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https://www.readbyqxmd.com/read/28641336/suppression-of-forkhead-box-protein-o1-foxo1-transcription-factor-may-promote-adrenocortical-tumorigenesis
#1
Adam Stenman, Timothy Murtha, Reju Korah, Tobias Carling
Despite recent comprehensive genetic analyses, molecular evidence for a pathophysiological continuum linking benign adrenocortical adenoma (ACA) and highly aggressive adrenocortical carcinoma (ACC) is still elusive. Using human tumor samples and the established ACC cell line SW-13, this study investigated potential regulatory roles for FOXO transcription factors, in modulating adrenocortical tumorigenesis. Adrenocortical tumor specimens (20 ACAs, 10 ACCs, and 9 normal adrenal tissue samples) obtained from 30 patients were analyzed for ubiquitously expressed FOXO transcription factors, FOXO1 and FOXO3 using qRT-PCR and immunohistochemistry...
June 22, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28640694/assessment-of-rectal-tumors-with-shear-wave-elastography-before-surgery-comparison-with-endorectal-us
#2
Li-Da Chen, Wei Wang, Jian-Bo Xu, Jian-Hui Chen, Xin-Hua Zhang, Hui Wu, Jin-Ning Ye, Jin-Ya Liu, Zhi-Qiang Nie, Ming-De Lu, Xiao-Yan Xie
Purpose To compare the value of endorectal ultrasonography (US) with shear-wave elastography (SWE) in staging rectal tumors before surgery. Materials and Methods This prospective study was approved by the institutional review board and written informed consent was obtained. In a pilot cohort from April 2015 to January 2016, 70 patients with rectal adenocarcinomas and/or adenomas confirmed with histopathologic examination underwent both endorectal US and SWE. Tumor stiffness and three regions of reference backgrounds, as well as tumor stiffness ratios (SRs) versus these backgrounds, were analyzed...
June 21, 2017: Radiology
https://www.readbyqxmd.com/read/28636744/parathyroid-carcinoma-in-a-patient-with-three-prior-parathyroid-adenomas
#3
Michael Goldenberg, Henry Crist, Darrin V Bann
No abstract text is available yet for this article.
June 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28636624/metabolically-healthy-obesity-is-associated-with-higher-prevalence-of-colorectal-adenoma
#4
Dong Hyun Sinn, Yang Won Min, Hee Jung Son, Poong-Lyul Rhee, Seung Woon Paik, Sung Noh Hong, Geum-Youn Gwak
BACKGROUND: The risk of colorectal adenoma (CRA), an important precursor of colorectal cancer, is largely unknown among obese individuals without obesity-related metabolic abnormalities, a condition described as metabolically-healthy obese (MHO). The aim of this study was to examine the association among metabolic status, the different categories of body mass index (BMI), and CRA in a large cohort of adults. METHODS: We analyzed the association among metabolic status, BMI categories and CRA in asymptomatic adults who underwent a first-time colonoscopy as part of the comprehensive health check-up program at the Health Promotion Center of Samsung Medical Center, from January 2005 to December 2012...
2017: PloS One
https://www.readbyqxmd.com/read/28636472/benign-tumors-of-the-parotid-gland-a-retrospective-study-of-339-patients
#5
Marie Quiriny, Cécile Dekeyser, Michel Moreau, Antoine Digonnet, Esther Willemse, Laurent Vanbel, Guy Andry
AIM: Among 339 patients operated for benign tumor of the parotid gland: the recurrences and the postoperative complications rates were compared WITH those published in literature. MATERIALS AND METHODS: About 339 patients operated: 274 primarily and 65 for recurrence or residual tumor. VARIABLES: sex, age, surgical techniques, pre- or postoperative radiotherapy, histology, size and localization of the tumors, disease free intervals, recurrences and postoperative complications...
February 10, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28635168/malignant-potential-of-hepatocellular-adenoma
#6
EDITORIAL
Anne J Klompenhouwer, Jan N M IJzermans
No abstract text is available yet for this article.
July 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28634705/how-does-pregnancy-affect-the-patients-with-pituitary-adenomas-a-study-on-113-pregnancies-from-turkey
#7
Z Karaca, S Yarman, I Ozbas, P Kadioglu, M Akturk, F Kilicli, H S Dokmetas, R Colak, H Atmaca, Z Canturk, Y Altuntas, N Ozbey, N Hatipoglu, F Tanriverdi, K Unluhizarci, F Kelestimur
OBJECTIVE: Data regarding pregnancies in relation to pituitary tumors are limited. The effects of pregnancy on pituitary adenomas and the effects of adenoma itself (hormonal activity, mass effects and pituitary insufficiency) and/or treatment on the ongoing gestation and developing fetus were evaluated. METHODS: The study was a retrospective study. A questionnaire involving questions regarding medical history before index gestation, history of related pregnancy, result of index gestation and postpartum follow-up of the patients was filled by the investigator in one of the eight Referral Endocrinology Centers from Turkey...
June 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28634627/influence-of-multiple-stapler-firings-used-for-rectal-division-on-colorectal-anastomotic-leak-rate
#8
Tamara Braunschmid, Nikolaus Hartig, Lukas Baumann, Bernhard Dauser, Friedrich Herbst
BACKGROUND: Anastomotic leakage following colorectal resection remains one of the most significant complications with relevant morbidity and mortality. There is evidence that a higher number of stapler firings for rectal division can affect the leak rate in double stapling anastomosis. However, there are no data concerning compression anastomosis. We present our institutional experience addressing this issue. DESIGN: This is a retrospective review of a prospective institutional database of patients undergoing colonic and rectal resection for benign and malignant indications between January 2008 and December 2014 at the surgical department of the St...
June 20, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28634279/in-frame-seven-amino-acid-duplication-in-aip-arose-over-the-last-3000-years-disrupts-protein-interaction-stability-and-is-associated-with-gigantism
#9
Roberto Salvatori, Serban Radian, Yoan Diekmann, Donato Iacovazzo, Alessia David, Plamena Grabovska, Giorgia Grassi, Anna-Marie Bussell, Karen Stals, Astrid Weber, Richard Quinton, Elizabeth Crowne, Valentina Corazzini, Louise A Metherell, Tara Kearney, Daniel Du Plessis, Ajay Sinha, Atik Baborie, Anne-LIse Locoq, Philippe Chanson, Olaf Ansorge, Sian Ellard, Peter J Trainer, David Balding, Mark Thomas, Marta Korbonits
OBJECTIVE: Mutations in the aryl hydrocarbon receptor-interacting protein (AIP) gene are associated with pituitary adenoma, acromegaly and gigantism. Identical alleles in unrelated pedigrees could be inherited from a common ancestor or result from recurrent mutation events. DESIGN & METHODS: Observational, inferential and experimental study, including: AIP mutation testing; reconstruction of 14 AIP-region (8.3 Mbp) haplotypes; coalescent-based approximate Bayesian estimation of the time to most recent common ancestor (tMRCA) of the derived allele; forward population simulations to estimate current number of allele carriers; proposal of mutation mechanism; protein structure predictions; co-immunoprecipitation and cycloheximide chase experiments...
June 20, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28631686/-laryngeal-pleomorphic-adenoma
#10
D M Mustafaev
Pleomorphic adenomas are the most widespread epithelial tumours originating from the salivary glands. In almost 90% of the cases, they are localized in the parotid salivary glands. Pleomorphic adenomas only rarely affect the larynx. To the best of our knowledge, as many as 27 cases of laryngeal pleomorphic adenoma have thus far been described in the special literature. The present article was designed to report a case of pleomorphic adenoma in the larynx of a 76 year-old male patient. The surgical treatment of this condition proved beneficial for the patient whose condition remains uncomplicated by the relapse of the tumour during the 5 year-long postoperative follow-up...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28631277/spindle-cell-oncocytoma-of-adenohypophysis-review-of-literature-and-report-of-another-recurrent-case
#11
Akash Sali, Sridhar Epari, Chandralekha Tampi, Atul Goel
Spindle cell oncocytoma (SCO) of adenohypophysis was first described in 2002 by Roncaroli et al. as a new entity in the tumors originating from adenohypophysis. It was subsequently recognized as a distinct entity in the 2007 WHO classification of CNS tumors and retained in the current updated classification. In contrast to that suggested by the original authors, this tumor does have a potential for recurrence as first described by Kloub et al. and later with many such case reports. This tumor can be confused with other sellar tumors like pituicytomas and pituitary adenoma, both radiologically and histopathologically...
June 19, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28630589/laparoscopic-colorectal-surgery-for-colorectal-polyps-experience-of-ten-years
#12
Audrius Dulskas, Žygimantas Kuliešius, Narimantas E Samalavičius
Background. Laparoscopy or its combination with endoscopy is the next step for "difficult" polyps. The purpose of the paper was to review the outcomes of the laparoscopic approach to the management of "difficult" colorectal polyps. Materials and methods. From 2006 to 2016, 58 patients who underwent laparoscopic treatment for "difficult" polyps that could not be treated by endoscopy at the National Cancer Institute, Lithuania, were included. The demographic data, the type of surgery, length of post-operative stay, complications, and final pathology were reviewed prospectively...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28629831/extracapsular-dissection-in-the-parapharyngeal-space-benefits-and-potential-pitfalls
#13
K Mantsopoulos, S Müller, A Agaimy, M Goncalves, M Koch, W Wüst, C Bohr, H Iro
The aim of this study was to investigate the benefits and potential pitfalls of transcervical extracapsular dissection in the treatment of parotid gland tumours in the parapharyngeal space. We retrospectively evaluated the records of all patients with parapharyngeal parotid gland lesions treated between 2000 and 2015 by transcervical extracapsular dissection. Patients having revision operations and patients whose records were not complete were excluded, leaving 49 patients in the study. We found acceptable oncological and functional outcomes throughout...
June 16, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28629376/radiation-therapy-for-older-patients-with-brain-tumors
#14
REVIEW
Giuseppe Minniti, Andrea Riccardo Filippi, Mattia Falchetto Osti, Umberto Ricardi
The incidence of brain tumors in the elderly population has increased over the last few decades. Current treatment includes surgery, radiotherapy and chemotherapy, but the optimal management of older patients with brain tumors remains a matter of debate, since aggressive radiation treatments in this population may be associated with high risks of neurological toxicity and deterioration of quality of life. For such patients, a careful clinical status assessment is mandatory both for clinical decision making and for designing randomized trials to adequately evaluate the optimal combination of radiotherapy and chemotherapy...
June 19, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28628662/quantitative-analysis-of-retinal-layers-on-three-dimensional-spectral-domain-optical-coherence-tomography-for-pituitary-adenoma
#15
Min Sun, Zhiqiang Zhang, Chiyuan Ma, Suihua Chen, Xinjian Chen
PURPOSE: To quantitatively investigate the characteristics of eyes with pituitary adenoma presented by three-dimensional (3D) spectral-domain optical coherence tomography (SD-OCT) using three common indices, including thickness, optical intensity ratio, and optical intensity attenuation coefficient (OIAC). METHODS: The SD-OCT database of 38 patients with pituitary adenoma and 39 normal controls were included in the study. Quadrantal and average measurements of thickness, optical intensity ratio, and OIAC were calculated for macular retinal nerve fiber layer (mRNFL), ganglion cell layer (GCL) combined with inner plexiform layer (IPL) (GCIPL) and/or the collective ganglion cell complex (GCC)...
2017: PloS One
https://www.readbyqxmd.com/read/28627675/distinctive-crypt-shape-in-a-sessile-serrated-adenoma-polyp-distribution-of-ki67-p16ink4a-wnt5a-positive-cells-and-intraepithelial-lymphocytes
#16
Kenji Hisamatsu, Kei Noguchi, Hiroyuki Tomita, Aoi Muto, Natsumi Yamada, Kazuhiro Kobayashi, Akihiro Hirata, Tomohiro Kanayama, Ayumi Niwa, Kazuhisa Ishida, Takayuki Nakashima, Yuichiro Hatano, Natsuko Suzui, Tatsuhiko Miyazaki, Akira Hara
Serrated lesions in the colorectum are currently predominantly classified as hyperplastic polyps (HPs), sessile serrated adenomas/polyps (SSA/Ps), and traditional serrated adenomas (TSAs) according to their morphology. However, the histological morphology and the molecular changes in the serrated lesions are still unclear. We performed immunohistochemistry for Ki67, p16INK4a, and WNT5A in human HPs (n=22), SSA/Ps (n=41), and TSAs (n=19). The distribution of Ki67 and p16INK4a positive cells in TSAs was different from that in HPs and SSA/Ps...
June 15, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28626987/prolactinomas-diagnosed-in-the-postmenopausal-period-clinical-phenotype-and-outcomes
#17
Sandhya Santharam, Metaxia Tampourlou, Wiebke Arlt, John Ayuk, Neil Gittoes, Andrew Toogood, Rachel Webster, Niki Karavitaki
OBJECTIVE: Most prolactinomas in females are diagnosed during the reproductive age and the majority are microadenomas. Prolactinomas detected in the postmenopausal period are less common with limited published data on their presentation and prognosis. Our objective was to assess the presenting clinical, biochemical and imaging findings, as well as the outcomes of women diagnosed with a prolactinoma in the postmenopausal period. DESIGN AND METHODS: We undertook a retrospective cohort study of women diagnosed with prolactinoma after menopause and followed-up in a large UK pituitary center...
June 19, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28626928/predictors-for-secondary-therapy-after-surgical-resection-of-non-functioning-pituitary-adenomas
#18
Jeyakantha Ratnasingam, Nele Lenders, Benjamin Ong, Samuel Boros, Anthony W Russell, Warrick J Inder, Ken Ky Ho
CONTEXT: Factors determining recurrence of non-functioning pituitary adenomas (NFAs) that require further therapy are unclear as are post-operative follow-up imaging guidelines OBJECTIVE: To identify predictors for secondary therapy after surgical resection of NFAs and use this knowledge to inform post-operative management DESIGN AND PATIENTS: A single-centre retrospective study of surgically resected NFAs in 108 patients followed for up to 15 years. MEASUREMENTS: Serial tumour images were analysed for size, location and growth rate (GR) and tissue analysed for hormone cell type and proliferation indices with secondary treatment as outcome measure...
June 19, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28626372/acute-appendicitis-caused-by-previous-endoscopic-submucosal-dissection-for-an-adenoma-adjacent-to-the-appendiceal-orifice
#19
Ryo Kato, Keita Harada, Kei Harada, Daisuke Takei, Yuusaku Sugihara, Shiho Takashima, Toshihiro Inokuchi, Masahiro Takahara, Sakiko Hiraoka, Yasushi Omura, Wakako Oda, Hiroyuki Okada
Endoscopic submucosal dissection (ESD) is a groundbreaking treatment for tumors adjacent to the appendiceal orifice that are difficult to remove by conventional endoscopic mucosal resection, and successful cases are increasingly reported. However, little is known about the subsequent complications, especially long-term complications. A female in her early 70s with a 15-mm cecal tumor adjacent to the appendiceal orifice - discovered incidentally during a screening colonoscopy - underwent hybrid ESD of the lesion...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28626210/clinical-correspondence-to-hepatocellular-carcinoma-related-lesions-with-atypical-radiological-pattern
#20
Tokio Higaki, Yutaka Midorikawa, Yosuke Nakashima, Hisashi Nakayama, Shunichi Matsuoka, Mitsuhiko Moriyama, Masahiko Sugitani, Tadatoshi Takayama
In patients at risk of hepatocarcinogenesis, tumors are frequently detected with atypical radiological patterns related to hepatocellular carcinoma (HCC) on imaging studies. Despite their high potential for malignancy, whether to resect such lesions immediately is controversial. Based on histological findings, patients with non-enhanced tumors or enhanced tumors without washout were divided into two groups: those with tumors that should be treated containing well, moderately, and poorly differentiated HCC (Group 1), and those that can be observed containing early HCC, hepatocellular adenoma, focal nodular hyperplasia, dysplastic nodules, and regenerative nodules (Group 2), and we elucidated the clinical correspondence to these tumors...
June 18, 2017: Bioscience Trends
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