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Onoe M, Fukuba N, Kodama Y, Oka A, Kawashima K, Shibagaki K, Ishimura N, Kushiyama Y, Uchida Y, Furukawa T, Ishihara S. Multiple intraductal papillary neoplasms of bile duct diagnosed based on endoscopic ultrasonography and peroral cholangioscopy findings. Clin J Gastroenterol 2024; 17:962-969. [PMID: 38971959 PMCID: PMC11436404 DOI: 10.1007/s12328-024-02000-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 06/02/2024] [Indexed: 07/08/2024]
Abstract
A man in his 30s was referred to our department for evaluation of bile duct stricture and removal of an intrahepatic bile duct stone. Five years before his presentation, he underwent left hepatectomy for a giant hepatic hemangioma. There were no abnormalities in blood biochemical tests. Magnetic resonance cholangiopancreatography showed one 5 mm oval defect in region B6 and two 8 mm semicircular defects in the hilar bile duct. Endoscopic ultrasound revealed a 3.5 mm hypoechoic focal raised lesion in the hilar bile duct. Oral cholangioscopy revealed his two lesions in the hilar bile duct as white papillary elevations with mucus production. The pathological diagnosis of intraductal papillary neoplasm was determined (low-grade dysplasia, type 1, gastric type). After 1 and a half years, no expansion of the bile duct lesion was observed. Initially, it was thought to be a benign stenosis after liver resection, but based on the results of endoscopic ultrasound, we suspected a tumorous lesion, and we were able to make an accurate diagnosis, including histological type, using transoral cholangioscopy.
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Affiliation(s)
- Masaki Onoe
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
| | - Nobuhiko Fukuba
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan.
| | - Yasuhide Kodama
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
| | - Akihiko Oka
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
| | - Kousaku Kawashima
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
| | - Kotaro Shibagaki
- Division of Endoscopy, Shimane University Hospital, Izumo, Japan
| | - Norihisa Ishimura
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
| | - Yoshinori Kushiyama
- Department of Gastroenterology, Matsue Red Cross Hospital, Izumo, Shimane, Japan
| | - Yasushi Uchida
- Department of Gastroenterology, Matsue Red Cross Hospital, Izumo, Shimane, Japan
| | - Toru Furukawa
- Department of Investigative Pathology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shunji Ishihara
- Department of Gastroenterology and Hepatology, Shimane University School of Medicine, 89-1, Enya-cho, Izumo, Shimane, Japan
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Zen Y, Akita M. Neoplastic Progression in Intraductal Papillary Neoplasm of the Bile Duct. Arch Pathol Lab Med 2024; 148:989-996. [PMID: 36800543 DOI: 10.5858/arpa.2022-0407-ra] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2022] [Indexed: 02/19/2023]
Abstract
CONTEXT.— Intraductal papillary neoplasm of the bile duct (IPNB) is classified into types 1 and 2 based on criteria proposed in 2019. Recent studies investigated the clinicopathologic and molecular features of IPNB, which contributed to a more detailed understanding of this undercharacterized neoplasm. OBJECTIVE.— To summarize driver gene mutations, radiologic tumor evolution, and a potentially unique pattern of tumor progression in IPNB. DATA SOURCES.— Data were derived from a literature review and personal clinical and research experiences. CONCLUSIONS.— In contrast to de novo cholangiocarcinoma, type 1 IPNB often has mutations in APC, CTNNB1, STK11, and GNAS. These molecular features are shared with intraductal papillary mucinous neoplasm of the pancreas; however, the frequencies of individual gene abnormalities differ between these 2 neoplasms. A radiologic review of sequential images suggested that type 1 IPNB is a slow-growing neoplasm, with an ∼1-cm increase in size every 2 to 3 years, and remains in a noninvasive state for many years. A similar papillary neoplasm may develop in the biliary tree years after the complete surgical resection of IPNB. The second neoplasm has the same genetic abnormalities as the first neoplasm, indicating intrabiliary implantation rather than multifocal lesions. In contrast to type 1 IPNB, most cases of type 2 IPNB have invasive malignancy at the initial presentation. Type 2 IPNB shares many clinicopathologic and molecular features with de novo cholangiocarcinoma, questioning the distinctness of this tumor entity. The molecular mechanisms underlying malignant transformation in IPNB warrant further study.
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Affiliation(s)
- Yoh Zen
- From the Institute of Liver Studies, King's College Hospital, London, UK (Zen)
| | - Masayuki Akita
- the Department of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan (Akita)
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Huang XH, Chen TX, Liu HL, Huang MW. A Review of Type 1 and Type 2 Intraductal Papillary Neoplasms of the Bile Duct. Curr Med Sci 2024; 44:485-493. [PMID: 38748369 DOI: 10.1007/s11596-024-2863-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 02/29/2024] [Indexed: 06/29/2024]
Abstract
Intraductal papillary neoplasm of the bile duct (IPNB) is a heterogeneous disease similar to intraductal papillary mucinous neoplasm of the pancreas. These lesions have been recognized as one of the three major precancerous lesions in the biliary tract since 2010. In 2018, Japanese and Korean pathologists reached a consensus, classifying IPNBs into type l and type 2 IPNBs. IPNBs are more prevalent in male patients in East Asia and are closely related to diseases such as cholelithiasis and schistosomiasis. From a molecular genetic perspective, IPNBs exhibit early genetic variations, and different molecular pathways may be involved in the tumorigenesis of type 1 and type 2 IPNBs. The histological subtypes of IPNBs include gastric, intestinal, pancreaticobiliary, or oncocytic subtypes, but type 1 IPNBs typically exhibit more regular and well-organized histological features than type 2 IPNBs and are more commonly found in the intrahepatic bile ducts with abundant mucin. Due to the rarity of these lesions and the absence of specific clinical and laboratory features, imaging is crucial for the preoperative diagnosis of IPNB, with local bile duct dilation and growth along the bile ducts being the main imaging features. Surgical resection remains the optimal treatment for IPNBs, but negative bile duct margins and the removal of lymph nodes in the hepatic hilum significantly improve the postoperative survival rates for patients with IPNBs.
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Affiliation(s)
- Xia-Hui Huang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Tian-Xiang Chen
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Hong-Liang Liu
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Ming-Wen Huang
- Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
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Chun J, Sung YN, An S, Hong SM. Oncocytic type has distinct immunohistochemical and recurrence-free survival than other histologic types of the intraductal papillary neoplasm of the bile duct. Hum Pathol 2024; 148:72-80. [PMID: 38782100 DOI: 10.1016/j.humpath.2024.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/08/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Although intraductal oncocytic papillary neoplasm (IOPN) was considered distinct from the intraductal papillary neoplasm of the pancreas, the oncocytic histologic type remained as a subtype of intraductal papillary neoplasms of the bile duct (IPNBs) with gastric, intestinal, and pancreatobiliary types based on the fifth edition of the WHO classification. To test the characteristics of the oncocytic type of IPNBs, the histopathologic, immunohistochemical (Hep Par-1 and CD117), and clinical characteristics of 13 oncocytic type were compared with 114 others (15 gastric, 39 pancreatobiliary, and 60 intestinal) IPNB types. The oncocytic type, which occupied about 9% of IPNBs, was more frequent in females (p < 0.05) and larger (mean, 5.3 vs. 3.6 cm; p < 0.002) than other IPNB types. Immunohistochemically, the oncocytic type had more frequent combined Hep Par-1 and CD117 expression than other IPNB types (all p < 0.05). The recurrence-free survival rate for patients with the oncocytic type (5-year survival, 100%) was significantly higher (p = 0.015) than for those with other histologic types (59.9%). The oncocytic type had distinct histopathologic, immunohistochemical, and survival outcomes from other IPNBs. Therefore, it can be separated from other IPNB types and classified as one independent entity, similar to IOPN of the pancreas.
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Affiliation(s)
- Jihyun Chun
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - You-Na Sung
- Department of Pathology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Soyeon An
- Department of Pathology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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5
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Akita M, Yanagimoto H, Tsugawa D, Zen Y, Fukumoto T. Surgical interpretation of the WHO subclassification of intrahepatic cholangiocarcinoma: a narrative review. Surg Today 2024:10.1007/s00595-024-02825-x. [PMID: 38563999 DOI: 10.1007/s00595-024-02825-x] [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: 10/02/2023] [Accepted: 02/14/2024] [Indexed: 04/04/2024]
Abstract
Intrahepatic cholangiocarcinoma (iCCA) has been subclassified by its gross morphology into the mass-forming (MF), periductal-infiltrating (PI), and intraductal growth (IG) types and their combinations. This classification correlates well with clinical features; for example, MF-iCCA has less lymph-node metastasis and a better prognosis than PI-iCCA. According to the recently accumulated evidence from histological investigations, the WHO classification endorsed a subclassification scheme in which iCCA cases are classified into small- and large-duct types. Small-duct iCCA is considered to originate from septal or smaller bile ducts and is characterized by less frequent lymph-node metastasis, a favorable prognosis, and an MF appearance. Large-duct iCCA arises around the second branch of the biliary tree and has more aggressive biology and distinct genetic abnormalities. According to the practice guidelines for iCCA from the Liver Cancer Study Group of Japan and the National Comprehensive Cancer Network, upfront surgery is recommended for iCCA without distant metastasis regardless of the morphological subtype, based on clinical experience. In consideration of the biological heterogeneity of iCCA, the treatment strategy for iCCA needs to be reconsidered based on the WHO subtypes.
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Affiliation(s)
- Masayuki Akita
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan
| | - Hiroaki Yanagimoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan.
| | - Daisuke Tsugawa
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan
| | - Yoh Zen
- Institute of Liver Studies, King's College Hospital, London, UK
| | - Takumi Fukumoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan
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6
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Nakanuma Y, Sato Y, Kakuda Y, Naito Y, Fukumura Y, Fukushima M, Minato H, Aishima S, Ohike N, Furukawa T. Interobserver agreement of pathologic classification and grading of tumoral intraductal pre-invasive neoplasms of the bile duct. Ann Diagn Pathol 2024; 69:152247. [PMID: 38128439 DOI: 10.1016/j.anndiagpath.2023.152247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
Current WHO terminology and recent publications have classified tumoral (grossly visible) intraductal pre-invasive neoplasms of bile duct (TIDN) into three categories: intraductal papillary neoplasm of bile duct (IPNB), intraductal papillary oncocytic neoplasm (IOPN), and intraductal tubulopapillary neoplasm (ITPN). A total of 227 cases of TIDN and related lesions ≥3 mm in height were examined by 10 biliary pathologists referring to these 3 categories and two pathologic gradings: two-tiered system (low- and high-grade dysplasia) and modified types 1 and 2 subclassification. Among them, IPNB was the most frequent (183 cases), followed by IOPN (28 cases), while ITPN was rare (2 cases), and interobserver agreement in this classification was "substantial" (κ-value, 0.657). The interobserver agreement of two-tiered grading system of TIDN was "slight" (κ-value, 0.201), while that of modified types 1 and 2 subclassification was "moderate" (κ-value, 0.515), and 42 % were of type 1, and 58 % were of type 2. Type 1 TIDN showed occasional stromal invasion (6.7 %), whereas type 2 TIDN was frequently associated with stromal invasion (49.6 %) (p < 0.01). In conclusion, the classification of TIDN into three categories and modified types 1 and 2 subclassification are a practically applicable classification and grading system for TIDN.
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Affiliation(s)
- Yasuni Nakanuma
- Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan; Department of Diagnostic Pathology, Fukui Prefecture Saiseikai Hospital, Fukui, Japan.
| | - Yasunori Sato
- Department of Human Pathology, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Yuko Kakuda
- Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Yoshiki Naito
- Department of Diagnostic Pathology, Kurume University School of Medicine, Kurume, Japan
| | - Yuki Fukumura
- Department of Diagnostic Pathology, Juntendo University School of Medicine, Tokyo, Japan
| | - Mana Fukushima
- Department of Tumor Pathology, Faculty of Medical Sciences, Fukui University, Fukui, Japan
| | - Hiroshi Minato
- Department of Diagnostic Pathology, Ishikawa Prefectural Hospital, Kanazawa, Japan
| | - Shinichi Aishima
- Department of Structural Pathology, Kyushu University Graduate School of Medicine, Fukuoka, Japan
| | - Nobuyuki Ohike
- Department of Pathology, Division of Molecular Pathology, St. Marianna University Graduate School of Medicine, Japan
| | - Toru Furukawa
- Department of Pathology, Tohoku University Graduate School of Medicine, Sendai, Japan
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7
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Lluís N, Onoe S, Serradilla-Martín M, Achalandabaso M, Mizuno T, Jehaes F, Dasari BVM, Mambrilla-Herrero S, Sparrelid E, Balakrishnan A, Hoogwater FJH, Amaral MJ, Andersson B, Berrevoet F, Doussot A, López-López V, Detry O, Pozo CDD, 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, Yamaguchi J, Dokmak S, Prieto-Calvo M, D'Souza MA, Spiers HVM, van den Heuvel MC, Charco R, Lesurtel M, Ebata T, Ramia JM. Intraductal papillary neoplasms of the bile ducts: a comparative study of a rare disease in Europe and Nagoya, Japan. HPB (Oxford) 2024; 26:565-575. [PMID: 38307773 DOI: 10.1016/j.hpb.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 08/27/2023] [Accepted: 01/15/2024] [Indexed: 02/04/2024]
Abstract
BACKGROUND Intraductal papillary neoplasm of the bile ducts (IPNB) is a rare disease in Western countries. The aim of this study was to compare tumor characteristics, management strategies, and outcomes between Western and Eastern patients who underwent surgical resection for IPNB. METHODS A multi-institutional retrospective series of patients with IPNB undergoing surgery between January 2010 and December 2020 was gathered under the auspices of the European-African Hepato-Pancreato-Biliary Association (E-AHPBA), and at Nagoya University Hospital, Japan. RESULTS A total of 85 patients (51% male; median age 66 years) from 28 E-AHPBA centers were compared to 91 patients (64% male; median age 71 years) from Nagoya. Patients in Europe had more multiple lesions (23% vs 2%, P < .001), less invasive carcinoma (42% vs 85%, P < .001), and more intrahepatic tumors (52% vs 24%, P < .001) than in Nagoya. Patients in Europe experienced less 90-day grade >3 Clavien-Dindo complications (33% vs 68%, P < .001), but higher 90-day mortality rate (7.0% vs 0%, P = .03). R0 resections (81% vs 82%) were similar. Overall survival, excluding 90-day postoperative deaths, was similar in both regions. DISCUSSION Despite performing more extensive resections, the low perioperative mortality rate observed in Nagoya was probably influenced by a combination of patient-, tumor-, and surgery-related factors.
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Affiliation(s)
- Núria Lluís
- Division of Hepatobiliary and Pancreas Surgery, Miami Cancer Institute, Miami, FL, USA.
| | - Shunsuke Onoe
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Mario Serradilla-Martín
- Instituto de Investigación Sanitaria Aragón, Department of Surgery, Miguel Servet University Hospital, Zaragoza, Spain.
| | - Mar Achalandabaso
- HPB Surgery and Transplantation, Hospital Universitario Vall d'Hebron, Barcelona, Spain
| | - Takashi Mizuno
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - François Jehaes
- HPB Surgery & 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, United Kingdom
| | - Sara Mambrilla-Herrero
- Hepatobiliary Surgery and Liver Transplant Unit, Cruces University Hospital, Bilbao, Spain
| | - Ernesto Sparrelid
- Division of Surgery, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Anita Balakrishnan
- Cambridge HPB Unit, Cambridge University Hospitals NHS Foundation Trust, and Department of Surgery, University of Cambridge, Cambridge, UK
| | - Frederik J H Hoogwater
- HPB Surgery and Liver Transplantation, and Pathology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - María J Amaral
- General Surgery, Centro Hospitalar e Universitário de Coimbra, and Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Bodil Andersson
- Department of Clinical Science Lund, Surgery, Lund University and Skane University Hospital, Lund, Sweden
| | - Frederik Berrevoet
- General and HPB Surgery, and Liver Transplantation, University Hospital Gent, Gent, Belgium
| | - Alexandre Doussot
- Department of Digestive Surgical Oncology, Liver Transplantation Unit, CHU Besançon, France
| | - Víctor López-López
- General, Visceral and Transplantation Surgery, Clinic and University Hospital Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
| | - Olivier Detry
- Abdominal Surgery and Transplantation, CHU Liege, University of Liege, Belgium
| | | | - Nikolaos Machairas
- Second Department of Propaedeutic Surgery, National and Kapodistrian University of Athens, Athens, Greece
| | - 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), Alicante, Spain
| | - Horacio Asbun
- Division of Hepatobiliary and Pancreas Surgery, Miami Cancer Institute, Miami, FL, 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, South Africa
| | | | | | - George N Tzimas
- HPB Surgery, Department of Surgery, Hygeia Hospital, Athens, Greece
| | - Sheraz Yaqub
- HPB Surgery, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Junpei Yamaguchi
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Safi Dokmak
- HPB Surgery & 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, Spain
| | - Melroy A D'Souza
- Division of Surgery, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Harry V M Spiers
- Cambridge HPB Unit, Cambridge University Hospitals NHS Foundation Trust, and Department of Surgery, University of Cambridge, Cambridge, UK
| | - Marius C van den Heuvel
- 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, Barcelona, Spain
| | - Mickaël Lesurtel
- HPB Surgery & Liver Transplantation, Beaujon Hospital, Assistance Publique Hôpitaux de Paris, University of Paris Cité, Clichy, France
| | - Tomoki Ebata
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - José M Ramia
- HPB Surgery and Liver Transplantation, Dr. Balmis General University Hospital, and Alicante Institute for Health and Biomedical Research (ISABIAL), Alicante, Spain; Miguel Hernández University, Alicante, Spain
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8
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Onoe S, Mizuno T, Watanabe N, Yokoyama Y, Igami T, Yamaguchi J, Sunagawa M, Kawakatsu S, Shimoyama Y, Ebata T. Utility of modified pancreaticoduodenectomy (Hi-cut PD) for middle-third cholangiocarcinoma: an alternative to hepatopancreaticoduodenectomy. HPB (Oxford) 2024; 26:530-540. [PMID: 38216429 DOI: 10.1016/j.hpb.2023.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/05/2023] [Accepted: 12/18/2023] [Indexed: 01/14/2024]
Abstract
BACKGROUND The standard procedure for middle-third cholangiocarcinoma (MCC) is pancreaticoduodenectomy (PD); hepatopancreaticoduodenectomy (HPD) is often performed despite its high risk. There is no clear selection guidance for these procedures. METHODS Patients with MCC who underwent HPD or PD were retrospectively evaluated. The conventional PD was modified (mPD) to transect the bile duct beyond or close to the cranial level of the portal bifurcation. RESULTS The mPD group (n = 55) was characterized by older age, shorter operation time, less blood loss, and less frequent complications than were observed in the HPD group (n = 34). The median grossly tumor-free margin of the proximal bile duct (GM) was 13 mm vs 20 mm (P = 0.006). Overall survival did not differ significantly between groups (48% vs 53% at 5 years, P = 0.399). Multivariate analysis identified positive surgical margin as a sole independent prognostic factor (hazard ratio, 1.89; P = 0.043), which was statistically associated with GM length. Five-year survival for mPD patients with GM ≥15 mm was significantly better than that for those who had GM <15 mm (69% vs 33%, P = 0.011) and comparable to that of HPD patients (53%, P = 0.450). CONCLUSION The mPD may be recommended in patients with MCC, provided that GM ≥15 mm is expected from the preoperative radiological imaging. Otherwise, HPD should be considered.
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Affiliation(s)
- Shunsuke Onoe
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Takashi Mizuno
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Nobuyuki Watanabe
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yukihiro Yokoyama
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan; Division of Perioperative Medicine, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tsuyoshi Igami
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Junpei Yamaguchi
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masaki Sunagawa
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan; Division of Perioperative Medicine, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shoji Kawakatsu
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshie Shimoyama
- Department of Pathology and Clinical Laboratories, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Tomoki Ebata
- Division of Surgical Oncology, Department of Surgery, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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9
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Zhu SZ, Gao ZF, Liu XR, Wang XG, Chen F. Surgically treating a rare and asymptomatic intraductal papillary neoplasm of the bile duct: A case report. World J Clin Cases 2024; 12:367-373. [PMID: 38313650 PMCID: PMC10835693 DOI: 10.12998/wjcc.v12.i2.367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/28/2023] [Accepted: 12/26/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND Intraductal papillary neoplasms of the bile duct (IPNBs) are rare and characterized by papillary growth within the bile duct lumen. IPNB is similar to obstructive biliary pathology. In this report, we present an unexpected case of asymptomatic IPNB and consolidate our findings with the relevant literature to augment our understanding of this condition. Integrating relevant literature contributes to a more comprehensive understanding of the disease. CASE SUMMARY A 66-year-old Chinese male patient was admitted to our hospital for surgical intervention after gallstones were discovered during a routine physical examination. Preoperative imaging revealed a lesion on the left side of the liver, which raised the suspicion of IPNB. A laparoscopic left hemihepatectomy was performed, and subsequent histopathological examination confirmed the diagnosis of IPNB. At the 3-mo postoperative follow-up, the patient reported good recovery and no metastasis. IPNB can manifest both latently and asymptomatically. Radical surgical resection is the most effective treatment for IPNB. CONCLUSION Hepatic and biliary masses, should be considered to diagnose IPNB. Prompt surgery and vigilant follow-up are crucial in determining prognosis.
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Affiliation(s)
- Shen-Zhen Zhu
- Department of General Surgery, Jiaxing Second Hospital, Jiaxing 314000, Zhejiang Province, China
| | - Zhao-Feng Gao
- Department of Hepatobiliary Surgery, Jiaxing Second Hospital, Jiaxing 314000, Zhejiang Province, China
| | - Xiao-Rong Liu
- Department of Hepatobiliary Surgery, Jiaxing Second Hospital, Jiaxing 314000, Zhejiang Province, China
| | - Xiao-Guang Wang
- Department of Hepatobiliary Surgery, Jiaxing Second Hospital, Jiaxing 314000, Zhejiang Province, China
| | - Fei Chen
- Department of Hepatobiliary Surgery, Jiaxing Second Hospital, Jiaxing 314000, Zhejiang Province, China
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10
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Manzano-Núñez F, Prates Tiago Aguilar L, Sempoux C, Lemaigre FP. Biliary Tract Cancer: Molecular Biology of Precursor Lesions. Semin Liver Dis 2023; 43:472-484. [PMID: 37944999 DOI: 10.1055/a-2207-9834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Biliary tract cancer is a devastating malignancy of the bile ducts and gallbladder with a dismal prognosis. The study of precancerous lesions has received considerable attention and led to a histopathological classification which, in some respects, remains an evolving field. Consequently, increasing efforts have been devoted to characterizing the molecular pathogenesis of the precursor lesions, with the aim of better understanding the mechanisms of tumor progression, and with the ultimate goal of meeting the challenges of early diagnosis and treatment. This review delves into the molecular mechanisms that initiate and promote the development of precursor lesions of intra- and extrahepatic cholangiocarcinoma and of gallbladder carcinoma. It addresses the genomic, epigenomic, and transcriptomic landscape of these precursors and provides an overview of animal and organoid models used to study them. In conclusion, this review summarizes the known molecular features of precancerous lesions in biliary tract cancer and highlights our fragmentary knowledge of the molecular pathogenesis of tumor initiation.
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Affiliation(s)
| | | | - Christine Sempoux
- Institute of Pathology, Lausanne University Hospital CHUV, University of Lausanne, Lausanne, Switzerland
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11
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Mocchegiani F, Vincenzi P, Conte G, Nicolini D, Rossi R, Cacciaguerra AB, Vivarelli M. Intraductal papillary neoplasm of the bile duct: The new frontier of biliary pathology. World J Gastroenterol 2023; 29:5361-5373. [PMID: 37900587 PMCID: PMC10600795 DOI: 10.3748/wjg.v29.i38.5361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/07/2023] [Accepted: 08/31/2023] [Indexed: 10/12/2023] Open
Abstract
Intraductal papillary neoplasms of the bile duct (IPNBs) represent a rare variant of biliary tumors characterized by a papillary growth within the bile duct lumen. Since their first description in 2001, several classifications have been proposed, mainly based on histopathological, radiological and clinical features, although no specific guidelines addressing their management have been developed. Bile duct neoplasms generally develop through a multistep process, involving different precursor pathways, ranging from the initial lesion, detectable only microscopically, i.e. biliary intraepithelial neoplasia, to the distinctive grades of IPNB until the final stage represented by invasive cholangiocarcinoma. Complex and advanced investigations, mainly relying on magnetic resonance imaging (MRI) and cholangioscopy, are required to reach a correct diagnosis and to define an adequate bile duct mapping, which supports proper treatment. The recently introduced subclassifications of types 1 and 2 highlight the histopathological and clinical aspects of IPNB, as well as their natural evolution with a particular focus on prognosis and survival. Aggressive surgical resection, including hepatectomy, pancreaticoduodenectomy or both, represents the treatment of choice, yielding optimal results in terms of survival, although several endoscopic approaches have been described. IPNBs are newly recognized preinvasive neoplasms of the bile duct with high malignant potential. The novel subclassification of types 1 and 2 defines the histological and clinical aspects, prognosis and survival. Diagnosis is mainly based on MRI and cholangioscopy. Surgical resection represents the mainstay of treatment, although endoscopic resection is currently applied to nonsurgically fit patients. New frontiers in genetic research have identified the processes underlying the carcinogenesis of IPNB, to identify targeted therapies.
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Affiliation(s)
- Federico Mocchegiani
- Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona 60126, Italy
| | - Paolo Vincenzi
- Department of Gastroenterology and Transplant, United Hospital of Marche, Ancona 60126, Italy
| | - Grazia Conte
- Department of Gastroenterology and Transplant, United Hospital of Marche, Ancona 60126, Italy
| | - Daniele Nicolini
- Department of Gastroenterology and Transplant, United Hospital of Marche, Ancona 60126, Italy
| | - Roberta Rossi
- Department of Gastroenterology and Transplant, United Hospital of Marche, Ancona 60126, Italy
| | | | - Marco Vivarelli
- Department of Experimental and Clinical Medicine, Polytechnic University of Marche, Ancona 60126, Italy
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12
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Chan WH, Chen CM, Wang SY, Wu RC, Chen TC, Lee HK, Lin CH, Yeh CN. Intraductal papillary neoplasm of the bile duct presenting with hepatogastric fistula: a case report and literature review. Front Oncol 2023; 13:1193918. [PMID: 37274235 PMCID: PMC10237316 DOI: 10.3389/fonc.2023.1193918] [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: 03/26/2023] [Accepted: 05/09/2023] [Indexed: 06/06/2023] Open
Abstract
Intraductal papillary neoplasm of the bile duct (IPNB) is an uncommon entity characterized by papillary growth within the bile duct lumen. IPNB is regarded as a biliary counterpart of intraductal papillary mucinous neoplasm of the pancreas, which sometimes complicates with fistula formation to adjacent organs, mainly due to high-pressure related erosion from mucin-filled ducts. However, fistula formation from IPNB is quite rare. Here we report a case of IPNB complicated with hepatogastric fistula. Abdominal computed tomography (CT) and magnetic resonance imaging (MRI) revealed disproportional dilatation of left intrahepatic duct with intraluminal soft tissue nodules and fistulous connections to gastric high body. Endoscopy revealed ulcers with two fistulous orifices at upper gastric body. The patient underwent left hepatectomy with gastric wedge resection. Histopathology examination revealed IPNB with invasive cholangiocarcinoma, directly invading to gastric wall leading to hepatogastric fistula. In summary, we have presented the clinical, imaging and pathological findings, along with a comprehensive review of relevant literature, in order to enhance the understanding of this rare condition.
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Affiliation(s)
- Wen-Hui Chan
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Chien-Ming Chen
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital at Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Shang-Yu Wang
- Department of Surgery, Chang Gung Memorial Hospital at Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Ren-Chin Wu
- Department of Pathology, Chang Gung Memorial Hospital at Linkou and Chang Gung University, Taoyuan, Taiwan
| | - Tse-Ching Chen
- Department of Pathology, Chang Gung Memorial Hospital at Linkou and Chang Gung University, Taoyuan, Taiwan
| | - Hao-Kang Lee
- Department of Surgery, Chang Gung Memorial Hospital at Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Cheng-Hui Lin
- Department of Gastroenterology and Hepatology, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Chun-Nan Yeh
- Department of Surgery, Chang Gung Memorial Hospital at Linkou, and Chang Gung University College of Medicine, Taoyuan, Taiwan
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13
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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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14
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Wu X, Li B, Zheng C. Clinicopathologic characteristics and long-term prognosis of intraductal papillary neoplasm of the bile duct: a retrospective study. Eur J Med Res 2023; 28:132. [PMID: 36945047 PMCID: PMC10029268 DOI: 10.1186/s40001-023-01102-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 03/17/2023] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND Intraductal papillary neoplasm of the bile duct (IPNB) is a premalignant neoplasm that can involve both the intrahepatic and extrahepatic bile ducts. Owing to the low incidence and confusing nomenclature, its clinicopathological features remain controversial. Additionally, only a few studies have reported on the long-term prognosis of IPNB to date. Therefore, the present study aimed to clarify the clinicopathological characteristics and prognosis of IPNB. METHODS Medical records of patients with IPNB treated at our hospital between August 2000 and October 2021 were retrospectively reviewed. A database of demographic characteristics, test results, surgical details, pathological findings, and follow-up information was constructed for analysis. Patients were divided into intrahepatic and extrahepatic groups, and dysplasia and invasive carcinoma groups for comparison. Differences between study groups were analyzed using the χ2 test, Fisher's exact test, t-test, or Mann-Whitney U test, as appropriate. Cumulative survival rates were estimated using the Kaplan-Meier method. RESULTS In total, 43 patients (21 men and 22 women) with IPNB were included in the study. The median age at diagnosis was 62 (54-69) years. Thirty-eight patients underwent surgery. The mean operation time was (269.5 ± 94.9) min. Five patients underwent endoscopic retrograde cholangiopancreatography for biopsy. Twenty-one and 22 patients had intrahepatic and extrahepatic lesions, respectively. The extrahepatic group had more patients with intraluminal masses (p = 0.021) and abnormal bilirubin levels (p = 0.001), but fewer patients with hepatolithiasis (p = 0.021). The operation time was longer in patients with extrahepatic lesions (p = 0.002). Twenty patients had dysplasia and 23 had invasive carcinoma. The invasive carcinoma group had a longer operation time than the dysplasia group (p = 0.004). As of March 2022, 39 patients were followed up, with a mean follow-up time of (56.2 ± 38.2) months. Fifteen patients survived without tumors, two survived with tumors, and 22 patients died. The 1-, 3-, 5-, and 10-year cumulative overall survival rates were 86.9%, 65.8%, 49.8%, and 32.0%, respectively. CONCLUSIONS IPNB is a rare bile duct disease that occurs mainly in patients with advanced age. Surgery is the primary treatment strategy. Intrahepatic and extrahepatic lesions, as well as dysplasia and invasive carcinoma have their own unique characteristics. The long-term prognosis of IPNB is generally poor.
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Affiliation(s)
- Xin Wu
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
| | - Binglu Li
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
| | - Chaoji Zheng
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730, China
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