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neuroendocrin tumors of the pancreas

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https://www.readbyqxmd.com/read/28078110/radioembolization-with-90-y-glass-microspheres-for-the-treatment-of-unresectable-metastatic-liver-disease-from-chemotherapy-refractory-gastrointestinal-cancers-final-report-of-a-prospective-pilot-study
#1
Nicholas Fidelman, Robert K Kerlan, Randall A Hawkins, Miguel Pampaloni, Andrew G Taylor, Maureen P Kohi, K Pallav Kolli, Chloe E Atreya, Emily K Bergsland, R Kate Kelley, Andrew H Ko, W Michael Korn, Katherine Van Loon, Ryan M McWhirter, Jennifer Luan, Curt Johanson, Alan P Venook
BACKGROUND: This prospective pilot single-institution study was undertaken to document the feasibility, safety, and efficacy of radioembolization of liver-dominant metastatic gastrointestinal cancer using (90)Y glass microspheres. METHODS: Between June 2010 and October 2013, 42 adult patients (26 men, 16 women; median age 60 years) with metastatic chemotherapy-refractory unresectable colorectal (n=21), neuroendocrine (n=11), intrahepatic bile duct (n=7), pancreas (n=2), and esophageal (n=1) carcinomas underwent 60 lobar or segmental administrations of (90)Y glass microspheres...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28068959/pancreatic-neuroendocrine-tumor-with-metastasis-to-the-spleen-a-case-report
#2
Yasunaru Sakuma, Yoshikazu Yasuda, Naohiro Sata, Yoshinori Hosoya, Atsushi Shimizu, Hirofumi Fujii, Daisuke Matsubara, Noriyuki Fukushima, Atsushi Miki, Misato Maeno, Alan Kawarai Lefor
BACKGROUND: Long-term term survival in patients with pancreatic neuroendocrine tumors has been reported, even in patients with metastatic disease. Metastases to the spleen are extremely rare, but have been reported from a number of primary malignancies, such as breast cancer, lung cancer, melanoma and ovarian cancer. This is the first report of a splenic metastasis from a primary pancreatic neuroendocrine tumor. CASE PRESENTATION: The patient presented as a 53 years old white male with anemia and fatigue...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28043759/baseline-plasma-chromogranin-a-levels-in-patients-with-well-differentiated-neuroendocrine-tumors-of-the-pancreas-a-potential-predictor-of-postoperative-recurrence
#3
Yoshihide Nanno, Hirochika Toyama, Ippei Matsumoto, Kyoko Otani, Sadaki Asari, Tadahiro Goto, Tetsuo Ajiki, Yoh Zen, Takumi Fukumoto, Yonson Ku
BACKGROUND: The present study aimed to elucidate prognostic values of baseline plasma chromogranin A (CgA) concentrations in patients with resectable, well-differentiated pancreatic neuroendocrine tumors (PNETs). METHODS: Preoperative CgA levels in 21 patients with PNET were correlated with clinicopathological factors and patients' survival. RESULTS: Plasma CgA levels ranged 2.9-30.8 pmol/mL (median 6.0), and were significantly elevated in patients with post-operative recurrence (P = 0...
December 29, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28035432/chemoembolization-of-neuroendocrine-liver-metastases-using-streptozocin-and-tris-acryl-microspheres-embozar-embosphere%C3%A2-%C3%A2-zanosar-study
#4
Jean-Pierre Pelage, Audrey Fohlen, Emmanuel Mitry, Christine Lagrange, Alain Beauchet, Philippe Rougier
PURPOSE: The purpose of this prospective observational study was to evaluate the efficacy and tolerability of transarterial chemoembolization (TACE) for neuroendocrine liver metastases using a combination of streptozocin, Lipiodol, and tris-acryl microspheres. PATIENTS AND METHODS: A total of 16 men and 9 women aged 59.6 ± 11.3 years, all with predominant liver disease, underwent 54 courses of TACE using an emulsion of 1.5 g of streptozocin and 10 ml of Lipiodol...
December 29, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28018101/management-of-neuroendocrine-carcinomas-of-the-pancreas-who-g3-a-tailored-approach-between-proliferation-and-morphology
#5
REVIEW
Stefano Crippa, Stefano Partelli, Giulio Belfiori, Marco Palucci, Francesca Muffatti, Olga Adamenko, Luca Cardinali, Claudio Doglioni, Giuseppe Zamboni, Massimo Falconi
Neuroendocrine carcinomas (NEC) of the pancreas are defined by a mitotic count > 20 mitoses/10 high power fields and/or Ki67 index > 20%, and included all the tumors previously classified as poorly differentiated endocrine carcinomas. These latter are aggressive malignancies with a high propensity for distant metastases and poor prognosis, and they can be further divided into small- and large-cell subtypes. However in the NEC category are included also neuroendocrine tumors with a well differentiated morphology but ki67 index > 20%...
December 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28000628/role-of-contrast-harmonic-endoscopic-ultrasonography-in-other-pancreatic-solid-lesions-neuroendocrine-tumors-autoimmune-pancreatitis-and-metastases
#6
REVIEW
Maxime Palazzo
Contrast harmonic endoscopic ultrasonography (CH-EUS) is a new technique which allows the dynamic study of the microvascularization of a target tissue. Its application is validated for the diagnosis of pancreatic adenocarcinoma but remains unclear for other solid pancreatic tumors (neuroendocrine tumors [NETs], autoimmune pancreatitis [AIP], metastases). The purpose of this review is to outline the potential role of the CH-EUS in these indications. NETs are typically iso/hyperenhanced at CH-EUS, and a heterogeneous enhancement seems a good predictor of malignancy in neuroendocrine pancreatic tumor...
November 2016: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/27991926/chronic-inflammation-initiates-multiple-forms-of-k-ras-independent-mouse-pancreatic-cancer-in-the-absence-of-tp53
#7
A K Swidnicka-Siergiejko, S B Gomez-Chou, Z Cruz-Monserrate, D Deng, Y Liu, H Huang, B Ji, N Azizian, J Daniluk, W Lu, H Wang, A Maitra, C D Logsdon
Chronic inflammation (CI) is a risk factor for pancreatic cancer (PC) including the most common type, ductal adenocarcinoma (PDAC), but its role and the mechanisms involved are unclear. To investigate the role of CI in PC, we generated genetic mouse models with pancreatic specific CI in the presence or absence of TP53. Mice were engineered to express either cyclooxygenase-2 (COX-2) or IκB kinase-2 (IKK2), and TP53(+/+) or TP53(f/f) specifically in adult pancreatic acinar cells by using a full-length pancreatic elastase promoter-driven Cre...
December 19, 2016: Oncogene
https://www.readbyqxmd.com/read/27984235/intraductal-tubulopapillary-neoplasm-of-the-pancreas-a-clinicopathologic-and-immunohistochemical-analysis-of-33-cases
#8
Olca Basturk, Volkan Adsay, Gokce Askan, Deepti Dhall, Giuseppe Zamboni, Michio Shimizu, Karina Cymes, Fatima Carneiro, Serdar Balci, Carlie Sigel, Michelle D Reid, Irene Esposito, Helena Baldaia, Peter Allen, Günter Klöppel, David S Klimstra
Intraductal tubulopapillary neoplasm (ITPN) is a relatively recently described member of the pancreatic intraductal neoplasm family. Thus, the literature on its histologic and immunohistochemical features, clinical behavior, and its similarities and differences from other pancreatic neoplasms is limited. Thirty-three cases of ITPN, the largest series to date, were identified. Immunohistochemical labeling for cytokeratins, glycoproteins, pancreatic enzymes, markers for intestinal and neuroendocrine differentiation, and antibodies associated with genetic alterations previously described in pancreatic neoplasms was performed...
December 14, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27942928/efficacy-and-safety-of-everolimus-and-sunitinib-in-patients-with-gastroenteropancreatic-neuroendocrine-tumor
#9
Changhoon Yoo, Hyungwoo Cho, Min Jeong Song, Seung-Mo Hong, Kyu-Pyo Kim, Heung-Moon Chang, Heejung Chae, Tae Won Kim, Yong Sang Hong, Min-Hee Ryu, Yoon-Koo Kang, Song Cheol Kim, Baek-Yeol Ryoo
PURPOSE: Efficacy of targeted agents, such as everolimus and sunitinib, has been demonstrated in prospective trials on patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs). Considering the heterogeneous clinicopathological characteristics of neuroendocrine tumors (NETs), evaluation of treatment outcomes in a real-world setting is necessary. METHODS: Clinical records of 44 patients with GEP-NET who were treated with everolimus or sunitinib between March 2007 and October 2014 were retrospectively reviewed...
December 10, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27931107/a-diffusely-enlarged-pancreas-the-un-usual-suspect
#10
Pedro Magalhães-Costa, Maria José Brito, Pedro Pinto-Marques
An 81-years-old female presented with obstructive jaundice and a non-specific clinical picture of nausea and appetite loss. Labs demonstrated a conjugated hyperbilirrubinemia (7.7 mg/dL), increased aspartate aminotransferase and alanine aminotransferase (10xULN and 8xULN, respectively), increased lactate dehydrogenase (10xULN) and serum lipase (3xULN). CA 19.9 was 342 U/mL (Ref value < 37 U/mL). There was no evidence of peripheral lymphadenopathy or hepatosplenomegaly. Imaging (Figure 1A and 1B) revealed a marked homogeneous enlargement of the pancreas (without any well-defined mass), dilation of the extra and intra-hepatic bile ducts and ascites...
December 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27928440/a-rare-case-of-metastasized-non-functional-pancreatic-neuroendocrine-tumor-with-a-good-long-term-survival
#11
Mirică A, Bădărău Ia, Mirică R, Păun S, Păun Dl
Background: Non-functional neuroendocrine tumors of the pancreas (NF-pNETs) are a varied group of extremely rare malignancies. The majority of patients already have liver metastases at the diagnosis moment, thus, treatment options are restricted, and the survival rate is reserved. Case report: We presented the case of 59-year-old patient, diagnosed with non-functional well-differentiated pancreatic neuroendocrine tumor grade II (NET G2) with the presence of chromogranin A, synaptophysin and somatostatin receptor 2, together with liver and bone metastases...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27926368/genetic-syndromes-with-pancreatic-manifestations
#12
REVIEW
Meredith E Pittman, Lodewijk A A Brosens, Laura D Wood
Although the pancreas is affected by only a small fraction of known inherited disorders, several of these syndromes predispose patients to pancreatic adenocarcinoma, a cancer that has a consistently dismal prognosis. Still other syndromes are associated with neuroendocrine tumors, benign cysts, or recurrent pancreatitis. Because of the variability of pancreatic manifestations and outcomes, it is important for clinicians to be familiar with several well-described genetic disorders to ensure that patients are followed appropriately...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27920649/hepatoid-carcinoma-of-the-pancreas-case-report-next-generation-tumor-profiling-and-literature-review
#13
James M Chang, Nitin N Katariya, Dora M Lam-Himlin, Danielle J Haakinson, Ramesh K Ramanathan, Thorvardur R Halfdanarson, Mitesh J Borad, Rahul Pannala, Douglas Faigel, Adyr A Moss, Amit K Mathur
Fewer than 25 cases of hepatoid carcinoma of the pancreas have been reported in the literature. We present a case in a 61-year-old male with a remote history of Hodgkin's lymphoma and gastric neuroendocrine cell hyperplasia. On surveillance endoscopic ultrasound, an 8 × 5 mm cystic lesion was seen in the tail of the pancreas. MRI showed a focal pancreatic duct cut-off with mild ductal dilation. Fine needle aspiration was performed, which was concerning for acinar cell carcinoma. The patient underwent distal pancreatectomy and recovered uneventfully...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27906872/role-of-combined-68ga-dotatoc-and-18f-fdg-positron-emission-tomography-computed-tomography-in-the-diagnostic-workup-of-pancreas-neuroendocrine-tumors-implications-for-managing-surgical-decisions
#14
Sara Cingarlini, Silvia Ortolani, Matteo Salgarello, Giovanni Butturini, Anna Malpaga, Veronica Malfatti, Mirko DʼOnofrio, Maria Vittoria Davì, Paola Vallerio, Andrea Ruzzenente, Paola Capelli, Elia Citton, Elisabetta Grego, Chiara Trentin, Riccardo De Robertis, Aldo Scarpa, Claudio Bassi, Giampaolo Tortora
OBJECTIVES: Ga-DOTATOC (Ga) positron emission tomography (PET)/computed tomography (CT) is recommended in the workup of pancreas neuroendocrine tumors (PanNETs); evidence suggests that F-FDG (F) PET/CT can also provide prognostic information. Aims of this study were to assess the role of combined Ga- and F-PET/CT in the evaluation of grade (G) 1-2 PanNETs and to test the correlation between F-PET/CT positivity and tumor grade. METHODS: Preoperative Ga- and F-PET/CT of 35 patients with surgically resected G1-2 PanNETs were evaluated...
January 2017: Pancreas
https://www.readbyqxmd.com/read/27894759/pancreaticoduodenectomy-for-pediatric-and-adolescent-pancreatic-malignancy-a-single-center-retrospective-analysis
#15
Erika B Lindholm, Abdulaziz K Alkattan, Sara J Abramson, Anita P Price, Todd E Heaton, Vinod P Balachandran, Michael P La Quaglia
PURPOSE: While pancreaticoduodenectomy (PD) has been extensively studied in adults, there are few data pertaining specifically to pediatric patients. We retrospectively analyzed PD-associated morbidity and mortality in pediatric patients. METHODS: Our analytic cohort included all consecutive patients ≤18years of age treated at our institution from 1993 to 2015 who underwent PD. Patient data (demographics, disease characteristics, surgical and adjuvant treatment, length of hospital stay, and postoperative course) were extracted from the medical records...
November 16, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27879526/diagnostic-computed-tomography-coregistration-with-in-111-dtpa-octreotide-single-photon-emission-tomography-low-dose-computed-tomography
#16
Sagi Tshori, Moshe Bocher, Bella Yuzefovich, Rina Rubinstein, David J Gross, Merav Fraenkel, Yodphat Krausz
OBJECTIVES: In-111-DTPA-octreotide (OctreoScan) is still pivotal for neuroendocrine tumor imaging, despite the introduction of Ga-68-octreotide tracers. Low-dose computed tomography (LDCT) assists in the localization of SPECT findings but often results in uncertain interpretation. This retrospective study evaluates the impact of coregistration of In-111-DTPA-octreotide SPECT/LDCT with diagnostic CT on interpretation. METHODS: Thirty-five consecutive studies, in which coregistration was performed because of uncertain interpretation, were evaluated...
December 23, 2016: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/27878636/imaging-of-secretory-tumors-of-the-gastrointestinal-tract
#17
REVIEW
Yehia M ElGuindy, Sanaz Javadi, Christine O Menias, Corey T Jensen, Haitham Elsamaloty, Khaled M Elsayes
Gastrointestinal secretory tumors, or gastroenteropancreatic neuroendocrine tumors, encompass a wide array of endocrine cell tumors. The significance of these tumors lies in their ability to alter physiology through hormone production as we well as in their malignant potential. Functioning tumors may present earlier due to symptomatology; conversely, non-functioning tumors are often diagnosed late as they reach large sizes, causing symptoms secondary to local mass effect. Imaging aids in the diagnosis, staging, and prognosis and provides key information for presurgical planning...
November 23, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27876341/imaging-of-neuroendocrine-tumors-of-the-pancreas
#18
C Dromain, D Déandréis, J-Y Scoazec, D Goere, M Ducreux, E Baudin, L Tselikas
Pancreatic neuroendocrine tumors (PNETs) are rare and represent a heterogeneous disease. PNET can be functioning or non-functioning with different clinical presentations and different prognosis based on WHO and pTNM classifications. The role of imaging includes the localization of small functioning tumor, differentiation of these tumors from adenocarcinoma, identification of signs of malignancy and evaluation of extent. PNETs have a broad spectrum of appearance. On CT and MRI, most of functioning PNETs are well defined small tumors with intense and homogeneous enhancement on arterial and portal phases...
December 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27864816/giant-insulinoma-report-of-a-case-and-review-of-published-reports
#19
Kazumitsu Ueda, Tetsuro Taira, Hiroyuki Hakoda, Shoko Nakata, Shinya Okata, Takeshi Nagai, Shigeo Aoki, Hideyuki Mishima, Akihiko Sako, Tsunehiko Maruyama, Minoru Okumura
BACKGROUND: Larger insulinomas are reportedly more likely to be malignant; however, their biological behavior has not been clearly elucidated. We here report the characteristics and treatment of a giant insulinoma with local invasion and lymph node metastasis. We also review published reports concerning the clinical features of giant insulinomas and comparing their grading with that of pancreatic neuroendocrine tumors. CASE PRESENTATION: A 71-year-old man was referred to our hospital for investigation of persistent hypoglycemia...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27863178/fine-needle-aspiration-biopsy-of-pancreatic-neuroendocrine-tumors-correlation-between-ki-67-index-in-cytological-samples-and-clinical-behavior
#20
Cristina Díaz Del Arco, J Miguel Esteban López-Jamar, Luis Ortega Medina, J Ángel Díaz Pérez, Ma Jesús Fernández Aceñero
BACKGROUND: Mitotic count in hematoxylin-eosin stained slides and Ki-67 index allow stratification of patients for prognosis and therapeutic decision making in pancreatic neuroendocrine tumors (PNETs). However, the utility of Ki-67 determination in cytological material and its association to PNET prognosis are under discussion. METHODS: We have retrospectively reviewed all cases of EUS-FNA cytology of pancreatic lesions performed in the Hospital Clínico San Carlos (Madrid) between 2006 and 2016...
January 2017: Diagnostic Cytopathology
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