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Pancreatic neuroendocrin neoplasm

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https://www.readbyqxmd.com/read/28291009/a-family-with-von-hippel-lindau-syndrome-the-findings-of-indium-111-somatostatin-receptor-scintigraphy-iodine-123-metaiodobenzylguanidine-scintigraphy-and-single-photon-emission-computerized-tomography
#1
Pelin Arıcan, Berna Okudan Tekin, Seniha Naldöken, Rıza Şefizade, Dilek Berker
Von Hippel-Lindau syndrome (VHLS) is an autosomal dominant hereditary familial disorder characterized by development of malignant and benign neoplasms. Differential diagnosis of the adrenal and pancreatic masses are difficult in patients with VHLS. Iodine-123 metaiodobenzylguanidine (I-123 MIBG) and indium-111 somatostatin receptor scintigraphies (In-111 SRS) have important roles in the differential diagnosis of adrenal and pancreatic masses in those patients. In this case report, we present the findings of I-123 MIBG single-photon emission computerized tomography (SPECT/CT) and In-111 SRS SPECT/CT in three members of a family with VHLS...
February 5, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28265400/laparoscopic-splenopancreatectomy-for-an-endocrine-tumor-with-cystic-changes-a-case-report
#2
Hideki Izumi, Naoki Yazawa, Daisuke Furukawa, Yoshihito Masuoka, Misuzu Yamada, Taro Mashiko, Yohei Kawashima, Masami Ogawa, Yoshiaki Kawaguchi, Tetsuya Mine, Kenichi Hirabayashi, Toshio Nakagohri
The biological behavior of a cystic pancreatic endocrine neoplasm is less aggressive than that of pancreatic neuroendocrine neoplasms, and its prognosis is better. Limited surgery should be considered for cystic pancreatic endocrine neoplasms that are not accompanied preoperatively by lymph node or distant metastasis.
March 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28256369/anti-hu-paraneoplastic-brainstem-encephalitis-caused-by-a-pancreatic-neuroendocrine-tumor-presenting-with-central-hypoventilation
#3
Marc Najjar, Andrew Taylor, Surbhi Agrawal, Tito Fojo, Alexander E Merkler, Marc K Rosenblum, Laura Lennihan, Michael D Kluger
Paraneoplastic neurological syndromes are rare autoimmune manifestations of malignancies associated with specific antibodies. Anti-Hu associated brainstem encephalitis, a well-described syndrome, usually presents subacutely with preferential involvement of the medulla. Anti-Hu antibodies target intraneuronal antigens and are therefore highly correlated with neurological syndromes when present concomitantly with a neoplasm. Reported is a case of anti-Hu brainstem encephalitis associated with a pancreatic neuroendocrine tumor (PNET) presenting with central hypoventilation...
February 27, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28254159/surveillance-strategy-for-small-asymptomatic-non-functional-pancreatic-neuroendocrine-tumors-a-systematic-review-and-meta-analysis
#4
REVIEW
Ville Sallinen, Tessa Y S Le Large, Shamil Galeev, Zahar Kovalenko, Elke Tieftrunk, Raphael Araujo, Güralp O Ceyhan, Sebastien Gaujoux
BACKGROUND: Non-functional pancreatic neuroendocrine tumors (NF-PNET) are rare neoplasms being increasingly diagnosed. Surgical treatment or expectant management are both suggested for small NF-PNETs. The aim of this study was to evaluate the outcome of surveillance strategy for small NF-PNETs. METHODS: A systematic search was performed up to March 2016 in MEDLINE, EMBASE and the Cochrane Library according to the PRISMA guidelines. Data was pooled using the random-effects model...
February 18, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28197876/enhancing-pancreatic-mass-with-normal-serum-ca19-9-key-mdct-features-to-characterize-pancreatic-neuroendocrine-tumours-from-its-mimics
#5
Liang Zhu, Hua-Dan Xue, Wei Liu, Xuan Wang, Xin Sui, Qin Wang, Daming Zhang, Ping Li, Zheng-Yu Jin
OBJECTIVES: To determine key MDCT features for characterizing pancreatic neuroendocrine tumours (PNET) from their mimics, which manifest as enhancing pancreatic mass with normal serum CA19-9 level. METHODS: This retrospective study had institutional review board approval and informed consent was waived. Preoperative multiphase MDCT of 74 patients with enhancing pancreatic masses and normal serum CA19-9 levels were included. Surgical pathologies were PNET (n = 42), microcystic serous cystadenomas (m-SCN, n = 12) and solid pseudopapillary epithelial neoplasms (SPEN, n = 20)...
February 15, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28176217/can-mdct-or-eus-features-predict-the-histopathological-grading-scheme-of-pancreatic-neuroendocrine-neoplasms
#6
Hui Zhu, Lang Ying, Wei Tang, Xiujiang Yang, Bo Sun
PURPOSE: To identify whether the features of preoperative MDCT or EUS could predict the histopathological grading scheme of pancreatic neuroendocrine neoplasms (pNENs). METHODS: A total of 25 patients with pNENs were enrolled in the present study. The qualitative and quantitative variables were reviewed. The qualitative variables included location, contour, border, necrosis, intratumoral vessel, homogeneity, calcification, peripancreatic fat/vessel infiltration, pancreatic duct dilatation, mass within pancreas, lymphadenopathy and hepatic metastasis on MDCT and border, echogenicity, cystic/solid and blood flow on EUS...
February 7, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28162214/-the-role-of-hong-s-single-stitch-duct-to-mucosa-pancreaticojejunostomy-in-laparoscopic-pancreaticoduodenectomy
#7
D F Hong, Y H Liu, Y H Zhang, Y C Wang, Z M Wang, W D Wu, G L Shen, J G Zhang, W Zhang, J Cheng, S Y Peng
Objective: To investigate the role of "Hong's single-stitch duct to mucosa pancreaticojejunostomy(HSDMP)" in laparoscopic pancreaticoduodenectomy (LPD). Methods: The clinical data including perioperative and short-term outcomes of 51 cases of LPD with HSDMP which performed in Zhejiang Provincial People's Hospital(33 cases) and Frist Clinical Hospital of Jilin University(18 cases) between April and October 2016 were reviewed retrospectively. There were 31 male patients and 20 female patients. The mean age was(59±11)years...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28146608/neuroendocrine-liver-metastasis-the-chance-to-be-cured-after-liver-surgery
#8
Fabio Bagante, Gaya Spolverato, Katiuscha Merath, Lauren McLendon Postlewait, George A Poultsides, Matthew G Mullen, Todd W Bauer, Ryan C Fields, Jorge Lamelas, Hugo P Marques, Luca Aldrighetti, Thuy Tran, Shishir K Maithel, Timothy M Pawlik
BACKGROUND AND OBJECTIVE: Neuroendocrine liver metastasis tumors (NELM) are a heterogeneous group of neoplasms with varied histologic features and a wide range of clinical behaviors. We aimed to identify the fraction of patients cured after liver surgery for NELM. METHODS: Cure fraction models were used to analyze 376 patients who underwent hepatectomy with curative intent for NELM. RESULTS: The median and 5-year disease-free survival (DFS) were 4...
February 1, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28127201/pancreatic-neuroendocrine-neoplasms-magnetic-resonance-imaging-features-according-to-grade-and-stage
#9
Riccardo De Robertis, Sara Cingarlini, Paolo Tinazzi Martini, Silvia Ortolani, Giovanni Butturini, Luca Landoni, Paolo Regi, Roberto Girelli, Paola Capelli, Stefano Gobbo, Giampaolo Tortora, Aldo Scarpa, Paolo Pederzoli, Mirko D'Onofrio
AIM: To describe magnetic resonance (MR) imaging features of pancreatic neuroendocrine neoplasms (PanNENs) according to their grade and tumor-nodes-metastases stage by comparing them to histopathology and to determine the accuracy of MR imaging features in predicting their biological behavior. METHODS: This study was approved by our institutional review board; requirement for informed patient consent was waived due to the retrospective nature of the study. Preoperative MR examinations of 55 PanNEN patients (29 men, 26 women; mean age of 57...
January 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28122374/a-role-for-vitamin-d-in-the-gastro-entero-pancreatic-neuroendocrine-neoplasms-outcome-report-on-a-series-from-a-single-institute
#10
Sara Massironi, Alessandra Zilli, Susanna Bernasconi, Ilaria Fanetti, Federica Cavalcoli, Clorinda Ciafardini, Irene Felicetta, Dario Conte
No abstract text is available yet for this article.
January 26, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28111046/validation-and-comparison-between-current-prognostication-systems-for-pancreatic-neuroendocrine-neoplasms-a%C3%A2-single-institution-experience-with-176-patients
#11
Roxanne Teo, Brian K P Goh, David W M Tai, John C Allen, Tony K H Lim, Jacqueline S G Hwang, Damien M Tan, Ser-Yee Lee, Chung-Yip Chan, Peng-Chung Cheow, Pierce K H Chow, London L P J Ooi, Alexander Y F Chung, Simon Ong
BACKGROUND: This article aims to validate and compare the performance of 6 prognostication systems-the World Health Organization 2010 grading criteria, the European Neuroendocrine Tumour Society and the American Joint Committee for Cancer staging systems, the Memorial Sloan Kettering Cancer Center staging and grading systems, as well as the Bilimoria criteria in a cohort of patients with pancreatic neuroendocrine neoplasms at a single institution. METHODS: A retrospective review of 176 patients with histologically proven pancreatic neuroendocrine neoplasm was performed...
January 19, 2017: Surgery
https://www.readbyqxmd.com/read/28107758/retroperitoneal-unicentric-castleman-s-disease-a-case-report
#12
Nihed Abdessayed, Ahlem Bdioui, Houssem Ammar, Rahul Gupta, Nozha Mhamdi, Marwa Guerfela, Moncef Mokni
INTRODUCTION: Castleman's disease (CD) is an angio-follicular lymph node hyperplasia presenting as a localized or a systemic disease masquerading malignancy. The most common sites of CD are mediastinum, neck, axilla and pelvis. Unicentric CD in the peripancreatic region is very rare. PRESENTATION OF CASE: We report a case of the 34-year-old lady presenting with epigastric pain for 3 months. Abdominal imaging revealed a retroperitoneal mass arising from the pancreas suspected to be neuroendocrine tumor...
January 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28104683/panin-neuroendocrine-cells-promote-tumorigenesis-via-neuronal-crosstalk
#13
Smrita Sinha, Ya-Yuan Fu, Adrien Grimont, Maren Ketcham, Kelly J Lafaro, Joseph A Saglimbeni, Gokce Askan, Jennifer M Bailey, Jerry P Melchor, Yi Zhong, Min Geol Joo, Olivera Grbovic-Huezo, In-Hong Yang, Olca Basturk, Lindsey Baker, Youngkyu Park, Robert C Kurtz, David A Tuveson, Steven D Leach, Pankaj Pasricha
Nerves are a notable feature of the tumor microenvironment in some epithelial tumors, but their role in the malignant progression of pancreatic ductal adenocarcinoma (PDAC) is uncertain. Here we identify dense innervation in the microenvironment of precancerous pancreatic lesions, known as pancreatic intraepithelial neoplasms (PanIN), and describe a unique subpopulation of neuroendocrine PanIN cells that express the neuropeptide substance P (SP) receptor Neurokinin 1-R (NK1-R). Using organoid culture, we demonstrated that sensory neurons promoted the proliferation of PanIN organoids via SP-NK1-R signaling and Stat3 activation...
January 19, 2017: Cancer Research
https://www.readbyqxmd.com/read/28099930/efficacy-of-transcatheter-arterial-chemoembolization-for-liver-metastases-arising-from-pancreatic-cancer
#14
Jun-Hui Sun, Tan-Yang Zhou, Yue-Lin Zhang, Guan-Hui Zhou, Chun-Hui Nie, Tong-Yin Zhu, Sheng-Qun Chen, Bao-Quan Wang, Song Ye, Yan Shen, Hua Guo, Wei-Lin Wang, Shu-Sen Zheng
PURPOSE: The aim of the study was to evaluate the efficacy of transcatheter arterial chemoembolization (TACE) in treating patients with liver metastases from pancreatic cancer, and explore the prognostic risk factors. RESULTS: Three of the 27 patients were totally recovered, and 12 were partially alleviated. The total efficacy rate was 55.6% (15/27). The median survival time was 13.6 months, and the 0.5-, 1-, 2-, 3-, and 5-year survival rates were 70.4% (19/27), 48...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099344/laparoscopic-total-pancreatectomy-case-report-and-literature-review
#15
REVIEW
Xin Wang, Yongbin Li, Yunqiang Cai, Xubao Liu, Bing Peng
RATIONALE: Laparoscopic total pancreatectomy is a complicated surgical procedure and rarely been reported. This study was conducted to investigate the safety and feasibility of laparoscopic total pancreatectomy. PATIENTS AND METHODS: Three patients underwent laparoscopic total pancreatectomy between May 2014 and August 2015. We reviewed their general demographic data, perioperative details, and short-term outcomes. General morbidity was assessed using Clavien-Dindo classification and delayed gastric emptying (DGE) was evaluated by International Study Group of Pancreatic Surgery (ISGPS) definition...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28098761/pancreatic-neuroendocrine-neoplasms-basic-biology-current-treatment-strategies-and-prospects-for-the-future
#16
REVIEW
Akihiro Ohmoto, Hirofumi Rokutan, Shinichi Yachida
Pancreatic neuroendocrine neoplasms (pNENs) are rare tumors accounting for only 1%-2% of all pancreatic tumors. pNENs are pathologically heterogeneous and are categorized into three groups (neuroendocrine tumor: NET G1, NET G2; and neuroendocrine carcinoma: NEC) on the basis of the Ki-67 proliferation index and the mitotic count according to the 2010 World Health Organization (WHO) classification of gastroenteropancreatic NENs. NEC in this classification includes both histologically well-differentiated and poorly differentiated subtypes, and modification of the WHO 2010 classification is under discussion based on genetic and clinical data...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28094897/cytology-assessment-can-predict-survival-for-patients-with-metastatic-pancreatic-neuroendocrine-neoplasms
#17
Carlie S Sigel, Huimin Guo, Keith M Sigel, Ming Zhang, Natasha Rekhtman, Oscar Lin, David S Klimstra, Achim A Jungbluth, Laura K Tang
BACKGROUND: Histological features and Ki-67 index have known usefulness in predicting prognosis and guiding therapy among patients with metastatic pancreatic neuroendocrine neoplasms. Fine-needle aspiration may offer advantages for Ki-67 assessment because the technique obtains highly cellular, well-preserved specimens with the potential for broader tumor sampling. In the current study, the authors evaluated concordance for grade and differentiation between concurrent core needle biopsy and cytology preparations...
March 2017: Cancer
https://www.readbyqxmd.com/read/28088602/aggressive-surgical-approach-to-the-management-of-neuroendocrine-tumors-a-report-of-1-000-surgical-cytoreductions-by%C3%A2-a%C3%A2-single%C3%A2-institution
#18
Eugene A Woltering, Brianne A Voros, David T Beyer, Yi-Zarn Wang, Ramcharan Thiagarajan, Pamela Ryan, Anne Wright, Robert A Ramirez, M Jennifer Ricks, J Philip Boudreaux
BACKGROUND: Neuroendocrine tumors (NETs) are rare neoplasms. Our group has treated more than 2,000 NET patients and has performed more than 1,000 surgical cytoreductive procedures. STUDY DESIGN: Records of 834 NET patients who underwent surgical cytoreduction at our institution were reviewed. Demographic information, intraoperative findings, extent of disease, complications, and survival rates were calculated. RESULTS: Eight hundred patients underwent 1,001 cytoreductive operations...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28059098/somatostatin-receptor-expression-related-to-tp53-and-rb1-alterations-in-pancreatic-and-extrapancreatic-neuroendocrine-neoplasms-with-a-ki67-index-above-20
#19
Björn Konukiewitz, Anna Melissa Schlitter, Moritz Jesinghaus, Dominik Pfister, Katja Steiger, Angela Segler, Abbas Agaimy, Bence Sipos, Giuseppe Zamboni, Wilko Weichert, Irene Esposito, Nicole Pfarr, Günter Klöppel
Somatostatin receptor 2A expression is a feature of well-differentiated neuroendocrine neoplasms and is important for their diagnosis and therapy. Little is known about somatostatin receptor 2A expression in poorly differentiated neuroendocrine neoplasms in relation to TP53 and RB1 status and how these features may contribute to the separation of well from poorly differentiated neuroendocrine neoplasms with a proliferation index above 20%. This study investigates the expression of somatostatin receptors, p53 and Rb1, and TP53 alterations in pancreatic and extrapancreatic well and poorly differentiated neuroendocrine neoplasms (Ki67-index >20%)...
January 6, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28055239/the-evolving-role-of-pathology-in-new-developments-classification-terminology-and-diagnosis-of-pancreatobiliary-neoplasms
#20
REVIEW
Michelle D Reid, Melinda M Lewis, Field F Willingham, N Volkan Adsay
Pancreatobiliary tract lesions are increasingly being discovered because of more sensitive imaging modalities. Magnetic resonance imaging has identified incidental pancreatic cysts in 13.5% of patients of progressively increasing age. Pancreatobiliary tissue is more accessible through endoscopic ultrasound and magnetic resonance imaging-guided biopsy procedures, and is now an integral part of pathologists' routine practice. Accordingly, several new tumor categories have been recently recognized, including intraductal tubulopapillary neoplasm, a new addition to tumoral intraepithelial neoplasms...
March 2017: Archives of Pathology & Laboratory Medicine
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