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Gastrointestinal neuroendocrine tumor

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https://www.readbyqxmd.com/read/28516311/duodenal-and-ampullary-carcinoid-tumors-size-predicts-necessity-for-lymphadenectomy
#1
Epameinondas Dogeas, John L Cameron, Cristopher L Wolfgang, Kenzo Hirose, Ralph H Hruban, Martin A Makary, Timothy A Pawlik, Michael A Choti
BACKGROUND: Unlike other neuroendocrine tumors of the gastrointestinal tract, management of duodenal and periampullary carcinoids remains controversial. We aimed to determine the metastatic potential and optimal choice of therapy for these neoplasms. METHODS: A retrospective review of all patients treated at the Johns Hopkins Hospital between 1996 and 2012 was conducted. Clinicopathologic factors associated with lymph nodal involvement and clinical outcomes were evaluated...
May 17, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28515259/novel-treatment-options-for-neuroendocrine-tumors
#2
Matthew H Kulke
Neuroendocrine tumors (NETs) are not as rare as once thought, with a current prevalence that is estimated to be higher than that of many other gastrointestinal tumors. Multiple treatment options are available for these tumors, which are categorized according to their histology and site of origin. For patients with metastatic disease, somatostatin analogues are often the initial treatment, with other options considered when these drugs fail.
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28513526/cecal-carcinoid-tumor-in-a-nigerian-man-a-case-report-and-review-of-literature
#3
O A Obateru, J A Taiwo, S Oladejo, D A Awelimobor, O O Fadaunsi, A B Olokoba
Carcinoid tumors are rare neuroendocrine tumors that have been reported in a wide range of organs but most commonly involve the gastrointestinal tract (stomach, ileum, appendix, and colon), and rarely ovary and thymus. We present a case of a 56-year-old Nigerian man with a cecal carcinoid tumor that was surgically removed. A 56-year-old Nigerian man, presented to our hospital with a year history of right-sided lower abdominal fullness, audible bowel sounds, occasional diarrhea, nausea, vomiting, and epigastric pain...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28512417/a-case-of-paraneoplastic-cushing-syndrome-presenting-as-hyperglycemic-hyperosmolar-nonketotic-syndrome
#4
Christina E Brzezniak, Nicole Vietor, Patricia E Hogan, Bryan Oronsky, Bennett Thilagar, Carolyn M Ray, Scott Caroen, Michelle Lybeck, Neil Oronsky, Corey A Carter
Carcinoid tumors are neuroendocrine tumors that mainly arise in the gastrointestinal tract, lungs, and bronchi. Bronchopulmonary carcinoids have been associated with Cushing syndrome, which results from ectopic adrenocorticotrophic hormone (ACTH) secretion. We report the case of a 65-year-old man, a colonel in the US Air Force, with metastatic bronchopulmonary carcinoid tumors treated on a clinical trial who was hospitalized for complaints of increasing thirst, polydipsia, polyuria, weakness, and visual changes...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28501471/comparison-of-endoscopic-ultrasound-guided-fine-needle-aspiration-and-pet-ct-in-preoperative-diagnosis-of-pancreatic-adenocarcinoma
#5
Jin-Ping Lai, Yong Yue, Wei Zhang, Yihua Zhou, David Frishberg, Laith H Jamil, James M Mirocha, Maha Guindi, Bonnie Balzer, Shikha Bose, Dengfeng Cao, Simon Lo, Xuemo Fan, Joanne K Rutgers
BACKGROUND: Endoscopic ultrasound guided fine needle aspiration (EUS-FNA) is the procedure of choice to investigate and sample pancreatic masses for the preoperative diagnosis of pancreatic ductal adenocarcinoma (PDAC). The role of (18)fluoro-deoxyglucose positron emission tomography/computed tomography (PET/CT) in PDAC is debated. This study evaluates the role of EUS-FNA as compared to PET/CT in the preoperative evaluation of PDAC. METHODS: Preoperative evaluation by PET/CT and EUS-FNA was performed on 25 patients with pancreatic solid lesions, who underwent a subsequent Whipple procedure or partial pancreatic resection...
April 13, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28501252/atypical-colorectal-neoplasms
#6
REVIEW
Michael G Porter, Scott M Stoeger
Primary colorectal lymphoma, carcinoids (neuroendocrine tumors), and gastrointestinal stromal tumors comprise a small subset of all colorectal cancers. Their features are unique, and their treatment varies from that of colorectal adenocarcinoma. Appropriate identification is key in the management of these tumors.
June 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/28464579/-clinical-study-on-the-relationship-between-pancreatic-fistula-and-the-degree-of-pancreatic-fibrosis-after-pancreatic-and-duodenal-resection
#7
M W Yang, Y Deng, T Huang, L D Zhang
Objective: To explore the risk factors of pancreatic fistula after pancreatoduodenectomy and its relationship with pancreatic fibrosis. Methods: Retrospective analysis was made including 408 patients who underwent pancreaticoduodenectomy from January 2013 to December 2015 in Department of Hepatobiliary Surgery of the First Affiliated Hospital of Third Military Medical University. There were 274 males and females, aging from 14 to 82 years with an average age of 54.6 years. Postoperative pathological diagnosis: 285 cases with pancreatic ductal adenocarcinoma, 81 cases with gastrointestinal tumors, 13 cases with neuroendocrine tumors, 16 cases with inflammatory changes, 8 cases with pancreatic papillary tumors, 4 cases with serous cystadenoma, 1 case with retroperitoneal liposarcoma...
May 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28449678/-18-f-fdg-pet-ct-predicts-progression-free-survival-in-patients-with-idiopathic-pulmonary-fibrosis
#8
Aurélien Justet, Astrid Laurent-Bellue, Gabriel Thabut, Arnaud Dieudonné, Marie-Pierre Debray, Raphael Borie, Michel Aubier, Rachida Lebtahi, Bruno Crestani
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a devastating disease characterized by an unpredictable course. Prognostic markers and disease activity markers are needed. The purpose of this single-center retrospective study was to evaluate the prognostic value of lung fluorodeoxyglucose ([(18)F]-FDG) uptake assessed by standardized uptake value (SUV), metabolic lung volume (MLV) and total lesion glycolysis (TLG) in patients with IPF. METHODS: We included 27 IPF patients (IPF group) and 15 patients with a gastrointestinal neuroendocrine tumor without thoracic involvement (control group)...
April 27, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28448665/trends-in-the-incidence-prevalence-and-survival-outcomes-in-patients-with-neuroendocrine-tumors-in-the-united-states
#9
Arvind Dasari, Chan Shen, Daniel Halperin, Bo Zhao, Shouhao Zhou, Ying Xu, Tina Shih, James C Yao
Importance: The incidence and prevalence of neuroendocrine tumors (NETs) are thought to be rising, but updated epidemiologic data are lacking. Objective: To explore the evolving epidemiology and investigate the effect of therapeutic advances on survival of patients with NETs. Design, Setting, and Participants: A retrospective, population-based study using nationally representative data from the Surveillance, Epidemiology, and End Results (SEER) program was conducted to evaluate 64 971 patients with NETs from 1973 to 2012...
April 27, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28423496/mtor-inhibitors-activate-perk-signaling-and-favor-viability-of-gastrointestinal-neuroendocrine-cell-lines
#10
Patricia Freis, Julien Bollard, Justine Lebeau, Patrick Massoma, Joëlle Fauvre, Cécile Vercherat, Thomas Walter, Serge Manié, Colette Roche, Jean-Yves Scoazec, Carole Ferraro-Peyret
mTOR and Unfolded Protein Response (UPR) are two signaling pathways frequently activated in cancer cells. The mTOR pathway has been shown to be up-regulated in most gastroenteropancreatic neuroendocrine tumors. In contrast, little is known about the UPR status in neoplastic neuroendocrine cells. However, these hormone-producing cells are likely to present distinctive adaptations of this pathway, as other secretory cells. We therefore analyzed the status of the three axes of UPR and their relation to mTOR pathway in two gastrointestinal neuroendocrine tumors (GI-NET) cell lines STC-1 and GluTag...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414996/a-case-of-multiple-synchronous-quadruple-cancers-of-the-stomach-sigmoid-colon-rectum-and-pancreas
#11
Atsushi Nanashima, Tetsuro Tominaga, Takashi Nonaka, Kouki Wakata, Masaki Kunizaki, Shuichi Tobinaga, Yorihisa Sumida, Shigekazu Hidaka, Naoe Kinoshita, Terumitsu Sawai, Takeshi Nagayasu
INTRODUCTION: Multiple primary neoplasms are relatively rare, but their incidence has increased because of aging and improvements in diagnostic imaging. PRESENTATION OF CASE: A 67-year-old man presented with epigastric pain. On upper gastrointestinal endoscopy, an ulcer was seen at the gastric angle, and biopsy showed moderately differentiated adenocarcinoma (AC). Colonoscopy demonstrated a 15-mm lesion in the sigmoid colon and a submucosal lesion in the lower rectum...
April 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28414765/validation-of-full-field-optical-coherence-tomography-in-distinguishing-malignant-and-benign-tissue-in-resected-pancreatic-cancer-specimens
#12
Labrinus van Manen, Paulien L Stegehuis, Arantza Fariña-Sarasqueta, Lorraine M de Haan, Jeroen Eggermont, Bert A Bonsing, Hans Morreau, Boudewijn P F Lelieveldt, Cornelis J H van de Velde, Alexander L Vahrmeijer, Jouke Dijkstra, J Sven D Mieog
BACKGROUND: Pancreatic cancer is the fourth leading cause of cancer-related mortality in the United States. The minority of patients can undergo curative-intended surgical therapy due to progressive disease stage at time of diagnosis. Nonetheless, tumor involvement of surgical margins is seen in up to 70% of resections, being a strong negative prognostic factor. Real-time intraoperative imaging modalities may aid surgeons to obtain tumor-free resection margins. Full-field optical coherence tomography (FF-OCT) is a promising diagnostic tool using high-resolution white-light interference microscopy without tissue processing...
2017: PloS One
https://www.readbyqxmd.com/read/28355962/indications-and-outcomes-from-32-consecutive-patients-for-the-treatment-of-rectal-lesions-by-transanal-minimally-invasive-surgery
#13
Luis J García-Flórez, Jorge L Otero-Díez, Ana I Encinas-Muñiz, Luis Sánchez-Domínguez
BACKGROUND: The aim of this study was to evaluate the feasibility, safety, perioperative morbidity, and short-term outcomes of the transanal minimally invasive surgery (TAMIS) technique. METHODS: This is a descriptive review of prospectively collected data from 32 consecutive patients who underwent TAMIS procedures in our colorectal unit over a 40-month period. GelPOINT Path port was used in all cases. Demographic data, indications, tumor characteristics, morbidity, and follow-up data were collected...
March 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28353005/management-and-outcome-of-children-with-neuroendocrine-tumors-of-the-appendix-in-spain-is-there-room-for-improvement
#14
P Pérez-Albert, T de Rojas, M Á Lendínez, L Illade, M García-Abos, J Alonso-Cadenas, M Andión, L Madero
PURPOSE: Neuroendocrine tumors (NETs) are, after lymphomas, the most frequent gastrointestinal tumors in children, mainly located in the appendix. Best management remains unclear, given the absence of pediatric guidelines. We present the first Spanish series of pediatric patients with NETs. PATIENTS AND METHODS: Retrospective study of all pediatric patients (<18 years) with NET treated in four oncology reference institutions in Spain between 1994 and 2015. RESULTS: Seventeen patients were included...
March 28, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28344664/current-understanding-and-approach-to-well-differentiated-lung-neuroendocrine-tumors-an-update-on-classification-and-management
#15
REVIEW
Talal Hilal
Neuroendocrine tumors (NETs) are rare neoplasms that can arise from any tissue. They are classified based on embryonic gut derivative (i.e. foregut, midgut and hindgut) with midgut tumors being the most common (e.g. gastrointestinal NET). The second most common category of NETs is that which arises from the lung. In fact, 25% of primary lung cancers are NETs, including small cell lung cancer (SCLC), which comprises 20% of all lung cancers. The remaining 5% are large cell neuroendocrine cancer (LCNEC, 3%), typical carcinoids (TCs, 1...
March 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28343336/sunitinib-induced-hypothyroidism-predicts-progression-free-survival-in-metastatic-renal-cell-carcinoma-patients
#16
Anna Buda-Nowak, Jakub Kucharz, Paulina Dumnicka, Marek Kuzniewski, Roman Maria Herman, Aneta L Zygulska, Beata Kusnierz-Cabala
Sunitinib is a tyrosine kinase inhibitor (TKI) used in treatment of metastatic renal cell carcinoma (mRCC), gastrointestinal stromal tumors and pancreatic neuroendocrine tumors. One of the most common side effects related to sunitinib is hypothyroidism. Recent trials suggest correlation between the incidence of hypothyroidism and treatment outcome in patients treated with TKI. This study evaluates whether development of hypothyroidism is a predictive marker of progression-free survival (PFS) in patients with mRCC treated with sunitinib...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28336164/expression-of-unusual-immunohistochemical-markers-in-mucinous-breast-carcinoma
#17
Rodrigo de Andrade Natal, Sophie F Derchain, Marina Pavanello, Geisilene R Paiva, Luis O Sarian, José Vassallo
BACKGROUND: Mucinous breast carcinoma is characterized by the production of variable amounts of mucin. Some studies have addressed immunohistochemical characterization of mucinous breast carcinoma using a limited set of antibodies. However, the purpose of the present study was to investigate a larger panel of markers not widely used in daily practice and to determine their pathological implications. METHODS: Forty patients diagnosed with mucinous breast carcinoma were enrolled...
April 2017: Acta Histochemica
https://www.readbyqxmd.com/read/28329738/transarterial-chemo-embolization-for-liver-metastases-in-patients-with-neuroendocrine-tumors
#18
Hiroyuki Okuyama, Masafumi Ikeda, Hideaki Takahashi, Izumi Ohno, Yusuke Hashimoto, Shuichi Mitsunaga, Yasunari Sakamoto, Shunsuke Kondo, Chigusa Morizane, Hideki Ueno, Tatsushi Kobayashi, Yasuaki Arai, Takuji Okusaka
OBJECTIVE: The aim of this study was to evaluate the safety and efficacy of transarterial (chemo)embolization [TA(C)E] for the control of liver metastasis in patients with neuroendocrine tumors (NETs). METHODS: In this retrospective study, we enrolled 43 patients with metastatic NETs who had been treated with TA(C)E between December 1999 and June 2013 at the National Cancer Center Hospital, Tokyo or the National Cancer Center Hospital East, Kashiwa. We assessed tumor response, time to treatment failure (TTF), overall survival (OS), and frequency of adverse events in these patients, and attempted to identify predictors of TTF...
March 23, 2017: Oncology
https://www.readbyqxmd.com/read/28316152/-long-term-follow-up-to-identify-the-rectal-potentially-malignant-nodules-in-female-by-digital-rectal-examination
#19
S S Wang, J Y Zhou, Z J Wang, S R Su, J Sun, R G W Sharen
Objective: To investigate the characteristics of the rectal potentially malignant nodules in female by digital rectal examination (DRE). Methods: Retrospectively, we collected the medical information and follow-up of rectal nodules cases diagnosed as benign by DRE during the health check-up in our hospital from Jan 2002 to Dec 2015. All nodules were recorded position, size, shape, hardness and mobility. Statistical analysis was performed to select the potentially malignant cases of postoperative pathological diagnosis and disappeared nodules followed up by DRE...
March 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28302003/liver-transplant-for-nonhepatocellular-carcinoma-malignancy
#20
Nihan Haberal Reyhan
Liver transplant is now an acceptable and effective treatment for specific nonhepatocellular malignancies. Worldwide, hilar cholangiocarcinoma accounts for 3% of all primary gastrointestinal malignancies and for 10% of primary hepatobiliary malignancies. For patients who have early-stage, unresectable cholangiocarcinoma, liver transplant preceded by neoadjuvant radiotherapy can result in tumor-free margins, accomplish a radical resection, and treat the underlying primary sclerosing cholangitis when present...
March 2017: Experimental and Clinical Transplantation
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