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Tuncer A, Ogut Z, Usta S, Akbulut S, Sahin TT, Yilmaz S. Concomittant Liver Transplantation and Low Anterior Resection in Patient with Neuroendocrine Tumor and Chronic Hepatitis B Infection. J Gastrointest Cancer 2022; 53:1121-1123. [PMID: 34611835 PMCID: PMC8492089 DOI: 10.1007/s12029-021-00719-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2021] [Indexed: 02/07/2023]
Affiliation(s)
- Adem Tuncer
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey.
| | - Zeki Ogut
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey
| | - Sertac Usta
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey
| | - Sami Akbulut
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey
| | - Tevfik Tolga Sahin
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey
| | - Sezai Yilmaz
- Liver Transplant Institute and Department of Surgery , Faculty of Medicine, Inonu University, 44280, Malatya, Turkey
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Zhang Y, Guo Q. Endoscopic treatment of rectal neuroendocrine tumors. Shijie Huaren Xiaohua Zazhi 2018; 26:957-963. [DOI: 10.11569/wcjd.v26.i16.957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The rectum is one of the most frequent location where gastroenteropancreatic neuroendocrine tumors (NETs) are found. With the increasingly widespread availability of colonoscopy screening, the detection rate of rectal NETs has markedly increased, most of which are localized lesions without regional invasion or distant metastasis. Therefore, endoscopic resection is acknowledged as a leading therapeutic approach. Endoscopic mucosal resection, endoscopic submucosal dissection, and transanal endoscopic microsurgery are therapies that have been prevalently applied and technically improved in recent years, which assure increasing complete resection rate and good overall prognosis.
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Affiliation(s)
- Yu Zhang
- Department of Gastroenterology, the First People's Hospital of Yunnan Province, Yunnan Provincial Institute of Digestive Disease, Kunming 650032, Yunnan Province, China
| | - Qiang Guo
- Department of Gastroenterology, the First People's Hospital of Yunnan Province, Yunnan Provincial Institute of Digestive Disease, Kunming 650032, Yunnan Province, China
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Okubo Y, Kasajima R, Suzuki M, Miyagi Y, Motohashi O, Shiozawa M, Yoshioka E, Washimi K, Kawachi K, Kameda Y, Yokose T. Risk factors associated with the progression and metastases of hindgut neuroendocrine tumors: a retrospective study. BMC Cancer 2017; 17:769. [PMID: 29145818 PMCID: PMC5693490 DOI: 10.1186/s12885-017-3769-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 11/09/2017] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The worldwide incidence of neuroendocrine tumors (NETs) has increased remarkably, with the hindgut being the second most common site for such tumors. However, the mechanisms underlying progression and metastasis of hindgut NETs are unclear. A retrospective study was conducted to elucidate these mechanisms. METHODS Clinicopathological data of cases of hindgut NET between April 1996 and September 2015 were analyzed, retrospectively. Patients with neuroendocrine carcinoma were excluded. Formalin-fixed paraffin-embedded tissues of hindgut NET cases were subjected to detailed morphometric and immunohistochemical analyses. Statistical analyses were performed using the non-parametric Mann-Whitney U test, Spearman's correlation coefficient, and chi-squared test. Multivariate logistic regression analysis was conducted as appropriate for the data set. RESULTS Fifty-six hindgut NET cases were considered. Microvessel density and lymphatic microvessel density were identified as significant risk factors for venous and lymphatic invasion. There was a positive correlation between microvessel density and the maximum tumor diameter. Multivariate logistic regression analysis revealed that the maximum tumor diameter alone was an independent predictor of lymph node metastasis, whereas lymphovascular invasion and MVD was not the predictor of lymph node metastasis. There were no significant correlations between the Ki-67 labeling index and any of the parameters evaluated including age, sex, the maximum tumor diameter, venous invasion, lymphatic invasion, microvessel density, lymphatic microvessel density, and lymph node metastasis. CONCLUSIONS Angiogenic mechanisms may play important roles in the progression of hindgut NET. Otherwise, the maximum tumor diameter alone was an independent predictor of lymph node metastasis in hindgut NETs. Moreover, our study raises the question of whether the presence of lymphovascular invasion, in endoscopically obtained hindgut NET tissues, is an absolute indication for additional surgery or not.
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Affiliation(s)
- Yoichiro Okubo
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan.
| | - Rika Kasajima
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Masaki Suzuki
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Yohei Miyagi
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Osamu Motohashi
- Department of Gastroenterology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Manabu Shiozawa
- Department of Gastrointestinal Surgery, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Emi Yoshioka
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Kota Washimi
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Kae Kawachi
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Yoichi Kameda
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
| | - Tomoyuki Yokose
- Department of Pathology, Kanagawa Cancer Center, 2-3-2, Nakao, Asahi-Ku, Yokohama, Kanagawa, 241-8515, Japan
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