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Chun J, Moore M, Kelly P, Kanzawa M, Itoh T, Hong SM, Zen Y. Enteroblastic cholangiocarcinoma: An uncommon, underrecognized subtype of bile duct cancer. Hum Pathol 2024; 144:46-52. [PMID: 38301963 DOI: 10.1016/j.humpath.2024.01.011] [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: 12/06/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 02/03/2024]
Abstract
Enteroblastic carcinoma is clinically characterized by an elevated serum level of alpha-fetoprotein (AFP) and is histologically characterized by cancer cells with a clear cytoplasm and 'blastic' coarse chromatin. It sometimes has an element of hepatoid carcinoma; therefore, these two neoplasms are often regarded as sister entities. Although hepatoid carcinoma in the biliary tree has been reported, enteroblastic cholangiocarcinoma is extremely uncommon. In the present study, four cases of enteroblastic cholangiocarcinoma were examined. Tumors were located inside the liver (n = 2) or common bile duct (n = 2). The two intrahepatic cases had a history of primary sclerosing cholangitis, and serum AFP levels were elevated in both. One unresectable case was diagnosed by needle liver biopsy, while the remaining three underwent surgical resection. Histologically, all cases showed similar microscopic features. Cuboidal or polygonal cancer cells with the characteristic clear cytoplasm and subnuclear vacuoles were arranged in a papillary, micropapillary, tubular, or solid architecture. One case had an element of pancreatobiliary-type adenocarcinoma, while a hepatoid carcinoma element was not observed in any cases. All cases were positive for AFP, glypican 3, and SALL4, with SALL4 being the most widely expressed. Heppar-1 and arginase-1 were negative, except for one case, which was positive for Heppar-1. In conclusion, enteroblastic cholangiocarcinoma is an uncommon subtype of biliary tract malignancy. These cases may have been categorized as 'clear cell' cholangiocarcinoma. Although enteroblastic cholangiocarcinoma seems to occur more commonly in extrahepatic regions, including the gallbladder, it may also develop in the liver, particularly in patients with primary sclerosing cholangitis.
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Affiliation(s)
- Jihyun Chun
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK; Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Michelle Moore
- Cellular Pathology, Royal Victoria Hospital, Belfast Health and Social Care Trust, Belfast, BT12 6BA, UK
| | - Paul Kelly
- Cellular Pathology, Royal Victoria Hospital, Belfast Health and Social Care Trust, Belfast, BT12 6BA, UK
| | - Maki Kanzawa
- Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan
| | - Tomoo Itoh
- Department of Diagnostic Pathology, Kobe University Graduate School of Medicine, Kobe, 650-0017, Japan
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Yoh Zen
- Institute of Liver Studies, King's College Hospital, London, SE5 9RS, UK.
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Okura K, Esaki M, Nara S, Ban D, Takamoto T, Shimada K, Hiraoka N. Hepatoid carcinoma and related entities of the extrahepatic bile duct: A clinicopathological study of four cases. Pathol Int 2022; 72:332-342. [PMID: 35472251 DOI: 10.1111/pin.13226] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/02/2022] [Indexed: 01/01/2023]
Abstract
Hepatoid carcinoma or related entities (HPC/RTs) are extremely rare, especially in the extrahepatic bile duct (EHBD). Only a few case reports have been published. We analyzed the clinicopathological features of HPCs/RTs in EHBD. HPC/RT of extrahepatic cholangiocarcinoma (eCCA) cases were selected based on the histological characteristics and immunohistochemical detection of spalt-like transcription factor 4 (SALL4) and/or alpha-fetoprotein (AFP). Four HPC/RT cases arose in the distal but not in the perihilar EHBD. The four patients with HPC/RT included one female and three males with a median age of 77 years. There are various macroscopic types of HPC/RT. The predominant histological features were two solid-type carcinomas that mimicked hepatocellular carcinoma and two well-differentiated tubular adenocarcinomas. Immunohistochemically, SALL4 and glypican-3 were expressed in all cases, and AFP was expressed in one case. Cancer cell phenotypes included intestinal, pancreatobiliary, and mixed pancreatobiliary and intestinal types. Focal neuroendocrine differentiation and severe perineural and lymphovascular invasions were also observed. HPC/RT recurred in two patients within 2 years, and one patient died 13 months postoperatively. It is suggested that the HPC/RT of EHBD shares common characteristics with HPC/RT arising in various organs, and has some unique characteristics. HPC/RT of EHBD might be more aggressive than conventional eCCA.
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Affiliation(s)
- Keisuke Okura
- Department of Analytical Pathology, National Cancer Center Research Institute, Tokyo, Japan
| | - Minoru Esaki
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan
| | - Satoshi Nara
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan
| | - Daisuke Ban
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan
| | - Takeshi Takamoto
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan
| | - Kazuaki Shimada
- Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan
| | - Nobuyoshi Hiraoka
- Department of Analytical Pathology, National Cancer Center Research Institute, Tokyo, Japan
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He J, Zhao Q, Liu Q, Li F, He L, Liu M, Yan X. Surgical Resection of Pancreatic Hepatoid Carcinoma Followed by Combined Transarterial Chemoembolization and Immunotherapy: A Case Report. Onco Targets Ther 2021; 14:4575-4578. [PMID: 34471360 PMCID: PMC8405218 DOI: 10.2147/ott.s323811] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/24/2021] [Indexed: 12/01/2022] Open
Abstract
Pancreatic hepatoid carcinoma (HC) is a heterogeneous tumor with high degree of malignancy and poor prognosis, which display cytological and/or structural features of focal hepatocellular carcinoma (HCC). For the low incidence and atypical clinical symptoms, it is possible to be diagnosed as pancreatic cancer before operation, and mainly depending on the pathological examination. To the best of our knowledge, surgery combined with radiotherapy and chemotherapy is the common treatment of pancreatic HC. However, the curative effect and prognosis is poor. We report a case of 44-year-old woman with pancreatic HC treated with PD-1 receptor inhibitor and transarterial chemoembolization, whose clinical symptoms and laboratory indexes are significantly improved after treatment.
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Affiliation(s)
- Jintong He
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Qinying Zhao
- Department of Endocrinology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Qiang Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Fei Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Long He
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Mengyi Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Xiong Yan
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
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Arif D, Mettler T, Adeyi OA. Mimics of hepatocellular carcinoma: a review and an approach to avoiding histopathological diagnostic missteps. Hum Pathol 2020; 112:116-127. [PMID: 33346018 DOI: 10.1016/j.humpath.2020.12.002] [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: 11/03/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 01/12/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the commonest carcinomas and leading causes of cancer-related death. Although, in patients with cirrhosis, radiologic diagnosis has improved significantly over the years, needle biopsy and histopathological assessment remains an important diagnostic modality. Most importantly, histopathological diagnosis is essential in patients with contending extrahepatic primaries, those with no known HCC risk factors, patients with ambiguous radiological features, and many other clinical contexts. Helpful features such as high serum alpha-fetoprotein (AFP) serologies are known to be present in many other tumor (including but not only HCC) and nontumor contexts and therefore not only lack sufficient diagnostic specificity for HCC but also create the potential to overlook non-HCC AFP-producing tumors, of which there are many. Therefore, using clinical examples and other examples from the medical literature, this review discusses several clinical and histological mimics of HCC and proffers an approach for practicing pathologists geared toward avoiding missteps.
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Affiliation(s)
- Dauod Arif
- University of Minnesota Medical School, Department of Laboratory Medicine & Pathology, MN 55455, USA
| | - Tetyana Mettler
- University of Minnesota Medical School, Department of Laboratory Medicine & Pathology, MN 55455, USA
| | - Oyedele A Adeyi
- University of Minnesota Medical School, Department of Laboratory Medicine & Pathology, MN 55455, USA.
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WITHDRAWN: Hepatoid adenocarcinoma of the lung accompanied with multiple systemic metastases: An individual case report and literature review. Respir Med Case Rep 2020. [DOI: 10.1016/j.rmcr.2020.101085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Abstract
RATIONALE Hepatoid adenocarcinoma (HAC) of the fallopian tubes is a rare malignant tumor in the female reproductive system. PATIENT CONCERNS An 81-year-old Chinese woman presented with an elevated serum alpha-fetoprotein (AFP) level. DIAGNOSIS Positron emission tomography-computed tomography (PET-CT) scan revealed a mass of approximately 47 × 27 mm located in the right adnexa. The tumor was diagnosed as a HAC arising from fallopian tube by immunohistochemical and histochemical technique. INTERVENTIONS This patient underwent surgical treatment including a bilateral adnexectomy and appendectomy. In addition, the patient underwent 5 cycles of postoperative chemotherapy. OUTCOMES The disease has recurred approximately six months after surgery and therefore, this patient will continue to be observed. LESSONS Up to this point, only 4 known cases of HAC originating in fallopian tube have been published in the English literature. Further studies are needed to better understand the clinical characteristics, the prognosis, and the pathological mechanism of HAC development in the fallopian tubes.
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Affiliation(s)
- Maomao Li
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education
| | - Kaixuan Yang
- Department of Pathology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ping Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education
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Yang C, Sun L, Lai JZ, Zhou L, Liu Z, Xi Y, Tao Y, Dooley E, Cao D. Primary Hepatoid Carcinoma of the Pancreas: A Clinicopathological Study of 3 Cases With Review of Additional 31 Cases in the Literature. Int J Surg Pathol 2019; 27:28-42. [PMID: 29961402 DOI: 10.1177/1066896918783468] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Primary pancreatic hepatoid carcinoma (PHC) is very rare. Here, we reported 3 such cases with review of additional 31 cases in the literature. Our 3 patients were male (83, 72, and 54 years old, respectively). Serum α-fetoprotein (AFP) was elevated in 1 patient (case 3, 8338 ng/mL) and not measured in the other two. The PHC in patient 1 (pathological stage pT2N0M0) and patient 2 (pT3N0M0) showed pure hepatocellular carcinoma (HCC)-like morphology, whereas in case 3 it was a PHC with true glandular differentiation (pT4N0M0). The diagnosis of PHC was confirmed with positive immunohistochemical staining in the tumor cells for AFP (2/3), Hep Par 1 (3/3), glypican-3 (2/3), arginase-1 (2/3), and Sal-like protein 4 (1/3). CD10 and polyclonal carcinoembryonic antigen stains show focal canalicular pattern in 2/3 tumors. Patient 1 did not receive further treatment after resection and was alive with no evidence of disease at 107 months. Patient 2 died of postoperative complications, whereas patient 3 received postsurgical chemoradiation and died of disease at 29 months. Our findings and literature review indicate that PHCs can be divided into 4 histological subtypes: with pure HCC-like morphology (n = 22), with neuroendocrine differentiation (n = 8), with true glandular differentiation (n = 3), and with acinar cell differentiation (n = 1). On univariate analysis, pure HCC-like morphology was associated with better disease-specific survival (DSS; P = .04), whereas lymph node and distant metastases were associated with worse DSS ( P = .002 for both). Age, gender, presenting symptoms, serum AFP level, and T stage were not associated with DSS. On multivariate analysis, none of these parameters was significantly associated with DSS.
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Affiliation(s)
- Chen Yang
- 1 Washington University School of Medicine, St Louis, MO, USA
| | - Li Sun
- 2 Peking University Cancer Hospital and Institute, Beijing, China
| | - Jenny Z Lai
- 3 Washington University in St Louis, MO, USA
| | - Lixin Zhou
- 2 Peking University Cancer Hospital and Institute, Beijing, China
| | - Zhen Liu
- 2 Peking University Cancer Hospital and Institute, Beijing, China
| | - Yanfeng Xi
- 4 Shanxi Medical University, Taiyuan, China
| | - Yu Tao
- 1 Washington University School of Medicine, St Louis, MO, USA
| | | | - Dengfeng Cao
- 1 Washington University School of Medicine, St Louis, MO, USA
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