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Pancreas tumor

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https://www.readbyqxmd.com/read/28726321/the-prevalence-of-transpancreatic-common-hepatic-artery-and-coexisting-variant-anatomy
#1
Kousei Ishigami, Akihiro Nishie, Yoshiki Asayama, Yasuhiro Ushijima, Yukihisa Takayama, Daisuke Okamoto, Nobuhiro Fujita, Tomoharu Yoshizumi, Norifumi Harimoto, Takao Ohtsuka, Kohei Nakata, Hiroshi Honda
PURPOSE: We studied the prevalence of the transpancreatic common hepatic artery (tp-CHA) and coexisting variant anatomy. MATERIALS AND METHODS: The study group comprised 788 consecutive liver transplant donor candidates who had undergone thin-section multidetector-row computed tomography (MDCT) studies to investigate vascular anatomy. Multiplanar reformatted (MPR) images obtained from the arterial phase were retrospectively reviewed to assess the presence/absence of the tp-CHA...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28726153/immunological-issues-after-stem-cell-based-%C3%AE-cell-replacement
#2
REVIEW
Valeria Sordi, Silvia Pellegrini, Lorenzo Piemonti
PURPOSE OF REVIEW: Islet and pancreas transplantation prove that β cell replacement can cure the glycemic derangements in type 1 diabetes (T1D). Induced pluripotent stem cells (iPSCs) can differentiate into functional insulin-producing cells, able to restore normoglycemia in diabetic animal models. iPSCs in particular can be derived from the somatic cells of a person with T1D. This review aims to clarify if it is possible to transplant autologous iPSC-derived β cells without immunosuppression or which are the alternative approaches...
September 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28724304/synchronous-intraductal-papillary-mucinous-neoplasm-and-a-pancreatic-neuroendocrine-tumor-more-than-a-coincidence
#3
Juliana M Costa, Sofia Carvalho, João B Soares
Although the association between intraductal papillary mucinous neoplasm of the pancreas (IPMN) and pancreatic neuroendocrine tumor (PNET) has been increasingly reported, whether this association is real or coincidence remains unclear. We report a case of synchronous IPMN and a PNET which were diagnosed preoperatively and discuss the tumorigenesis, clinicopathological features and management of these rare tumors based on the published literature. A 56-year-old male was incidentally diagnosed with a 14 mm branch duct IPMN and a 3...
July 14, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28722124/pancreatic-undifferentiated-carcinoma-with-osteoclast-like-giant-cells-is-genetically-similar-to-but-clinically-distinct-from-conventional-ductal-adenocarcinoma
#4
Claudio Luchini, Antonio Pea, Gemma Lionheart, Andrea Mafficini, Alessia Nottegar, Nicola Veronese, Peter Chianchiano, Lodewijk A A Brosens, Michaël Noë, G Johan A Offerhaus, Raluca Yonescu, Yi Ning, Giuseppe Malleo, Giulio Riva, Paola Piccoli, Ivana Cataldo, Paola Capelli, Giuseppe Zamboni, Aldo Scarpa, Laura D Wood
Undifferentiated carcinoma of the pancreas with osteoclast-like giant cells (UCOGC) is currently considered a morphologically and clinically distinct variant of pancreatic ductal adenocarcinoma (PDAC). In this study, we report clinical and pathological features of a series of 22 UCOGC, including the whole exome sequencing of 8 UCOGC. We observed that 60% of the UCOGC contained a well-defined epithelial component and that patients with pure UCOGC had a significantly better prognosis than did those with an UCOGC with an associated epithelial neoplasm...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28722109/genomic-signatures-of-adenosquamous-carcinoma-of-the-pancreas-pasc
#5
Yuan Fang, Zhe Su, Jing Xie, Ruidong Xue, Qi Ma, Yanmeng Li, Yifan Zhao, Zeshi Song, Xiongxiong Lu, Hongwei Li, Chenghong Peng, Bai Fan, Baiyong Shen
In pancreatic cancer (PC), adenosquamous carcinoma of the pancreas (PASC) containing both ductal adenocarcinoma and squamous carcinoma in the same tumor represents ~ 4% of the total incidence. To date, the genomic features of this mixed tumor are still unknown. We analyzed genomes of 17 PASCs and 34 ductal adenocarcinomas (PDACs), showing that PASC carried highly enriched TP53 mutations and 3p loss compared to PDAC. Furthermore, we uncovered that adenomatous and squamous components of PASC harbored comparable genomic alterations, suggesting that two cellular components are developed from the same progenitor cancer cells...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28721067/phase-i-dose-escalation-study-of-long-acting-pasireotide-in-patients-with-neuroendocrine-tumors
#6
James C Yao, Jennifer A Chan, Alain C Mita, Madan G Kundu, Karina Hermosillo Reséndiz, Ke Hu, Shoba Ravichandran, Jonathan R Strosberg, Edward M Wolin
This phase I study aimed at determining the maximum tolerated dose (MTD) and characterizing the safety, tolerability, pharmacokinetics (PKs), and efficacy of pasireotide in patients with advanced neuroendocrine tumors (NETs). Patients were enrolled in two phases: dose-escalation phase (to determine the MTD) at a starting dose of 80 mg pasireotide long-acting release (LAR) i.m. followed by a dose-expansion phase (to evaluate safety and prelimi-nary efficacy). Associations between PK/pharmacodynamic parameters and clinical outcomes were evaluated using linear regression analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28718448/neuronal-activity-in-ontogeny-and-oncology
#7
REVIEW
Humsa Venkatesh, Michelle Monje
The nervous system plays a central role in regulating the stem cell niche in many organs, and thereby pivotally modulates development, homeostasis, and plasticity. A similarly powerful role for neural regulation of the cancer microenvironment is emerging. Neurons promote the growth of cancers of the brain, skin, prostate, pancreas, and stomach. Parallel mechanisms shared in development and cancer suggest that neural modulation of the tumor microenvironment may prove a universal theme, although the mechanistic details of such modulation remain to be discovered for many malignancies...
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718090/a-large-retroperitoneal-lymphatic-malformation-successfully-treated-with-traditional-japanese-kampo-medicine-in-combination-with-surgery
#8
Toko Shinkai, Kouji Masumoto, Fumiko Chiba, Nao Tanaka
BACKGROUND: Current treatment options for lymphatic malformations (LMs) are multimodal. Recently, the effectiveness of treating LMs with Eppikajyutsuto (TJ-28) has been reported. TJ-28 is a kind of oral herbal medicine classified as the traditional Japanese Kampo medicine. CASE PRESENTATION: A 12-year-old girl was admitted to our hospital for intermittent upper abdominal pain. Radiological examinations revealed a large (9.5 × 5.8 × 10.0 cm) retroperitoneal LM, which was suspected to adhering and stretching both pancreas head and duodenum...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28717079/severe-hypocalcemia-in-a-patient-with-recurrent-chondrosarcoma
#9
Jung Nam Eun, Yoo Duk Choi, Jeong Ho Lee, Yun Ah Jeong, Jee Hee Yoon, Hee Kyung Kim, Ho-Cheol Kang
Hypocalcemia is relatively uncommon paraneoplastic syndrome. Only one case of hypocalcemia has been reported in a patient with chondrosarcoma. We herein report a case of a 32-year-old woman with metastatic chondrosarcoma with tetany. Her imaging findings revealed multiple calcific metastatic lesions in the lungs, pancreas, left atrium, and pulmonary vein. A laboratory examination showed hypocalcemia with no evidence of any other disease that could induce hypocalcemia. On the basis of the laboratory and clinical findings, we concluded the etiology of her severe hypocalcemia to be excessive calcium consumption by the tumor itself...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28716115/resectable-adenocarcinoma-developing-in-the-remnant-pancreas-7%C3%A2-years-after-partial-pancreatoduodenectomy-for-invasive-ductal-adenocarcinoma-of-the-pancreas-a-case-report
#10
Lina Frei, Ruedi Stieger, Christian Bayerl, Stefan Breitenstein, Ralph F Staerkle
BACKGROUND: Pancreatic adenocarcinoma still has an excessively high mortality rate and resection is the only potentially curative treatment. The postoperative 5-year survival rate is approximately 20% and recurrence develops generally within 2 years. We report a case of a localized recurrent pancreatic adenocarcinoma in the remnant pancreas, 7 years after initial resection. CASE PRESENTATION: In 2008 an abdominal computed tomography scan showed a mass in the pancreas of a 70-year-old white woman, who presented with occlusive jaundice and abdominal pain in her right upper quadrant...
July 17, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28713780/tumor-targeting-by-fusobacterium-nucleatum-a-pilot-study-and-future-perspectives
#11
Jawad Abed, Naseem Maalouf, Lishay Parhi, Stella Chaushu, Ofer Mandelboim, Gilad Bachrach
Colorectal adenocarcinoma (CRC) is a common tumor with high mortality rates. Interestingly, CRC was found to be colonized by the oral anaerobic bacteria Fusobacterium nucleatum, which accelerates tumor progression and enables immune evasion. The CRC-specific colonization by fusobacteria is mediated through the recognition of tumor displayed Gal-GalNAc moieties by the fusobacterial Fap2 Gal-GalNAc lectin. Here, we show high Gal-GalNAc levels in additional adenocarcinomas including those found in the stomach, prostate, ovary, colon, uterus, pancreas, breast, lung, and esophagus...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28708232/primary-signet-ring-cell-carcinoma-of-the-pancreas-with-a-good-response-to-chemotherapy-case-report-and-literature-review
#12
Milan Radojkovic, Dragana Ilic, Ivan Ilic
PURPOSE: Although pancreatic cancer is a common malignancy, signet ring cell carcinoma of the pancreas is a very rare histologic type with only 6 cases reported so far. We present a patient with primary signet ring cell carcinoma of the pancreas and a good response to neoadjuvant chemotherapy. CASE REPORT: A 67-year-old woman presented at a regional hospital with a 2-week history of painless progressive jaundice. Abdominal computed tomography showed a tumor in the head of the pancreas, 4...
July 5, 2017: Tumori
https://www.readbyqxmd.com/read/28706137/assessment-of-pancreatic-neuroendocrine-tumor-cytologic-genotype-diversity-to-guide-personalized-medicine-using-a-custom-gastroenteropancreatic-next-generation-sequencing-panel
#13
Ferga C Gleeson, Jesse S Voss, Benjamin R Kipp, Sarah E Kerr, John S Van Arnam, John R Mills, Cherisse A Marcou, Amber R Schneider, Zheng Jin Tu, Michael R Henry, Michael J Levy
BACKGROUND: Recent genetic studies have highlighted that alterations in MEN1, chromatin remodeling genes, and mammalian target of rapamycin (mTOR) pathway genes are the most frequent molecular events identified in pancreas neuroendocrine tumors (pNETs). The prognostic or predictive impact of these biomarkers and other less frequently observed aberrations, i.e. PTEN, TSC2 and PIK3CA are relatively unknown. The aims of this targeted next generation sequencing (NGS) study were to assess tumor cytology genotype diversity, to survey for potential adverse prognostic biomarkers and the prevalence of mTOR pathway variants...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28705492/primary-lymph-node-gastrinoma-a-single-institution-experience
#14
Yufei Chen, Vikram Deshpande, Cristina Ferrone, Lawrence S Blaszkowsky, Sareh Parangi, Andrew L Warshaw, Keith D Lillemoe, Carlos Fernandez-Del Castillo
BACKGROUND: Gastrinomas are rare neuroendocrine tumors that ectopically secrete gastrin and classically originate within the duodenum or pancreas. The presence of primary lymph node gastrinoma is controversial. We report on a single institution's experience with gastrinoma, with focus on primary lymph node tumors. METHODS: Patients who underwent operative resection of gastrinoma between 1992 and 2016 at a single institution were identified. A diagnosis of primary lymph node gastrinoma was defined as tumor confined to one or more resected peripancreatic lymph nodes, negative localization for any extra-nodal disease and normal gastrin postresection...
July 10, 2017: Surgery
https://www.readbyqxmd.com/read/28705205/clinicopathological-features-and-prognosis-of-gastroenteropancreatic-neuroendocrine-neoplasms-in-a-chinese-population-a-large-retrospective-single-centre-study
#15
Meng Zhang, Ping Zhao, Xiaodan Shi, Ahong Zhao, Lianfeng Zhang, Lin Zhou
BACKGROUND: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are the most common type of neuroendocrine tumors, accounting for more than half of neuroendocrine neoplasms (NENs). We performed a retrospective study in our center to investigate the clinicopathological features, risk factors of metastasis, and prognosis of GEP-NENs in a Chinese population. METHODS: Four hundred forty patients with GEP-NENs treated at the First Affiliated Hospital of Zhengzhou University between January 2011 and March 2016 were analyzed retrospectively...
July 13, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28705007/pancreas-adenocarcinoma-novel-therapeutics
#16
Benjamin A Krantz, Kenneth H Yu, Eileen M O'Reilly
Pancreatic ductal adenocarcinoma (PDAC) is the third highest cause of cancer-related deaths in the US, and is projected to be second only to non-small cell lung cancer (NSCLC) by the 2020s. Current therapies have a modest impact on survival and median overall survival (mOS) across all stages of disease remains under a year. Over the last decade, however, great strides have been made in the understanding of PDAC pathobiology including the role of the tumor microenvironment (TME), DNA damage repair and mechanism of immunosuppression...
June 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28705004/multimodality-management-of-borderline-resectable-pancreatic-adenocarcinoma
#17
Laura R Prakash, Matthew H G Katz
Patients with borderline resectable pancreatic adenocarcinoma have primary tumors within the pancreas that involve the mesenteric vasculature to a limited degree. Their tumors are nonetheless at high-risk for a microscopically positive surgical resection margin and/or early treatment failure when pancreatectomy is performed de novo. The optimal treatment strategy for these patients has not been established; however, relatively favorable outcomes can be achieved with systemic chemotherapy and radiation therapy (RT) prior to intended resection...
June 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28704340/uptake-in-the-pancreatic-uncinate-process-on-the-111in-octreotide-scintigraphy-how-to-distinguish-physiological-from-pathological-uptake
#18
Amel Ait Boudaoud, Bruno Verges, Jean M Petit, Sopio Tatulashvili, Alexandre Cochet, Olivier Humbert
BACKGROUND: The aim of this study was to assess the relevance of physiological In-octreotide uptake in the head of pancreas and to establish its imaging features in comparison with pathological uptake in patients with neuroendocrine tumors (NET). PATIENTS AND METHODS: We retrospectively reviewed all patients that underwent In-octreotide single-photon emission tomography (SPECT) scintigraphy in our institution. Only patients with an isolated uptake in the head of the pancreas were included...
July 12, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28702871/expression-of-podoplanin-in-stromal-fibroblasts-plays-a-pivotal-role-in-the-prognosis-of-patients-with-pancreatic-cancer
#19
Kazuyoshi Hirayama, Hiroshi Kono, Yuuki Nakata, Yoshihiro Akazawa, Hiroyuki Wakana, Hisataka Fukushima, Hideki Fujii
PURPOSE: To investigate the role of podoplanin (PDPN) expression in invasive ductal carcinoma of the pancreas (IDCP) in humans. METHODS: Tumor samples were obtained from 95 patients with IDCP. Immunohistochemical staining was done to evaluate the expression of PDPN in cancer tissues. RESULTS: PDPN was detected predominantly in stromal fibroblasts, stained with α-smooth muscle actin. The cutoff value of PDPN-positive areas was calculated according to a histogram...
July 12, 2017: Surgery Today
https://www.readbyqxmd.com/read/28702166/venous-occlusion-test-applied-to-the-tributaries-of-the-superior-mesenteric-veins-of-the-pancreas-head-infiltrated-by-tumor
#20
Enio Campos Amico, José Roberto Alves, Samir Assi João, Joafran Alexandre Costa de Medeiros, Rogério Lacerda Sousa
A 64-year-old white woman presented with cholestatic jaundice, weight loss and a solid lesion in the pancreas head. At multislice computed tomography, a superior mesenteric vein (SMV) and one of it tributaries showed signs of tumor infiltration. At surgery, a venous occlusion test applied to the infiltrated tributary of the SMV showed immediate venous congestion in two-thirds of the distal small intestine. No reconstruction attempt was made due to the small size of the vessel. A biliodigestive anastomosis and lymph node biopsy was performed...
June 2017: Journal of Surgical Case Reports
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