premalignant condition of epithelial origin, identified by its cystic dilatation of the biliary channels. Being a slow-growing tumor, surgery offers the best curative rate, especially in the setting of a low-grade disease. Here, we present a case of a localized, low-grade, intraductal papillary neoplasm of the bile duct (IPNB), residing in the liver, which was treated with resection of the liver lobe. The adjuvant treatment and prognosis highly depend upon the presence of dysplasia or a co-existent invasive malignancy. To the best of our knowledge, being a rare entity, this is the first case to be reported from Pakistan.
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Affiliation(s)
| | - Zainab Abbasi
- Medicine, Aga Khan University Hospital, Karachi, PAK
| | | | - Nida E Zehra
- Oncology, Aga Khan University Hospital, Karachi, PAK
| | - Adeeba Zaki
- Oncology, Aga Khan University Hospital, Karachi, PAK
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Zhu X, Ni Q, Wang Q, Ma C, Yang F, Gao H, Zhu H, Zhou X, Chang H, Lu J, Liu F. Intraductal papillary mucinous neoplasm of the biliary tract in the caudate lobe of the liver: a case report and literature review. Front Oncol 2023; 13:1114514. [PMID: 37465111 PMCID: PMC10351580 DOI: 10.3389/fonc.2023.1114514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 05/15/2023] [Indexed: 07/20/2023] Open
Abstract
An intraductal papillary mucinous neoplasm of the biliary tract (BT-IPMN) in the caudate lobe of the liver is a rare tumor originating from the bile duct. Approximately 40% of the intraductal papillary neoplasms of the biliary tract (IPNB) secrete mucus and can grow in the intrahepatic or extrahepatic bile ducts. A 65-year-old woman presented with recurrent episodes of right upper pain. She developed her first episode 8 years ago, which resolved spontaneously. The frequency of symptoms has increased in the last 2 years. She underwent laparoscopic hepatectomy and choledochal exploration and was pathologically diagnosed with a rare BT-IPMN of the caudate lobe after admission. Here, we review studies on IPNB cases and systematically describe the pathological type, diagnosis, and treatment of IPNB to provide a valuable reference for hepatobiliary surgeons in the diagnosis and treatment of this disease.
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Lluís N, Serradilla-Martín M, Achalandabaso M, Jehaes F, Dasari BV, Mambrilla-Herrero S, Sparrelid E, Balakrishnan A, Hoogwater FJ, Amaral MJ, Andersson B, Berrevoet F, Doussot A, López-López V, Alsammani M, Detry O, Domingo-del Pozo C, Machairas N, Pekli D, Alcázar-López CF, Asbun H, Björnsson B, Christophides T, Díez-Caballero A, Francart D, Noel CB, Sousa-Silva D, Toledo-Martínez E, Tzimas GN, Yaqub S, Cauchy F, Prieto-Calvo M, D’Souza MA, Spiers HV, van den Heuvel MC, Charco R, Lesurtel M, Ramia JM. Intraductal papillary neoplasms of the bile duct: a European retrospective multicenter observational study (EUR-IPNB study). Int J Surg 2023; 109:760-771. [PMID: 36917142 PMCID: PMC10389541 DOI: 10.1097/js9.0000000000000280] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 01/19/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND/PURPOSE Intraductal papillary neoplasm of the bile duct (IPNB) is a rare disease in Western countries. The main aim of this study was to characterize current surgical strategies and outcomes in the mainly European participating centers. METHODS A multi-institutional retrospective series of patients with a diagnosis of IPNB undergoing surgery between 1 January 2010 and 31 December 2020 was gathered under the auspices of the European-African Hepato-Pancreato-Biliary Association. The textbook outcome (TO) was defined as a non-prolonged length of hospital stay plus the absence of any Clavien-Dindo grade at least III complications, readmission, or mortality within 90 postoperative days. RESULTS A total of 28 centers contributed 85 patients who underwent surgery for IPNB. The median age was 66 years (55-72), 49.4% were women, and 87.1% were Caucasian. Open surgery was performed in 72 patients (84.7%) and laparoscopic in 13 (15.3%). TO was achieved in 54.1% of patients, reaching 63.8% after liver resection and 32.0% after pancreas resection. Median overall survival was 5.72 years, with 5-year overall survival of 63% (95% CI: 50-82). Overall survival was better in patients with Charlson comorbidity score 4 or less versus more than 4 ( P =0.016), intrahepatic versus extrahepatic tumor ( P =0.027), single versus multiple tumors ( P =0.007), those who underwent hepatic versus pancreatic resection ( P =0.017), or achieved versus failed TO ( P =0.029). Multivariable Cox regression analysis showed that not achieving TO (HR: 4.20; 95% CI: 1.11-15.94; P =0.03) was an independent prognostic factor of poor overall survival. CONCLUSIONS Patients undergoing liver resection for IPNB were more likely to achieve a TO outcome than those requiring a pancreatic resection. Comorbidity, tumor location, and tumor multiplicity influenced overall survival. TO was an independent prognostic factor of overall survival.
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Affiliation(s)
- Núria Lluís
- Division of Hepatobiliary and Pancreas Surgery, Miami Cancer Institute, Miami, Florida, USA
| | - Mario Serradilla-Martín
- Department of Surgery, Instituto de Investigación Sanitaria Aragón, Miguel Servet University Hospital, Zaragoza
| | - Mar Achalandabaso
- HPB Surgery and Transplantation, Hospital Universitario Vall d’Hebron
| | - François Jehaes
- Department of HPB Surgery and Liver Transplantation, Beaujon Hospital, Assistance Publique Hôpitaux de Paris, University of Paris Cité, Clichy, France
| | - Bobby V.M. Dasari
- Liver Transplant and HPB Surgery, Queen Elizabeth Hospital, Birmingham, UK
| | | | - Ernesto Sparrelid
- Department of Clinical Science, Division of Surgery, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm
| | - Anita Balakrishnan
- Cambridge HPB Unit, Cambridge University Hospitals NHS Foundation Trust
- Department of Surgery, University of Cambridge, Cambridge
| | - Frederik J.H. Hoogwater
- Department of HPB Surgery and Liver Transplantation, and Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Maria J. Amaral
- Department of General Surgery, Centro Hospitalar e Universitário de Coimbra
- Faculty of Medicine, University of Coimbra, Coimbra
| | - Bodil Andersson
- Department of Surgery, Lund University
- Skane University Hospital, Lund
| | - Frederik Berrevoet
- Department of General and HPB Surgery, and Liver Transplantation, University Hospital Gent, Gent
| | - Alexandre Doussot
- Department of Digestive Surgical Oncology, Liver Transplantation Unit, CHU Besançon, Besancon
| | - Víctor López-López
- Department of General, Visceral and Transplantation Surgery, Clinic and University Hospital Virgen de La Arrixaca, IMIB-ARRIXACA, Murcia
| | | | - Olivier Detry
- Department of Abdominal Surgery and Transplantation, CHU Liege, University of Liege
| | | | - Nikolaos Machairas
- Second Department of Propaedeutic Surgery, National and Kapodistrian University of Athens
| | - Damján Pekli
- Department of Surgery, Transplantation and Gastroenterology, Semmelweis University, Budapest, Hungary
| | - Cándido F. Alcázar-López
- HPB Surgery and Liver Transplantation, Dr. Balmis General University Hospital, and Alicante Institute for Health and Biomedical Research (ISABIAL)
| | - Horacio Asbun
- Division of Hepatobiliary and Pancreas Surgery, Miami Cancer Institute, Miami, Florida, USA
| | - Bergthor Björnsson
- Department of Surgery in Linköping and Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Thalis Christophides
- General Surgery Department, HPB Division, Nicosia General Hospital, Nicosia, Cyprus
| | | | - David Francart
- Department of Abdominal Surgery, CHC Groupe Santé, Liège, Belgium
| | - Colin B. Noel
- HPB Clinical Unit, Gastrointestinal Surgery, Universitas Academic Hospital, University of the Free State, Bloemfontein
| | - Donzília Sousa-Silva
- Department of Surgery, HEBIPA – Hepatobiliary and Pancreatic Unit, Hospital de Santo António, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - Enrique Toledo-Martínez
- Servicio de Cirugía, Hospital Universitario Marqués de Valdecilla, Santander, Cantabria, Spain
| | - George N. Tzimas
- Hepatobiliary Surgery Department, Hygeia Hospital, Athens, Greece
| | - Sheraz Yaqub
- Department of HPB Surgery, Oslo University Hospital
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - François Cauchy
- Department of HPB Surgery and Liver Transplantation, Beaujon Hospital, Assistance Publique Hôpitaux de Paris, University of Paris Cité, Clichy, France
| | - Mikel Prieto-Calvo
- Hepatobiliary Surgery and Liver Transplant Unit, Cruces University Hospital, Bilbao
| | - Melroy A. D’Souza
- Department of Clinical Science, Division of Surgery, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm
| | - Harry V.M. Spiers
- Cambridge HPB Unit, Cambridge University Hospitals NHS Foundation Trust
- Department of Surgery, University of Cambridge, Cambridge
| | - Marius C. van den Heuvel
- Department of HPB Surgery and Liver Transplantation, and Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ramón Charco
- HPB Surgery and Transplantation, Hospital Universitario Vall d’Hebron
| | - Mickaël Lesurtel
- Department of HPB Surgery and Liver Transplantation, Beaujon Hospital, Assistance Publique Hôpitaux de Paris, University of Paris Cité, Clichy, France
| | - José M. Ramia
- HPB Surgery and Liver Transplantation, Dr. Balmis General University Hospital, and Alicante Institute for Health and Biomedical Research (ISABIAL)
- Miguel Hernández University, Alicante
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7
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Stendahl K, Gilani SM, Basturk O, Hui P, Sigel C, Cai G. Intraductal papillary neoplasm of the bile duct: Cytomorphologic and molecular features. Cancer Cytopathol 2023; 131:37-49. [PMID: 36041224 PMCID: PMC9812877 DOI: 10.1002/cncy.22637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/20/2022] [Accepted: 07/29/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Intraductal papillary neoplasm of the bile duct (IPNB) is a rare premalignant neoplasm that can progress to invasive adenocarcinoma. In this retrospective study, cases of IPNB were reviewed to examine cytomorphologic and molecular features. METHODS IPNB cytology cases with histopathologic confirmation were retrieved from the pathology archives. The cytomorphologic features such as cellularity, architecture, cell type, and cellular details were analyzed. RESULTS The cohort included 13 cases (six brushings, six fine-needle aspirations [FNA], and one combined brushing and FNA). The lesions involved common bile duct in nine cases (69%) and hepatic duct in four cases (31%). Original cytological diagnoses included adenocarcinoma (five, 38%), suspicious for adenocarcinoma (one, 8%), neoplasm (three, 23%), atypical (three, 23%), and reactive (one, 8%). The cytomorphologic features included moderate/high cellularity (12, 92%), papillary and/or complex papillary architecture (10, 77%), columnar cells (11, 85%), vacuolated cytoplasm (12, 92%), enlarged nuclei (13, 100%), and fine granular chromatin (12, 92%). Background mucin, necrosis and acute inflammation were seen in four (31%), four (31%), and two (15%) cases, respectively. KRAS testing was performed in nine cases with mutant KRAS found in five (56%). CONCLUSIONS Our study demonstrated that IPNB cytology specimens were relatively cellular with a wide spectrum of cytomorphology; however, most cases harbored adenocarcinoma or high-grade dysplasia. The characteristic cytomorphologic features included papillary/complex papillary clusters of columnar cells with vacuolated cytoplasm, enlarged nuclei, and fine granular chromatin in relatively cellular specimens. KRAS mutations identified may have potential diagnostic and therapeutic implications.
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Affiliation(s)
- Kristin Stendahl
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut
| | - Syed M. Gilani
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut
| | - Olca Basturk
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Pei Hui
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut
| | - Carlie Sigel
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Gouping Cai
- Department of Pathology, Yale University School of Medicine, New Haven, Connecticut
- Yale Cancer Center, Yale University School of Medicine, New Haven, Connecticut
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8
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Kupietzky A, Ariche A. Surgical Aspects of Intrahepatic Cholangiocarcinoma. Cancers (Basel) 2022; 14:cancers14246265. [PMID: 36551749 PMCID: PMC9777062 DOI: 10.3390/cancers14246265] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/14/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
Intrahepatic cholangiocarcinoma (ICC) is a rare and aggressive malignancy. It originates from the bile ducts and is the second most common primary cancer of the liver. Surgery is considered the only curative treatment of ICC, offering the best chance for long-term survival. The purpose of this article is to review the available literature on ICC, with a focus on the various aspects of the surgical care in this potentially lethal malignancy.
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9
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Zulfiqar M, Chatterjee D, Yoneda N, Hoegger MJ, Ronot M, Hecht EM, Bastati N, Ba-Ssalamah A, Bashir MR, Fowler K. Imaging Features of Premalignant Biliary Lesions and Predisposing Conditions with Pathologic Correlation. Radiographics 2022; 42:1320-1337. [PMID: 35930475 DOI: 10.1148/rg.210194] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Biliary malignancies include those arising from the intrahepatic and extrahepatic bile ducts as well as the gallbladder and hepatopancreatic ampulla of Vater. The majority of intrahepatic and extrahepatic malignancies are cholangiocarcinomas (CCAs). They arise owing to a complex interplay between the patient-specific genetic background and multiple risk factors and may occur in the liver (intrahepatic CCA), hilum (perihilar CCA), or extrahepatic bile ducts (distal CCA). Biliary-type adenocarcinoma constitutes the most common histologic type of ampullary and gallbladder malignancies. Its prognosis is poor and surgical resection is considered curative, so early detection is key, with multimodality imaging playing a central role in making the diagnosis. There are several risk factors for biliary malignancy as well as predisposing conditions that increase the risk; this review highlights the pertinent imaging features of these entities with histopathologic correlation. The predisposing factors are broken down into three major categories: (a) congenital malformations such as choledochal cyst and pancreaticobiliary maljunction; (b) infectious or inflammatory conditions such as parasitic infections, hepatolithiasis, primary sclerosing cholangitis, and porcelain gallbladder; and (c) preinvasive epithelial neoplasms such as biliary intraepithelial neoplasm, intraductal papillary neoplasm of the bile duct, intra-ampullary papillary tubular neoplasm, and intracholecystic papillary neoplasm of the gallbladder. Recognizing the baseline features of these premalignant biliary entities and changes in their appearance over time that indicate the advent of malignancy in high-risk patients can lead to early diagnosis and potentially curative management. An invited commentary by Volpacchio is available online. Online supplemental material is available for this article. ©RSNA, 2022.
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Affiliation(s)
- Maria Zulfiqar
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Deyali Chatterjee
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Norihide Yoneda
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Mark J Hoegger
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Maxime Ronot
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Elizabeth M Hecht
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Nina Bastati
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Ahmed Ba-Ssalamah
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Mustafa R Bashir
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
| | - Kathryn Fowler
- From the Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd, St Louis, MO 63110 (M.Z., M.J.H.); Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Tex (D.C.); Department of Radiology, Kanazawa University Graduate School of Medical Sciences, Kanazawa, Japan (N.Y.); Department of Radiology, Hôpital Beaujon, APHP.Nord, Clichy & Université de Paris, Paris, France (M.R.); Department of Radiology, Weill Cornell Medicine, New York, NY (E.M.H.); Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, General Hospital of Vienna (AKH), Vienna, Austria (N.B., A.B.S.); Departments of Radiology and Medicine, Duke University Medical Center, Durham, NC (M.R.B.); and Department of Radiology, UC San Diego School of Medicine, San Diego, Calif (K.F.)
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10
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Cancerization of ducts in hilar cholangiocarcinoma. Virchows Arch 2022; 481:1-10. [PMID: 35527321 DOI: 10.1007/s00428-022-03333-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 04/03/2022] [Accepted: 04/27/2022] [Indexed: 12/27/2022]
Abstract
Invasive cancers that arise from ductal structures can infiltrate and colonize pre-existing ducts in a process referred to as cancerization of ducts (COD). COD in cholangiocarcinoma is an under-studied process whose clinical significance remains poorly understood. Even though both cancerized ducts and biliary intraepithelial neoplasias (BilINs) show dysplastic changes, hallmarks of COD are (i) an abrupt transition from the normal/reactive epithelium to severe dysplasia and (ii) close proximity to invasive carcinoma with similar cytologic features. We investigated 113 cases of surgically resected hilar cholangiocarcinoma and identified COD in 37 cases (33%). Using immunohistochemistry, we found that COD and adjacent invasive carcinoma had a concordant pattern of p53 and SMAD4 staining in 95% (21/22) and 100% (21/21) of cases, respectively. In contrast, BilINs and cancerized ducts showed significantly lower levels of concordance in p53 and SMAD4 staining at 44% (8/18) and 47% (8/17) of cases, respectively (P = 0.0007 and 0.0001, respectively). By univariate analysis, positive lymph node metastasis (P = 0.027), positive final bile duct margin (P = 0.021), and the presence of COD (P = 0.020) were associated with decreased overall survival. We further performed multivariate analysis to demonstrate that positive lymph node metastasis (P = 0.031), positive final bile duct margin (P = 0.035), and COD (P = 0.0051) were correlated with decreased overall survival. Together, our study highlights that COD is a clinically significant process in hilar cholangiocarcinoma that can be identified using morphological criteria in conjunction with p53 and SMAD4 immunolabeling.
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11
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Hepatic Cysts: Reappraisal of the Classification, Terminology, Differential Diagnosis, and Clinicopathologic Characteristics in 258 Cases. Am J Surg Pathol 2022; 46:1219-1233. [PMID: 35778790 DOI: 10.1097/pas.0000000000001930] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The literature on liver cysts is highly conflicting, mostly owing to definitional variations. Two hundred and fifty-eight ≥1 cm cysts evaluated pathologically using updated criteria were classifiable as: I. Ductal plate malformation related (63%); that is, cystic bile duct hamartoma or not otherwise specified-type benign biliary cyst (35 with polycystic liver disease). These were female predominant (F/M=2.4), large (10 cm), often multifocal with degenerative/inflammatory changes and frequently misclassified as "hepatobiliary cystadenoma." II. Neoplastic (13%); 27 (10.5%) had ovarian-type stroma (OTS) and qualified as mucinous cystic neoplasm (MCN) per World Health Organization (WHO). These were female, solitary, mean age 52, mean size 11 cm, and 2 were associated with carcinoma (1 in situ and 1 microinvasive). There were 3 intraductal papillary neoplasms, 1 intraductal oncocytic papillary neoplasm, 1 cystic cholangiocarcinoma, and 2 cystic metastasis. III. Infectious/inflammatory (12%). These included 23 hydatid cysts (including 2 Echinococcus alveolaris both misdiagnosed preoperatively as cancer), nonspecific inflammatory cysts (abscesses, inflammatory cysts: 3.4%). IV. Congenital (7%). Mostly small (<3 cm); choledochal cyst (5%), foregut cyst (2%). V. Miscellaneous (4%). In conclusion, hepatic cysts occur predominantly in women (3/1), are mostly (90%) non-neoplastic, and seldom (<2%) malignant. Cystic bile duct hamartomas and their relative not otherwise specified-type benign biliary cysts are frequently multifocal and often misdiagnosed as "cystadenoma/carcinoma." Defined by OTS, MCNs (the true "hepatobiliary cystadenoma/carcinoma") are solitary, constitute only 10.5% of hepatic cysts, and have a significantly different profile than the impression in the literature in that essentially all are perimenopausal females, and rarely associated with carcinoma (7%). Since MCNs can only be diagnosed by demonstration of OTS through complete microscopic examination, it is advisable to avoid the term "cystadenoma/cystadenocarcinoma" solely based on radiologic examination, and the following simplified terminology would be preferable in preoperative evaluation to avoid conflicts with the final pathologic diagnosis: (1) noncomplex (favor benign), (2) complex (in 3 subsets, as favor benign, cannot rule out malignancy, or favor malignancy), (3) malignant features.
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12
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Pancreatobiliary Maljunction-associated Gallbladder Cancer Is as Common in the West, Shows Distinct Clinicopathologic Characteristics and Offers an Invaluable Model for Anatomy-induced Reflux-associated Physio-chemical Carcinogenesis. Ann Surg 2022; 276:e32-e39. [PMID: 33201123 PMCID: PMC9305302 DOI: 10.1097/sla.0000000000004482] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To determine the associations of pancreatobiliary maljunction (PBM) in the West. BACKGROUND PBM (anomalous union of common bile duct and pancreatic duct) is mostly regarded as an Asian-only disorder, with 200X risk of gallbladder cancer (GBc), attributed to reflux of pancreatic enzymes. Methods: Radiologic images of 840 patients in the US who underwent pancreatobiliary resections were reviewed for PBM and contrasted with 171 GBC cases from Japan. RESULTS Eight % of the US GBCs (24/300) had PBM (similar to Japan; 15/ 171, 8.8%), in addition to 1/42 bile duct carcinomas and 5/33 choledochal cysts. None of the 30 PBM cases from the US had been diagnosed as PBM in the original work-up. PBM was not found in other pancreatobiliary disorders. Clinicopathologic features of the 39 PBM-associated GBCs (US:24, Japan:15) were similar; however, comparison with non-PBM GBCs revealed that they occurred predominantly in females (F/M = 3); at younger (<50-year-old) age (21% vs 6.5% in non-PBM GBCs; P = 0.01); were uncommonly associated with gallstones (14% vs 58%; P < 0.001); had higher rate of tumor-infiltrating lymphocytes (69% vs 44%; P = 0.04); arose more often through adenoma-carcinoma sequence (31% vs 12%; P = 0.02); and had a higher proportion of nonconventional carcinomas (21% vs 7%; P = 0.03). Conclusions: PBM accounts for 8% of GBCs also in the West but is typically undiagnosed. PBM-GBCs tend to manifest in younger age and often through adenoma-carcinoma sequence, leading to unusual carcinoma types. If PBM is encountered, cholecystectomy and surveillance of bile ducts is warranted. PBM-associated GBCs offer an invaluable model for variant anatomy-induced chemical (reflux-related) carcinogenesis.
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13
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Desjonqueres E, Campani C, Marra F, Zucman-Rossi J, Nault JC. Preneoplastic lesions in the liver: Molecular insights and relevance for clinical practice. Liver Int 2022; 42:492-506. [PMID: 34982503 DOI: 10.1111/liv.15152] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/12/2022]
Abstract
Hepatocellular carcinoma (HCC) and cholangiocarcinoma (CCA) are the most frequent primary liver cancers, accounting for approximately 80% and 15%, respectively. HCC carcinogenesis occurs mostly in cirrhosis and is a complex multi-step process, from precancerous lesions (low-grade and high-grade dysplastic nodules) to progressed HCC. During the different stages of liver carcinogenesis, there is an accumulation of pathological, genetic and epigenetic changes leading to initiation, malignant transformation and finally tumour progression. In contrast, a small subset of HCC occurs in normal liver from the transformation of hepatocellular adenoma (HCA), a benign hepatocellular tumour. The recent molecular classification enables to stratify HCAs according to their risk of complication, in particular malignant transformation, associated with mutations in exon 3 of the catenin beta 1 (CTNNB1) gene. Cholangiocarcinoma (CCA) derives from the multistep malignant transformation of preneoplastic lesions, like biliary intraepithelial neoplasia (BilIN) and intraductal papillary neoplasm of the bile duct (IPNB), for which a pre-operative diagnosis remains difficult. Different genetic alterations are involved in BilIN and IPNB progression, leading to the development of tubular or intestinal adenocarcinoma. The aims of this review are to describe the main clinical and molecular features of preneoplastic lesions leading to the development of HCC and CCA, their implications in clinical practice and the perspectives for future research.
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Affiliation(s)
- Elvire Desjonqueres
- Service d'hépatologie, Hôpital Avicenne, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance-Publique Hôpitaux de Paris, Bobigny, France.,Unité de Formation et de Recherche Santé Médecine et Biologie Humaine, Université Paris 13, Communauté d'Universités et Etablissements Sorbonne Paris Cité, Paris, France.,Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, team « Functional Genomics of Solid Tumors », Paris, France.,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France
| | - Claudia Campani
- Unité de Formation et de Recherche Santé Médecine et Biologie Humaine, Université Paris 13, Communauté d'Universités et Etablissements Sorbonne Paris Cité, Paris, France.,Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, team « Functional Genomics of Solid Tumors », Paris, France.,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France.,Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Fabio Marra
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Jessica Zucman-Rossi
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, team « Functional Genomics of Solid Tumors », Paris, France.,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France.,Hôpital Européen Georges Pompidou, APHP, Paris, France
| | - Jean-Charles Nault
- Service d'hépatologie, Hôpital Avicenne, Hôpitaux Universitaires Paris-Seine-Saint-Denis, Assistance-Publique Hôpitaux de Paris, Bobigny, France.,Unité de Formation et de Recherche Santé Médecine et Biologie Humaine, Université Paris 13, Communauté d'Universités et Etablissements Sorbonne Paris Cité, Paris, France.,Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, team « Functional Genomics of Solid Tumors », Paris, France.,Equipe labellisée Ligue Nationale Contre le Cancer, Labex OncoImmunology, Paris, France
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14
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Ozcan K, Klimstra DS. A Review of Mucinous Cystic and Intraductal Neoplasms of the Pancreatobiliary Tract. Arch Pathol Lab Med 2022; 146:298-311. [PMID: 35192699 DOI: 10.5858/arpa.2021-0399-ra] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2021] [Indexed: 11/06/2022]
Abstract
CONTEXT.— Although most pancreatic and bile duct neoplasms are solid, mucinous cystic neoplasms and intraductal neoplasms have been increasingly recognized even when clinically silent, thanks to the increased use of sensitive imaging techniques. Cystic and intraductal neoplasms of the pancreas are often resectable and curable and constitute about 5% of all pancreatic neoplasms. Owing to their preinvasive nature and different biology, recognition of these entities remains a major priority. Mucinous cystic neoplasms are histologically and clinically distinct from other cystic pancreatic neoplasms. Pancreatic intraductal neoplasms encompass 3 major entities: intraductal papillary mucinous neoplasm, intraductal oncocytic papillary neoplasm, and intraductal tubulopapillary neoplasm. Intraductal papillary neoplasms of bile ducts are also preinvasive mass-forming neoplasms with both similarities and differences with their pancreatic counterparts. All of these pancreatobiliary neoplasms have diverse and distinctive clinicopathologic, genetic, and prognostic variations. OBJECTIVE.— To review the clinical, pathologic, and molecular features of mucinous cystic and intraductal neoplasms of the pancreatobiliary tract. DATA SOURCES.— Literature review, diagnostic manuals, and guidelines. CONCLUSIONS.— This review will briefly describe well-known clinical and pathologic features and will focus on selected recently described aspects of morphology, grading, classification, and genomic alterations of cystic and intraductal neoplasms of the pancreatobiliary tract.
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Affiliation(s)
- Kerem Ozcan
- From the Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - David S Klimstra
- From the Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
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15
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Trisal M, Khan S, Husain M, Ahmad N, Hassan MJ, Jetley S. Recently Described Entity of Intracholecystic Papillary Neoplasm of Gallbladder with Coexisting Xanthogranulomatous Cholecystitis: an Unusual Association. Indian J Surg Oncol 2021; 12:308-311. [DOI: 10.1007/s13193-021-01400-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 07/26/2021] [Indexed: 11/24/2022] Open
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16
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Hewitt DB, Brown ZJ, Pawlik TM. Surgical management of intrahepatic cholangiocarcinoma. Expert Rev Anticancer Ther 2021; 22:27-38. [PMID: 34730474 DOI: 10.1080/14737140.2022.1999809] [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] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Intrahepatic cholangiocarcinoma (ICC) incidence continues to rise worldwide, and overall survival remains poor. Complete surgical resection remains the only opportunity for cure in patients with ICC yet only one-third of patients present with resectable disease. AREAS COVERED While the low incidence rate of ICC hinders accrual of patients to large, randomized control trials, larger database and long-term institutional studies provide evidence to guide surgical management of ICC. These studies demonstrate feasibility, safety, and efficacy of aggressive surgical management in appropriately selected patients with ICC. Recent advances in the management of ICC, with a focus on surgical considerations, are reviewed. EXPERT OPINION Historically, little progress has been made in the management of ICC with stagnant mortality rates and poor long-term outcomes. However, regionalization of care to centers with experienced multidisciplinary teams, advances in minimally invasive surgical techniques, discovery and development of targeted and immunotherapy agents, and combination locoregional and systemic therapies offer signs of progress in the management of ICC.
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Affiliation(s)
- D Brock Hewitt
- Division of Surgical Oncology, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Zachary J Brown
- Division of Surgical Oncology, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Timothy M Pawlik
- Division of Surgical Oncology, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
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17
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Lee MH, Katabathina VS, Lubner MG, Shah HU, Prasad SR, Matkowskyj KA, Pickhardt PJ. Mucin-producing Cystic Hepatobiliary Neoplasms: Updated Nomenclature and Clinical, Pathologic, and Imaging Features. Radiographics 2021; 41:1592-1610. [PMID: 34597230 DOI: 10.1148/rg.2021210011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cystic hepatobiliary neoplasms with mucin-producing epithelium-mucinous cystic neoplasm of the liver (MCN) and intraductal papillary neoplasm of the bile duct (IPNB)-are rare and distinct entities that have unique clinical, pathologic, and imaging features. They are differentiated pathologically by the presence of subepithelial ovarian-like hypercellular stroma (OLS), which is the defining histopathologic feature of MCN. MCN is commonly a benign, large, solitary, symptomatic, multiloculated cystic mass without biliary communication that occurs in middle-aged women. On the other hand, IPNBs are a heterogeneous spectrum of tumors, which are commonly associated with invasive carcinoma, occur in older patients, and can be differentiated from MCN by communication with the biliary tree, intraductal masses, associated biliary ductal dilatation, and absent OLS. Understanding of these rare neoplasms has grown and evolved over time and continues to today, but uncertainty and controversy persist, related to the rarity of these tumors, relatively recent designation as separate entities, inherent clinicopathologic heterogeneity, overlapping imaging features, and the fact that many prior studies likely included MCN and cystic IPNB together as a single entity. Confusion regarding these neoplasms is evident by historical inconsistencies and nonstandardized nomenclature through the years. Awareness of these entities is important for the interpreting radiologist to suggest a particular diagnosis or generate a meaningful differential diagnosis in the appropriate setting, and is of particular significance as MCN and cystic IPNB have overlapping imaging features with other more common hepatobiliary cystic masses but have different management and prognosis. Online supplemental material is available for this article. Work of the U.S. Government published under an exclusive license with the RSNA.
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Affiliation(s)
- Matthew H Lee
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Venkata S Katabathina
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Meghan G Lubner
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Hardik U Shah
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Srinivasa R Prasad
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Kristina A Matkowskyj
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
| | - Perry J Pickhardt
- From the Department of Radiology, Naval Medical Center San Diego, 34800 Bob Wilson Dr, San Diego, CA 92134 (M.H.L.); Department of Radiology, University of Texas Health Science Center at San Antonio, San Antonio, Tex (V.S.K.); Departments of Radiology (M.G.L., P.J.P.) and Pathology (K.A.M.), University of Wisconsin School of Medicine and Public Health, Madison, Wis; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (H.U.S.); and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (S.R.P.)
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18
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Ng ACH, Nahm CB, Lam VWT. Intraductal papillary neoplasm of the bile duct with situs inversus: a rare disease with a rare anatomical anomaly. ANZ J Surg 2021; 91:E650-E651. [PMID: 33634575 DOI: 10.1111/ans.16690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/01/2022]
Affiliation(s)
- Arthur C H Ng
- Department of HPB Surgery, Westmead Hospital, Sydney, New South Wales, Australia
| | - Christopher B Nahm
- Department of HPB Surgery, Westmead Hospital, Sydney, New South Wales, Australia
| | - Vincent W T Lam
- Department of HPB Surgery, Westmead Hospital, Sydney, New South Wales, Australia
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19
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Tang C, Yuan P, Wang J, Zhang Y, Chang X, Jin D, Lei P, Lu Z, Chen B. MiR-192-5p regulates the proliferation and apoptosis of cholangiocarcinoma cells by activating MEK/ERK pathway. 3 Biotech 2021; 11:99. [PMID: 33552829 DOI: 10.1007/s13205-021-02650-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/09/2021] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Cholangiocarcinoma (CCA) is the second most common liver cancer, characterized by late diagnosis and fatal outcome. Although miR-192-5p has been shown to have a vital role in various cancers, its role in CCA is unknown. Here, we investigated the role of miR-192-5p in CCA cell proliferation and apoptosis, and elucidated its potential mechanism of action. METHODS The miR-192-5p expression in CCA tissues and cell lines was detected by real-time quantitative reverse transcription-polymerase chain reaction. Cell proliferation was analyzed using the cell counting Kit-8 and 5-bromodeoxyuridine staining assays, while apoptosis was examined by flow cytometry and the terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick-end labeling assay. Western blot analysis was used to measure the expression of cell proliferation and apoptosis-related proteins, as well as MEK/ERK signaling pathway-related proteins. RESULTS MiR-192-5p was highly expressed in CCA tissues and cell lines. Overexpression of miR-192-5p significantly promoted CCA proliferation, and inhibited apoptosis. The MEK inhibitor, PD98059, reversed these miR-192-5p-induced effects on MEK/ERK signaling-associated protein expression, proliferation promotion, and apoptosis inhibition in TFK-1 cells. CONCLUSION MiR-192-5p promotes proliferation and suppressed apoptosis of CCA cells via the MEK/ERK pathway, which may be a potential therapeutic strategy for CCA treatment.
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Dutta S, Upadhyay P, Jain A, Nachiappa Ganesh R, Nelamangala Ramakrishnaiah VP. Intraductal Papillary Neoplasm of the Bile Duct: A Rare Case of Intrahepatic Space-Occupying Lesion. Cureus 2021; 13:e13063. [PMID: 33680605 PMCID: PMC7929547 DOI: 10.7759/cureus.13063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Intraductal papillary neoplasm of the bile duct (IPNB) is a rare tumor and is considered one of the precursor lesions for cholangiocarcinoma. Though relatively common in the far east countries, it is uncommon in the Indian population. A 67-year-old gentleman presented with vague upper abdominal pain with no history of fever, jaundice, melena, or hematemesis. An abdominal ultrasound showed a solid cystic lesion in the left lobe of the liver with upstream dilatation of bile ducts. Computed tomography and magnetic resonance imaging showed similar findings. With a differential diagnosis of intrahepatic cholangiocarcinoma, intraductal papillary neoplasm, and biliary cystadenoma, he underwent robotic-assisted left hepatectomy. Histopathology was suggestive of IPNB. Following surgery, he had an uneventful recovery and was advised for follow-up visits every six months. A clinical, radiological, and pathological profile of this rare tumor has been described here with a review of the existing literature.
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Affiliation(s)
- Souradeep Dutta
- Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, IND
| | - Praveen Upadhyay
- Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, IND
| | - Ankit Jain
- Surgery, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, IND
| | - Rajesh Nachiappa Ganesh
- Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, IND
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22
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Kim JR, Jang KT, Jang JY, Lee K, Kim JH, Kim H, Kim SW, Kwon W, Choi DW, Heo J, Han IW, Hwang S, Kim WJ, Hong SM, Kim DS, Yu YD, Kim JY, Nah YW, Park HW, Choi HJ, Han HS, Yoon YS, Park SJ, Hong EK, Seo HI, Park DY, Kang KJ, Kang YN, Yu HC, Moon WS, Lim CS, Bae JM, Jo S, Lee W, Roh YH, Jeong JS, Jeong CY, Lee JS, Song IS, Kim KH, Kim HG, Cho CH, Joo SH, Won KY, Kim HJ, Choi JH, Chu CW, Lee JH, Park IY, Lee H, Lee SE, Kim HS, Lee HK, Cho MS, Kim H, Han KM. Clinicopathologic analysis of intraductal papillary neoplasm of bile duct: Korean multicenter cohort study. HPB (Oxford) 2020; 22:1139-1148. [PMID: 31837945 DOI: 10.1016/j.hpb.2019.11.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 10/02/2019] [Accepted: 11/11/2019] [Indexed: 02/08/2023]
Abstract
BACKGROUND IPNB is very rare disease and most previous studies on IPNB were case series with a small number due to low incidence. The aim of this study is to validate previously known clinicopathologic features of intraductal papillary neoplasm of bile duct (IPNB) based on the first largest multicenter cohort. METHODS Among 587 patients previously diagnosed with IPNB and similar diseases from each center in Korea, 387 were included in this study after central pathologic review. We also reviewed all preoperative image data. RESULTS Of 387 patients, 176 (45.5%) had invasive carcinoma and 21 (6.0%) lymph node metastasis. The 5-year overall survival was 80.9% for all patients, 88.8% for IPNB with mucosal dysplasia, and 70.5% for IPNB with invasive carcinoma. According to the "Jang & Kim's modified anatomical classification," 265 (68.5%) were intrahepatic, 103 (26.6%) extrahepatic, and 16 (4.1%) diffuse type. Multivariate analysis revealed that tumor invasiveness was a unique predictor for survival analysis. (p = 0.047 [hazard ratio = 2.116, 95% confidence interval 1.010-4.433]). CONCLUSIONS This is the first Korean multicenter study on IPNB through central pathologic and radiologic review process. Although IPNB showed good long-term prognosis, relatively aggressive features were also found in invasive carcinoma and extrahepatic/diffuse type.
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Affiliation(s)
- Jae Ri Kim
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Hospital), South Korea
| | - Kee-Taek Jang
- Dept. of Pathology, Sungkyunkwan University School of Medicine (Samsung Medical Center), South Korea
| | - Jin-Young Jang
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Hospital), South Korea.
| | - Kyungbun Lee
- Dept. of Pathology, Seoul National University College of Medicine (Seoul National University Hospital), South Korea
| | - Jung Hoon Kim
- Dept. of Radiology, Seoul National University College of Medicine (Seoul National University Hospital), South Korea
| | - Haeryoung Kim
- Dept. of Pathology, Seoul National University College of Medicine (Seoul National University Hospital), South Korea; Dept. of Pathology, Seoul National University College of Medicine (Seoul National University Bundang Hospital), South Korea
| | - Sun-Whe Kim
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Hospital), South Korea
| | - Wooil Kwon
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Hospital), South Korea
| | - Dong Wook Choi
- Dept. of Surgery, Sungkyunkwan University School of Medicine (Samsung Medical Center), South Korea
| | - JinSeok Heo
- Dept. of Surgery, Sungkyunkwan University School of Medicine (Samsung Medical Center), South Korea
| | - In Woong Han
- Dept. of Surgery, Sungkyunkwan University School of Medicine (Samsung Medical Center), South Korea
| | - Shin Hwang
- Dept. of Surgery, University of Ulsan College of Medicine (Asan Medical Center), South Korea
| | - Wan-Joon Kim
- Dept. of Surgery, University of Ulsan College of Medicine (Asan Medical Center), South Korea
| | - Seung-Mo Hong
- Dept. of Pathology, University of Ulsan College of Medicine (Asan Medical Center), South Korea
| | - Dong-Sik Kim
- Dept. of Surgery, Korea University College of Medicine, South Korea
| | - Young-Dong Yu
- Dept. of Surgery, Korea University College of Medicine, South Korea
| | - Joo Young Kim
- Dept. of Pathology, Korea University College of Medicine, South Korea
| | - Yang Won Nah
- Dept. of Surgery, University of Ulsan College of Medicine (Ulsan University Hospital), South Korea
| | - Hyung Woo Park
- Dept. of Surgery, University of Ulsan College of Medicine (Ulsan University Hospital), South Korea
| | - Hye-Jeong Choi
- Dept. of Pathology, University of Ulsan College of Medicine (Ulsan University Hospital), South Korea
| | - Ho-Seong Han
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Bundang Hospital), South Korea
| | - Yoo-Seok Yoon
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Bundang Hospital), South Korea
| | - Sang Jae Park
- Dept. of Surgery, National Cancer Center, South Korea
| | | | - Hyung Il Seo
- Dept. of Surgery, Pusan National University School of Medicine (Pusan National University Hospital), South Korea
| | - Do Youn Park
- Dept. of Pathology, Pusan National University School of Medicine (Pusan National University Hospital), South Korea
| | - Koo Jeong Kang
- Dept. of Surgery, Keimyung University School of Medicine, South Korea
| | - Yu Na Kang
- Dept. of Pathology, Keimyung University School of Medicine, South Korea
| | - Hee Chul Yu
- Dept. of Surgery, Chonbuk National University Medical School, South Korea
| | - Woo Sung Moon
- Dept. of Pathology, Chonbuk National University Medical School, South Korea
| | - Chang-Sup Lim
- Dept. of Surgery, Seoul National University College of Medicine (Boramae Medical Center), South Korea
| | - Jeong Mo Bae
- Dept. of Pathology, Seoul National University College of Medicine (Boramae Medical Center), South Korea
| | - Sungho Jo
- Dept. of Surgery, Dankook University College of Medicine, South Korea
| | - Wonae Lee
- Dept. of Pathology, Dankook University College of Medicine, South Korea
| | - Young Hun Roh
- Dept. of Surgery, Dong-A University College of Medicine, South Korea
| | - Jin Sook Jeong
- Dept. of Pathology, Dong-A University College of Medicine, South Korea
| | - Chi-Young Jeong
- Dept. of Surgery, Gyeongsang National University Postgraduate School of Medicine, South Korea
| | - Jong Sil Lee
- Dept. of Pathology, Gyeongsang National University Postgraduate School of Medicine, South Korea
| | - In-Sang Song
- Dept. of Surgery, Chungnam National University School of Medicine, South Korea
| | - Kyung-Hee Kim
- Dept. of Pathology, Chungnam National University School of Medicine, South Korea
| | - Ho Gak Kim
- Dept. of Surgery, Daegu Catholic University School of Medicine, South Korea
| | - Chang Ho Cho
- Dept. of Pathology, Daegu Catholic University School of Medicine, South Korea
| | - Sun-Hyung Joo
- Dept. of Surgery, Kyung Hee University School of Medicine, South Korea
| | - Kyu Yeoun Won
- Dept. of Pathology, Kyung Hee University School of Medicine, South Korea
| | - Hong Jin Kim
- Dept. of Surgery, Yeungnam University College of Medicine, South Korea
| | - Joon Hyuk Choi
- Dept. of Pathology, Yeungnam University College of Medicine, South Korea
| | - Chong-Woo Chu
- Dept. of Surgery, Pusan National University School of Medicine (Pusan National University Yangsan Hospital), South Korea
| | - Jung Hee Lee
- Dept. of Pathology, Pusan National University School of Medicine (Pusan National University Yangsan Hospital), South Korea
| | - Il Young Park
- Dept. of Surgery, Catholic University College of Medicine, South Korea
| | - Heejeong Lee
- Dept. of Pathology, Catholic University College of Medicine, South Korea
| | - Seung Eun Lee
- Dept. of Surgery, Chung-Ang University College of Medicine, South Korea
| | - Hee Sung Kim
- Dept. of Pathology, Chung-Ang University College of Medicine, South Korea
| | - Hyeon Kook Lee
- Dept. of Surgery, Ewha Womans University School of Medicine, South Korea
| | - Min-Sun Cho
- Dept. of Pathology, Ewha Womans University School of Medicine, South Korea
| | - Hongbeom Kim
- Dept. of Surgery, Seoul National University College of Medicine (Seoul National University Hospital), South Korea; Dept. of Surgery, Dongguk University College of Medicine (Dongguk University Ilsan Hospital), South Korea
| | - Kang Min Han
- Dept. of Pathology, Dongguk University College of Medicine (Dongguk University Ilsan Hospital), South Korea
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Intracholecystic tubular non-mucinous neoplasm (ICTN) of the gallbladder: a clinicopathologically distinct, invasion-resistant entity. Virchows Arch 2020; 478:435-447. [PMID: 32691142 DOI: 10.1007/s00428-020-02877-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 05/26/2020] [Accepted: 06/17/2020] [Indexed: 12/17/2022]
Abstract
Preinvasive tumor-forming gallbladder neoplasms that are composed of small, non-mucinous tubules with complex architecture remain a poorly characterized group. Here, we evaluated the clinicopathological characteristics of this entity. Twenty-eight examples were analyzed. Tumors were invariably pedunculated polyps with thin stalks, often presented as loosely attached intraluminal nodules, with cauliflower architecture (akin to cholesterol polyps) comprised of compact, back-to-back acinar-like, small tubular units with minimal/no cytoplasm showing variable complexity, creating a picture distinct from the other tubular type dysplasia in the gallbladder. Their limited stroma showed distinctive amorphous amyloid-like hyalinization (39%). While some had round nuclei with single prominent nucleoli, others exhibited slightly more elongated nuclei with washed out chromatin reminiscent of papillary thyroid carcinoma. Squamoid/meningothelial-like morules (71%) and subtle neuroendocrine cell clusters (39%) were frequent. The level of cytoarchitectural atypia qualified as high-grade dysplasia (HGD) in all cases, but none were invasive. The background mucosa showed no dysplasia, but cholesterolosis. The majority (n = 8/12) showed diffuse MUC6 expression and lacked MUC5AC expression. Based on these observations, 635 gallbladder carcinomas were re-analyzed for residual/adjacent lesions with entity-defining characteristics disclosed here, and none could be identified. Preinvasive tubular non-mucinous neoplasm of the gallbladder, which we propose to classify as intracholecystic tubular non-mucinous neoplasm, is a clinicopathologically discrete entity, which tends to occur in uninjured gallbladders and in association with cholesterol polyps. By being tubular, non-mucinous and MUC6-positive, it is akin to intraductal tubulopapillary neoplasms of pancreatobiliary tract, but it is also different in many other aspects. Although their cytoarchitectural complexity warrants an HGD/carcinoma classification, they do not show invasion and their distinct characteristics warrant their separate classification.
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24
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Abstract
The ampulla of Vater gives rise to a versatile group of cancers of mixed/hybrid histologic phenotype. Ampullary carcinomas (ACs) are most frequently intestinal or pancreatobiliary adenocarcinomas but other subtypes, such as medullary, mucinous, or signet ring/poorly cohesive cell carcinoma, may be encountered. Ampullary cancer can also be subclassified based on immunohistochemical features, however these classification systems fail to show robust prognostic reliability. More recently, the molecular landscape of AC has been uncovered, and has been shown to have prognostic and predictive significance. In this article, the site-specific, histologic, and genetic characteristics of ampullary carcinoma and its precursor lesions are discussed.
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Affiliation(s)
- Yue Xue
- Department of Pathology and Laboratory Medicine, Northwestern University, 251 East Huron Street, Room 7332, Chicago, IL 60611, USA
| | - Michelle D Reid
- Department of Pathology and Laboratory Medicine, Emory University Hospital, 1364 Clifton Road Northeast, Room H 180A, Atlanta, GA 30322, USA.
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25
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Prevalence and Clinical Significance of Biliary Intraepithelial Neoplasia (BilIN) in Cholangiocarcinoma. Indian J Surg 2020. [DOI: 10.1007/s12262-019-01930-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Choe JW, Kim HJ, Kim JS. Survival improvement and prognostic factors in recent management of extrahepatic cholangiocarcinoma: A single-center study. Hepatobiliary Pancreat Dis Int 2020; 19:153-156. [PMID: 31974040 DOI: 10.1016/j.hbpd.2019.12.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 12/26/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Cholangiocarcinoma was considered as a dismal disease with very poor prognosis until recently. Cholangiocarcinoma is increasingly found due to increased life expectancy. Although surgical and medical management were advanced recently, data on the prognosis, especially extrahepatic cholangiocarcinoma (ECC), were limited. This study aimed to identify clinicopathologic features and prognosis of patients with ECC. METHODS Patients followed up and diagnosed with ECC between January 2014 and December 2016 at a tertiary hospital were included, whereas those with intrahepatic cholangiocarcinoma, gallbladder cancer, and ampullary cancer were excluded. RESULTS A total of 83 patients were followed after the treatment (49 men and 34 women; median age 73.3 years). Cancer location was classified as distal common bile duct (25 patients), proximal common bile duct (24 patients), common hepatic duct (20 patients), and hilar (14 patients). About 14.5% of patients had history of another malignant neoplasm, and 24.1% patients had chronic illness. Surgical resection was performed in 54 patients (65%) and dysplasia was combined in 63% (34/54). Adjuvant chemotherapy was performed in 54% (29/54), but only 7 underwent palliative chemotherapy in 29 nonsurgical patients. The median overall survival in all patients was 30.9 months. In analyzing the treatment modality, median survival of adjuvant chemotherapy, surgery only, palliative chemotherapy, and supportive care groups were 42.9, 30.9, 12.0, and 8.9 months, respectively (P < 0.05). In the Cox regression analysis of survival, age, surgical resection, chemotherapy, and comorbidity were significant prognostic factors, and the comorbidity was the only significant prognostic factor in the multivariable analysis (hazard ratio [HR] = 2.80; 95% CI: 1.32-5.95; P = 0.007). In a subgroup analysis of surgical patients, the presence of dysplasia was a favorable prognostic factor in the multivariable analysis (HR = 0.29; 95% CI: 0.09-0.91; P = 0.033). CONCLUSIONS The overall survival of patients with ECC was quite high and increased with chemotherapy. Absence of comorbidity, and presence of dysplasia were good prognostic factors.
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Affiliation(s)
- Jung Wan Choe
- Division of Gastroenterology, Department of Internal Medicine, Korea University Ansan Hospital, Korea University College of Medicine, 516 Gojan-dong, Danwon-gu, Ansan-si, Gyeonggi-do, 15355, Korea
| | - Hyo Jung Kim
- Division of Gastroenterology, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul 08308, Korea.
| | - Jae Seon Kim
- Division of Gastroenterology, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul 08308, Korea
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Abstract
Cancers of the biliary tract include intra- and extrahepatic cholangiocarcinomas and gallbladder cancer. Biliary tract cancers are diseases with unfavorable prognoses. In recent years, several lesions have been described as precursors that precede biliary cancers. They include flat and microscopic lesions known as biliary intraepithelial neoplasia, macroscopic and tumor-forming intraductal papillary biliary neoplasia, intraductal tubular neoplasia, and mucinous cystic neoplasm of the bile duct. These conditions are rarely diagnosed, while their natural history and progression to cancer have yet to be adequately characterized. This review examines the epidemiology, pathology, molecular biology, diagnosis, and therapy of these various precursors. Further research is required if we are to better understand this evolving field and improve the prevention and early detection of bile duct cancer.
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28
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Yokode M, Hanada K, Shimizu A, Minami T, Hirohata R, Abe T, Amano H, Yonehara S, Zen Y. Intracholecystic papillary neoplasm of the gallbladder protruding into the common bile duct: A case report. Mol Clin Oncol 2019; 11:488-492. [PMID: 31602301 PMCID: PMC6776826 DOI: 10.3892/mco.2019.1919] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 08/14/2019] [Indexed: 11/05/2022] Open
Abstract
The current study indicates the case of intracholecystic papillary neoplasm (ICPN) protruding into the common bile duct (CBD) without superficial spread. A 58-year-old woman presented to hospital with a fever that lasted for three days. Laboratory tests revealed elevated hepatobiliary enzyme levels. CT, MRI and endoscopic ultrasonography revealed a polypoid, papillary tumor inside the gallbladder cavity, which also extended to the CBD. On peroral cholangioscopy, a papillary tumor with mucin production was found at the middle bile duct. Biliary biopsy and bile cytology indicated adenocarcinoma. Based on a diagnosis of ICPN extending to the CBD, the patient underwent subtotal stomach-preserving pancreaticoduodenectomy and gallbladder bed resection. However, pathological examination revealed that the ICPN was confined to the gallbladder and cystic duct, whereas the CBD was tumor-free. The present case indicates that when ICPN increases in size, it may protrude into the CBD due to an increased intracholecystic pressure, which increases the risk of overestimation of tumor extension and may result in unnecessary additional bile duct resection.
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Affiliation(s)
- Masataka Yokode
- Department of Gastroenterology, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Keiji Hanada
- Department of Gastroenterology, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Akinori Shimizu
- Department of Gastroenterology, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Tomoyuki Minami
- Department of Gastroenterology, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Ryosuke Hirohata
- Department of Surgery, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Tomoyuki Abe
- Department of Surgery, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Hironobu Amano
- Department of Surgery, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Shuji Yonehara
- Department of Pathology, Onomichi General Hospital, Onomichi, Hiroshima 722-8508, Japan
| | - Yoh Zen
- Institute of Liver Studies, King's College Hospital, London SE5 9RS, UK
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Yoon KC, Yu YD, Kang WH, Jo HS, Kim DS, Kim JY. Prevalence and Clinical Significance of Biliary Intraepithelial Neoplasia (BilIN) in Cholangiocarcinoma. Am Surg 2019. [DOI: 10.1177/000313481908500529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Biliary intraepithelial neoplasia (BilIN) is the most common noninvasive precursor lesion which progresses to cholangiocarcinoma (CC) and is often found synchronously adjacent to the tumor or at the surgical resection margin. The aim of this study was to elucidate the prevalence and prognostic effect of BilIN on survival after resection for CC. We retrospectively analyzed the database of patients with CC who underwent surgery performed at our institution from 2010 to 2017. There were 142 patients who underwent surgery for CC. BilIN was detected in 42 patients (29.5%). On univariate analysis, extrahepatic CC (ExtraH CC) patients with BilIN lesions significantly showed better disease-free survival ( P = 0.05). Also, although not statistically significant, ExtraH CC patients with BilIN lesions revealed better overall survival (OS) ( P = 0.09). On multivariate analysis, presence of BilIN lesion, irrespective of location, was significantly associated with better disease-free survival (HR = 2.059, 95% confidence interval (CI): 1.057–4.432, P = 0.041) and OS (HR = 1.831, 95% CI: 1.149–3.534, P = 0.044) in ExtraH CC patients. The presence of BilIN lesions was not uncommon in CC patients and was significantly associated with better disease-free survival and OS in ExtraH CC patients. However, larger studies with longer follow-up are needed to accurately determine its clinical significance.
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Affiliation(s)
- Kyung-Chul Yoon
- Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea; and
| | - Young-Dong Yu
- Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea; and
| | - Woo-Hyung Kang
- Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea; and
| | - Hye-Sung Jo
- Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea; and
| | - Dong-Sik Kim
- Division of HBP Surgery and Liver Transplantation, Department of Surgery, Korea University College of Medicine, Seoul, Korea; and
| | - Joo-Young Kim
- Department of Pathology, Eulji Medical Center, Seoul, Korea
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Chatterjee A, Lopes Vendrami C, Nikolaidis P, Mittal PK, Bandy AJ, Menias CO, Hammond NA, Yaghmai V, Yang GY, Miller FH. Uncommon Intraluminal Tumors of the Gallbladder and Biliary Tract: Spectrum of Imaging Appearances. Radiographics 2019; 39:388-412. [PMID: 30707646 DOI: 10.1148/rg.2019180164] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Intraluminal pathologic conditions of the bile ducts and gallbladder are common, most frequently consisting of calculi and adenocarcinoma. In recent years, intraductal papillary neoplasm of the bile ducts (IPN-B), which is analogous to intraductal papillary mucinous neoplasm of the pancreas, has been recognized as a distinct pathologic entity and a precursor lesion to adenocarcinoma of the bile ducts. Intraductal tubulopapillary neoplasm (ITPN) of the bile duct was subsequently described as a distinct pathologic entity. With increased awareness and advances in imaging techniques, these lesions are diagnosed with increased frequency at preoperative imaging. A similar neoplasm in the gallbladder is referred to as intracholecystic papillary neoplasm. These lesions are often diagnosed at a preinvasive stage and have a better prognosis than invasive cholangiocarcinoma when treated with curative resection, underscoring the importance of an accurate imaging diagnosis. The most common causes of polypoid lesions of the gallbladder are cholesterol polyps and adenomyomatosis. These lesions need to be differentiated from the less common but clinically important adenocarcinoma of the gallbladder. Imaging is crucial to identify polyps that are at high risk for malignancy so that the appropriate management choice between imaging follow-up and cholecystectomy can be made by the treating physicians. Other less common gallbladder tumors, such as gallbladder adenomas, lymphoma, and metastases to the gallbladder, can manifest as intraluminal tumors; and awareness of these lesions is also important. In this article, the recent literature is reviewed; and the imaging appearances, histopathologic findings, and management of uncommon intraluminal tumors of the bile ducts and gallbladder and their mimics are discussed. ©RSNA, 2019.
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Affiliation(s)
- Argha Chatterjee
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Camila Lopes Vendrami
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Paul Nikolaidis
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Pardeep K Mittal
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Andrew J Bandy
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Christine O Menias
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Nancy A Hammond
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Vahid Yaghmai
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Guang-Yu Yang
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
| | - Frank H Miller
- From the Departments of Radiology (A.C., C.L.V., P.N., N.A.H., V.Y., F.H.M.) and Pathology (A.J.B., G.Y.Y.), Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, 676 N St. Clair St, Suite 800, Chicago, IL 60611; Department of Radiology, Emory University School of Medicine, Atlanta, Ga (P.K.M.); and Department of Radiology, Mayo Clinic, Scottsdale, Ariz (C.O.M.)
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Lendvai G, Szekerczés T, Illyés I, Dóra R, Kontsek E, Gógl A, Kiss A, Werling K, Kovalszky I, Schaff Z, Borka K. Cholangiocarcinoma: Classification, Histopathology and Molecular Carcinogenesis. Pathol Oncol Res 2018; 26:3-15. [PMID: 30448973 DOI: 10.1007/s12253-018-0491-8] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 10/10/2018] [Indexed: 02/06/2023]
Abstract
Cholangiocarcinoma (CC) is the second most common tumor of the liver, originating from the biliary system with increasing incidence and mortality worldwide. Several new classifications review the significance of tumor localization, site of origin, proliferation and biomarkers in the intrahepatic, perihilar and distal forms of the lesion. Based on growth pattern mass-forming, periductal-infiltrating, intraductal, undefined and mixed types are differentiated. There are further subclassifications which are applied for the histological features, in particular for intrahepatic CC. Recognition of the precursors and early lesions of CC including biliary intraepithelial neoplasia (BilIN), intraductal papillary neoplasm of the bile ducts (IPNB), biliary mucinous cystic neoplasm (MCNB) and the candidate precursors, such as bile duct adenoma and von Meyenburg complex is of increasing significance. In addition to the previously used biliary markers detected by immunohistochemistry, several new markers have been added to the differentiation of both the benign and malignant lesions, which can be used to aid in the subclassification in association with the outcome of CC. Major aspects of biliary carcinogenesis have been revealed, yet, the exact way of this diverse process is still unclear. The factors contributing to molecular cholangiocarcinogenesis include various risk factors, different anatomical localizations, multiple cellular origins, genetic and epigenetic alterations, tumor microenvironment, heterogeneity and clonal evolution. Driver mutations have been identified, implying that they are optimal candidates for targeted therapy. The most promising therapeutic candidates have entered clinical trials.
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Affiliation(s)
- Gábor Lendvai
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Tímea Szekerczés
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Idikó Illyés
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Réka Dóra
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Endre Kontsek
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Alíz Gógl
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - András Kiss
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
| | - Klára Werling
- 2nd Department of Internal Medicine, Semmelweis University, Budapest, 1085, Hungary
| | - Ilona Kovalszky
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, 1085, Hungary
| | - Zsuzsa Schaff
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary.
| | - Katalin Borka
- 2nd Department of Pathology, Semmelweis University, Üllői út 93, Budapest, H-1091, Hungary
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Intraductal Papillary Neoplasm of the Bile Duct: Clinical, Imaging, and Pathologic Features. AJR Am J Roentgenol 2018; 211:67-75. [PMID: 29629808 DOI: 10.2214/ajr.17.19261] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE We outline the concept of intraductal papillary neoplasm of the bile duct (IPNB), discuss the morphologic features of IPNB and the differential diagnoses, and describe the radiologic approaches used in multidisciplinary management. CONCLUSION The concept of IPNB has been evolving. Because the imaging features of IPNB can be variable, different mimickers according to IPNB subtype can be considered. A multimodality approach is essential to obtain an optimal diagnosis and establish treatment plans.
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Intraductal Papillary Neoplasm of the Bile Duct: Multimodality Imaging Appearances and Pathological Correlation. Can Assoc Radiol J 2017; 68:77-83. [DOI: 10.1016/j.carj.2016.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 06/22/2016] [Accepted: 07/06/2016] [Indexed: 12/13/2022] Open
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Páez Cumpa C, Erimeiku Barahona A, Payeras Capó MA, Amengual Antich I, Garrido Durán C. Hemobilia due to intracholecystic papillary neoplasm. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2017; 109:70-73. [PMID: 28099033 DOI: 10.17235/reed.2016.4205/2016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We report the case of a 39-year-old patient who presented an episode of upper gastrointestinal bleeding due to hemobilia. The imaging tests showed the gallbladder occupied by solid tissue, with a diagnosis of intracholecystic papillary neoplasm after the cholecystectomy. The intracholecystic papillary neoplasm of the gallbladder is a newly established entity and it is considered a subtype of intraductal papillary neoplasm of the bile duct. Its presentation in the form of hemobilia has barely been described in the literature.
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Warner WA, Ramcharan W, Harnanan D, Umakanthan S, Maharaj R. A case of distal extrahepatic cholangiocarcinoma with two positive resection margins. Oncol Lett 2016; 12:4075-4079. [PMID: 27895774 DOI: 10.3892/ol.2016.5174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/25/2016] [Indexed: 11/05/2022] Open
Abstract
Cholangiocarcinoma is an uncommon primary malignancy of the biliary tract that is challenging to diagnose and treat effectively due to its relatively silent and late clinical presentation. The present study reports a case of a 60-year-old male with distal extrahepatic cholangiocarcinoma with a 3-week history of painless obstructive jaundice symptoms and subjective weight loss. Imaging revealed an obstructing lesion in the common bile duct, just distal to the entrance of the cystic duct. Pathology revealed moderately differentiated cholangiocarcinoma with two positive proximal resection margins. The two positive resection margins presented a challenge during surgery and points to an urgent need for further studies to better illuminate diagnostic and therapeutic options for patients with similar clinicopathological presentation.
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Affiliation(s)
- Wayne A Warner
- Division of Oncology, Siteman Cancer Center, Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Wesley Ramcharan
- Department of Clinical Surgical Sciences, University of The West Indies, Eric Williams Medical Sciences Complex, Champ Fleurs, Trinidad and Tobago
| | - Dave Harnanan
- Department of Clinical Surgical Sciences, University of The West Indies, Eric Williams Medical Sciences Complex, Champ Fleurs, Trinidad and Tobago
| | - Srikanth Umakanthan
- Department of Clinical Surgical Sciences, University of The West Indies, Eric Williams Medical Sciences Complex, Champ Fleurs, Trinidad and Tobago
| | - Ravi Maharaj
- Department of Clinical Surgical Sciences, University of The West Indies, Eric Williams Medical Sciences Complex, Champ Fleurs, Trinidad and Tobago
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Ainechi S, Lee H. Updates on Precancerous Lesions of the Biliary Tract: Biliary Precancerous Lesion. Arch Pathol Lab Med 2016; 140:1285-1289. [DOI: 10.5858/arpa.2015-0396-rs] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Precursor lesions of invasive adenocarcinoma of the bile duct (cholangiocarcinoma) have been increasingly recognized during the past decade because of the results of multiple studies on the carcinogenesis of cholangiocarcinoma, technologic advancements in diagnostic imaging modalities, and an increase in the volume of elective procedures. The two main precursor lesions of cholangiocarcinoma that have evolved are biliary intraepithelial neoplasia and intraductal papillary neoplasm of the bile duct. These lesions demonstrate histomorphologic similarities to pancreatic intraepithelial neoplasia and intraductal papillary mucinous neoplasm of the pancreas, respectively, whereas mechanisms of carcinogenesis and risk of progressive disease appear distinct. An enhanced understanding of the clinical presentation and pathologic features of precursor lesions of the biliary tract and use of the correct terminology will facilitate efficient communication between surgeons, oncologists, and pathologists and improve quality of patient care.
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Affiliation(s)
- Sanaz Ainechi
- From the Department of Pathology and Laboratory Medicine, Albany Medical Center, Albany, New York
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The Relationship Between Intracholecystic Papillary-Tubular Neoplasms and Invasive Carcinoma of the Gallbladder. Int J Surg Pathol 2016; 24:504-11. [DOI: 10.1177/1066896916644781] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Introduction. The term intracholecystic papillary-tubular neoplasm (ICPN) is suggested by some authors for a group of exophytic lesions of the gallbladder. In our study, demographic, pathological, and immunohistochemical features of 45 ICPN cases and their relationship with invasive carcinoma were analyzed. Material and methods. A total of 45 ICPN cases were retrieved out of 7334 cholecystectomies performed between1996 and 2014. Cases were evaluated with regard to demographic, pathological, and immunohistochemical features. Correlation between the clinical and histopathological data and occurrence of invasion was sought. Results. The incidence of ICPN was 0.61% in our series. Invasive carcinoma was observed in 56% of cases. Factors associated with invasion were diffuse high-grade dysplasia ( P = .002), papillary growth pattern ( P = .001), greatest diameter of the lesion, and high Ki67 proliferation index ( P < .0001). Discussion. Some authors have reported that small intracholecystic exophytic lesions without high-grade dysplasia are considered to be inconsequential. However, there are not enough data concerning the features of large lesions with high-grade dysplasia and their prognoses. Our data suggest that cases with diffuse high-grade dysplasia and tubulopapillary/papillary growth pattern, large tumor size, and high Ki67 proliferation index should be studied for the presence of invasion.
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Jang KT, Ahn S. Tumoral Versus Flat Intraepithelial Neoplasia of Pancreatobiliary Tract, Gallbladder, and Ampulla of Vater. Arch Pathol Lab Med 2016; 140:429-36. [DOI: 10.5858/arpa.2015-0319-ra] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Context.—The identification of a precursor lesion is important to understanding the histopathologic and genetic alterations in carcinogenesis. There are a plethora of terminologies that describe precursor lesions of the pancreatobiliary tract, ampulla of Vater, and gallbladder. The current terminologies for precursor lesions may make it difficult to understand the tumor biology. Here, we propose the concept of tumoral and flat intraepithelial neoplasia to improve our understanding of precursor lesions of many epithelial organs, including the pancreatobiliary tract, ampulla of Vater, and gallbladder.
Objective.—To understand the dichotomous pattern of tumoral and flat intraepithelial neoplasia in carcinogenesis of pancreatobiliary tract, ampulla of Vater, and gallbladder.
Data Sources.—Review of relevant literatures indexed in PubMed.
Conclusions.—Tumoral intraepithelial neoplasia presents as an intraluminal or intraductal, mass-forming, polypoid lesion or a macroscopic, visible, cystic lesion without intracystic papillae. Microscopically, tumoral intraepithelial neoplasia shows various proportions of papillary and tubular architecture, often with a mixed pattern, such as papillary, tubular, and papillary-tubular. The malignant potential depends on the degree of dysplasia and the cell phenotype of the epithelium. Flat intraepithelial neoplasia presents as a flat or superficial, spreading, mucosal lesion that is frequently accompanied by an invasive carcinoma. Tumoral and flat intraepithelial neoplasias are not homogeneous entities and may exhibit histopathologic spectrum changes and different genetic profiles. Although intraepithelial neoplasia showed a dichotomous pattern in the tumoral versus flat types, they can coexist. Tumoral and flat intraepithelial neoplasia can be interpreted as part of a spectrum of changes in the carcinogenesis pathway of each organ.
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Affiliation(s)
| | - Sangjeong Ahn
- From the Department of Pathology and Translational Genomics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea (Dr Jang); and the Department of Pathology, Pusan National University Hospital and the Pusan National University School of Medicine, and the Biomedical Research Institute, Pusan National University Hospital, Pusan, Korea (Dr Ahn)
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39
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Ma C, Gocke CD, Hruban RH, Belchis DA. Mutational spectrum of intraepithelial neoplasia in pancreatic heterotopia. Hum Pathol 2015; 48:117-21. [PMID: 26626780 DOI: 10.1016/j.humpath.2015.09.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 09/05/2015] [Accepted: 09/18/2015] [Indexed: 12/30/2022]
Abstract
Heterotopic pancreatic parenchyma recapitulates the normal pancreas in extrapancreatic locations and, on rare occasions, can even give rise to pancreatic adenocarcinoma. The genetic signatures of pancreatic adenocarcinoma and its precursor lesions are well characterized. We explored the genetic alterations in precursor lesions (intraductal papillary mucinous neoplasms [IPMN], pancreatic intraepithelial neoplasia [PanIN]) in patients with pancreatic heterotopias but without concomitant pancreatic ductal adenocarcinomas. This allowed us to determine whether the stereotypical dysplasia--infiltrating carcinoma sequence also occurs in these extrapancreatic foci. Seven cases of heterotopic pancreas with ductal precursor lesions were identified. These included 2 IPMNs with focal high-grade dysplasia and 5 PanINs with low- to moderate-grade dysplasia (PanIN grades 1-2). Neoplastic epithelium was microdissected and genomic DNA was extracted. Sequencing of commonly mutated hotspots (KRAS, TP53, CDKN2A, SMAD4, BRAF, and GNAS) in pancreatic ductal adenocarcinoma and its precursor lesions was performed. Both IPMNs were found to have KRAS codon 12 mutations. The identification of KRAS mutations suggests a genetic pathway shared with IPMN of the pancreas. No mutations were identified in our heterotopic PanINs. One of the possible mechanisms for the development of dysplasia in these lesions is field effect. At the time of these resections, there was no clinical or pathologic evidence of a prior or concomitant pancreatic lesion. However, a clinically undetectable lesion is theoretically possible. Therefore, although a field effect cannot be excluded, there was no evidence for it in this study.
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Affiliation(s)
- Changqing Ma
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21224
| | - Christopher D Gocke
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21224
| | - Ralph H Hruban
- The Sol Goldman Pancreatic Cancer Research Center, Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21224
| | - Deborah A Belchis
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21224.
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Bennett S, Marginean EC, Paquin-Gobeil M, Wasserman J, Weaver J, Mimeault R, Balaa FK, Martel G. Clinical and pathological features of intraductal papillary neoplasm of the biliary tract and gallbladder. HPB (Oxford) 2015; 17:811-8. [PMID: 26278323 PMCID: PMC4557656 DOI: 10.1111/hpb.12460] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2015] [Accepted: 05/25/2015] [Indexed: 02/06/2023]
Abstract
BACKGROUND Intraductal papillary neoplasms of the biliary tract (IPNB) and intracholecystic papillary neoplasms (ICPN) are rare tumours characterized by intraluminal papillary growth that can be associated with invasive carcinoma. Their natural history remains poorly understood. This study examines clinicopathological features and outcomes. METHODS Patients who underwent surgery for IPNB/ICPN (2008-2014) were identified. Descriptive statistics and survival data were generated. RESULTS Of 23 patients with IPNB/ICPN, 10 were male, and the mean age was 68 years. The most common presentations were abdominal pain (n = 10) and jaundice (n = 9). Tumour locations were: intrahepatic (n = 5), hilar (n = 3), the extrahepatic bile duct (n = 8) and the gallbladder (n = 7). Invasive cancer was found in 20/23 patients. Epithelial subtypes included pancreatobiliary (n = 15), intestinal (n = 7) and gastric (n = 1). The median follow-up was 30 months. The 5-year overall (OS) and disease-free survivals (DFS) were 51% and 57%, respectively. Decreased OS (P = 0.09) and DFS (P = 0.05) were seen in patients with tumours expressing MUC1 on immunohistochemistry (IHC). CONCLUSION IPNB/ICPN are rare precursor lesions that can affect the entire biliary epithelium. At pathology, the majority of patients have invasive carcinoma, thus warranting a radical resection. Patients with tumours expressing MUC1 appear to have worse OS and DFSs.
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Affiliation(s)
- Sean Bennett
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada
| | - E Celia Marginean
- Department of Pathology and Laboratory Medicine, University of OttawaOttawa, ON, Canada
| | - Melanie Paquin-Gobeil
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada
| | - Jason Wasserman
- Department of Pathology and Laboratory Medicine, University of OttawaOttawa, ON, Canada
| | - Joel Weaver
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada
| | - Richard Mimeault
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada
| | - Fady K Balaa
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada
| | - Guillaume Martel
- Liver and Pancreas Unit, Department of Surgery, University of OttawaOttawa, ON, Canada,Clinical Epidemiology Program, Ottawa Hospital Research InstituteOttawa, ON, Canada
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Intraductal tubulopapillary neoplasms of the bile ducts: clinicopathologic, immunohistochemical, and molecular analysis of 20 cases. Mod Pathol 2015; 28:1249-64. [PMID: 26111977 DOI: 10.1038/modpathol.2015.61] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Revised: 04/28/2015] [Accepted: 04/29/2015] [Indexed: 02/08/2023]
Abstract
Intraductal tubulopapillary neoplasm is a well-established entity in the pancreas. A similar, if not identical, tumor occurs also in the biliary tract. We conducted a multicenter study of 20 such lesions, focusing on their clinicopathologic characteristics and molecular profile. Biliary intraductal tubulopapillary neoplasms were seen in patients in their 60s (mean 62 years). The tumors were intrahepatic 70%, extrahepatic 10%, and perihilar 20%; mean tumor size was 6.9 cm. Histologically, all intraductal tubulopapillary neoplasms showed, in addition to their typical tubular pattern, solid areas (70%) or abortive papillae (50%). Necrosis was common (85%), predominantly focal (40%), and with 'comedocarcinoma-like pattern' in 40%. Immunohistochemically, these neoplasms were characterized by the expression of MUC1 (80%) and MUC6 (30%) and by the absence of MUC2 and MUC5AC. Associated invasive carcinomas were present in 16 (80%), mainly conventional tubular adenocarcinoma (50%). The molecular alterations observed included CDKN2A/p16 (intraductal components 44%, invasive 33%) and TP53 (intraductal components 17%, invasive 9%). Mutations in KRAS (intraductal 6%, invasive 0%), PIK3CA (intraductal 6%, invasive 0%), and loss of SMAD4/DPC4 (intraductal 7%, invasive 0%) were rare. No alterations/mutations were identified in IDH1/2, BRAF, GNAS, EGFR, HER2, and β-catenin. Follow-up information was available for 17 patients (85%) with mean follow-up 44 months. Overall combined survival rates showed favorable prognosis: 1 year 100%, 3 years 90%, and 5 years 90%. In conclusion, despite the relatively high incidence of invasive carcinoma (80%), available follow-up suggests that biliary intraductal tubulopapillary neoplasms have an indolent behavior. Molecular analyses highlight the low prevalence of alterations of common oncogenic signaling pathways in intraductal tubulopapillary neoplasm. Further studies using whole-exome sequencing are required to discover yet unknown molecular changes and to understand the carcinogenesis of intraductal tubulopapillary neoplasms.
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Pathology of Gallbladder Carcinoma: Current Understanding and New Perspectives. Pathol Oncol Res 2015; 21:509-25. [DOI: 10.1007/s12253-014-9886-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Accepted: 12/22/2014] [Indexed: 12/13/2022]
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Matthaei H, Lingohr P, Strässer A, Dietrich D, Rostamzadeh B, Glees S, Roering M, Möhring P, Scheerbaum M, Stoffels B, Kalff JC, Schäfer N, Kristiansen G. Biliary intraepithelial neoplasia (BilIN) is frequently found in surgical margins of biliary tract cancer resection specimens but has no clinical implications. Virchows Arch 2014; 466:133-41. [PMID: 25425476 DOI: 10.1007/s00428-014-1689-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Accepted: 11/12/2014] [Indexed: 02/06/2023]
Abstract
Biliary tract cancers are aggressive tumors of which the incidence seems to increase. Resection with cancer-free margins is crucial for curative therapy. However, how often biliary intraepithelial neoplasia (BilIN) occurs in resection margins and what its clinical and therapeutic implications might be is largely unknown. We reexamined margins of resection specimens of adenocarcinoma of the biliary tree including the gallbladder for the presence of BilIN. When present, it was graded. The findings were correlated with clinicopathological parameters and overall survival. Complete examination of the resection margin could be performed on 55 of 78 specimens (71%). BilIN was detected in the margin in 29 specimens (53%) and was mainly low-grade (BilIN-1; N = 14 of 29; 48%). In resection specimens of extrahepatic cholangiocarcinoma, BilIN was most frequent (N = 6 of 8; 75%). BilIN was found in the resection margin more frequently in extrahepatic cholangiocarcinomas (P = 0.007) and in large primary tumors (P = 0.001) with lymphovascular (P = 0.006) and perineural invasion (P = 0.049). Patients with cancer in the resection margin (R1) had a significantly shorter overall survival than those with resection margins free of tumor (R0) irrespective of the presence of BilIN (R0 vs R1; P < 0.001) or BilIN grade (BilIN-positive vs BilIN-negative, P = 0.6, and BilIN-1 + 2 vs BilIN-3, P = 0.58). BilIN is frequently found in the surgical margin of resection specimens of adenocarcinoma of the biliary tract. Hepatopancreatobiliary surgeons will be confronted with this recently defined entity when an intraoperative frozen section of a resection margin is requested. However, this diagnosis does not require additional resection and in the intraoperative evaluation of resection, the emphasis should remain on the detection of residual invasive tumor.
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Affiliation(s)
- Hanno Matthaei
- Department of Surgery, University of Bonn, Bonn, Germany
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Le Bail B. [Pathology of gallbladder and extrahepatic bile ducts. Case 8. Intraductal papillary neoplasm of extrahepatic bile duct without invasive carcinoma (WHO 2010), with high-grade intraepithelial neoplasia/carcinoma in situ (pTisNx, TNM 7th edition): "Dysplastic degenerated biliary papillomatosis, but non-invasive"]. Ann Pathol 2014; 34:324-33. [PMID: 25132444 DOI: 10.1016/j.annpat.2014.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 06/13/2014] [Indexed: 11/26/2022]
Affiliation(s)
- Brigitte Le Bail
- Service de pathologie, CHU Pellegrin, place Amélie-Raba-Léon, 33076 Bordeaux cedex, France.
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45
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Morphological subclassification of intrahepatic cholangiocarcinoma: etiological, clinicopathological, and molecular features. Mod Pathol 2014; 27:1163-73. [PMID: 24406866 DOI: 10.1038/modpathol.2013.241] [Citation(s) in RCA: 164] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 11/11/2013] [Accepted: 11/12/2013] [Indexed: 02/07/2023]
Abstract
On the basis of morphological features, we subclassified 189 intrahepatic cholangiocarcinomas into two subtypes: bile duct and cholangiolar. The cholangiolar type is composed of cuboidal to low columnar tumor cells that contain scanty cytoplasm. The bile duct type is composed of tall columnar tumor cells arranged in a large glandular pattern. In this study, 77 (41%) tumors were classified as the cholangiolar type and 112 (59%) tumors were classified as the bile duct type. The cholangiolar-type intrahepatic cholangiocarcinoma was more frequently associated with viral hepatitis, whereas all but one intrahepatic cholangiocarcinoma associated with intrahepatic lithiasis were classified as the bile duct type. Biliary intraepithelial neoplasm or intraductal papillary neoplasm of the bile duct could be identified in 50 bile duct-type intrahepatic cholangiocarcinomas (45%), but in only 3 cholangiolar-type intrahepatic cholangiocarcinomas (4%). Cholangiolar-type intrahepatic cholangiocarcinomas frequently expressed N-cadherin, whereas bile duct intrahepatic cholangiocarcinomas were more likely to express S100P, Trefoil factor 1, and anterior gradient 2. KRAS is mutated in 23 of 98 (23%) bile duct-type intrahepatic cholangiocarcinomas and in only 1 of 76 (1%) cholangiolar-type intrahepatic cholangiocarcinomas. Cholangiolar-type intrahepatic cholangiocarcinomas had a higher frequency of IDH1 or 2 mutations than did the bile duct-type intrahepatic cholangiocarcinomas. The molecular features of the bile duct-type intrahepatic cholangiocarcinoma were similar to those of hilar cholangiocarcinoma. Patients with the cholangiolar-type intrahepatic cholangiocarcinoma had higher 5-year survival rates than those of patients with the bile duct-type intrahepatic cholangiocarcinoma. Our results indicated that intrahepatic cholangiocarcinoma was a heterogeneous tumor. Subclassification of intrahepatic cholangiocarcinomas based on cholangiocytic differentiation divides them into two groups with different etiologies, clinical manifestations, and molecular pathogeneses.
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47
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Zen Y, Jang KT, Ahn S, Kim DH, Choi DW, Choi SH, Heo JS, Yeh MM. Intraductal papillary neoplasms and mucinous cystic neoplasms of the hepatobiliary system: demographic differences between Asian and Western populations, and comparison with pancreatic counterparts. Histopathology 2014; 65:164-73. [DOI: 10.1111/his.12378] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 01/18/2014] [Indexed: 12/26/2022]
Affiliation(s)
- Yoh Zen
- Histopathology Section; Institute of Liver Studies; King's College Hospital; London UK
| | - Kee-Taek Jang
- Department of Pathology; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Soomin Ahn
- Department of Pathology; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Dong Hun Kim
- Department of Surgery; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Dong Wook Choi
- Department of Surgery; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Seong Ho Choi
- Department of Surgery; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Jin Seok Heo
- Department of Surgery; Samsung Medical Centre; Sungkyunkwan University School of Medicine; Seoul Korea
| | - Matthew M Yeh
- Department of Pathology; University of Washington School of Medicine; Seattle WA USA
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48
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Intraduktale papilläre Neoplasien der Gallenwege (IPNB). DER PATHOLOGE 2013; 34 Suppl 2:235-40. [DOI: 10.1007/s00292-013-1861-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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49
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Fassan M, Baffa R, Kiss A. Advanced precancerous lesions within the GI tract: the molecular background. Best Pract Res Clin Gastroenterol 2013; 27:159-69. [PMID: 23809238 DOI: 10.1016/j.bpg.2013.03.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 02/14/2013] [Accepted: 03/08/2013] [Indexed: 01/31/2023]
Abstract
The mainstream carcinogenic processes involved within the gastrointestinal tract are characterized by phenotypic multistep progression cascades that eventually result in full-blown cancers. In this scenario, the understanding of the molecular dysregulations underlying the precancerous lesions is increasing but still remains incomplete. However, in recent years, the enthusiastic rise of innovative technologies (i.e., next-generation sequencing, high-throughput microarray analysis, mass spectrometry based proteomics) and the unexpected discovery of new classes of biomarkers (i.e., miRNA, long-noncoding RNAs) prompted new strength in the exploration of the accurate and comprehensive molecular characterization of premalignant and malignant neoplastic lesions. The challenge ahead lies in the reliable identification of disease progression-specific targets to enable molecular testing in the clinical management of the secondary prevention of gastrointestinal cancers.
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Affiliation(s)
- Matteo Fassan
- Department of Medicine DIMED, Surgical Pathology & Cytopathology Unit, University of Padua, 35121 Padua, Italy.
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