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https://www.readbyqxmd.com/read/28821194/primary-benign-and-malignant-thyroid-neoplasms-with-signet-ring-cells-cytologic-histologic-and-molecular-features
#1
Nada A Farhat, Ayse M Onenerk, Jeffrey F Krane, Dora Dias-Santagata, Peter M Sadow, William C Faquin
Objectives: Signet ring cells (SRCs) can be seen in a variety of thyroid tumors and can pose a diagnostic pitfall on cytology. This study describes the cytologic, histomorphologic, and molecular aspects of a cohort of primary thyroid tumors with SRCs. Methods: A search was performed of the Massachusetts General Hospital and Brigham and Women's Hospital (Boston, MA) pathology archives for the keywords thyroid, signet, and signet ring features between 2000 and 2014...
September 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28820453/drinking-water-uranium-and-potential-health-effects-in-the-german-federal-state-of-bavaria
#2
Andre Banning, Mira Benfer
Mainly due to its nephrotoxic and osteotoxic potential, uranium (U) increasingly finds itself in the spotlight of environmental and health-related research. Germany decided on a binding U guideline value in drinking water of 10 µg/L, valid since 2011. It is yet widely unknown if and how public health was affected by elevated U concentrations before that. In this ecological study we summarized available drinking water U data for the German federal state of Bavaria (703 analyses in total for 553 different municipalities) at county level (for 76 out of 96 Bavarian counties, representing about 83% of Bavaria's and about 13% of Germany's total population) in terms of mean and maximum U concentration...
August 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28818671/incidence-and-risk-of-cardiotoxicity-in-cancer-patients-treated-with-targeted-therapies
#3
REVIEW
Matteo Santoni, Federico Guerra, Alessandro Conti, Alessandra Lucarelli, Silvia Rinaldi, Laura Belvederesi, Alessandro Capucci, Rossana Berardi
BACKGROUND: Cardiotoxicityis a serious side effect of molecularly targeted agents. The purpose of this study was to evaluate the incidence and Relative Risk (RR) of developing all-grade and high-grade cardiotoxicity in patients with solid tumors receiving targeted agents through a revised meta-analysis of available clinical trials. METHODS: The scientific literature regarding cardiotoxicity was extensively analyzed using MEDLINE, PubMed, Embase and Cochrane Central Register of Controlled Trials (CENTRAL)...
July 28, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28818111/estimates-of-cancer-incidence-and-mortality-in-china-2013
#4
Rongshou Zheng, Hongmei Zeng, Siwei Zhang, Wanqing Chen
INTRODUCTION: Population-based cancer registration data are collected by the National Central Cancer Registry in China every year. Cancer incident cases and cancer deaths in 2013 were analyzed. METHODS: Through the procedure of quality control, reported data from 255 registries were accepted to establish the national database for cancer estimates. Incidences and mortalities were calculated with stratification by area (urban/rural), sex (male/female), age group (0, 1-4, 5-9, 10-14 … 80-84, and 85-year-old and above), and cancer site...
August 17, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28817373/cabozantinib-as-salvage-therapy-for-patients-with-tyrosine-kinase-inhibitor-refractory-differentiated-thyroid-cancer-results-of-a-multicenter-phase-ii-international-thyroid-oncology-group-trial
#5
Maria E Cabanillas, Jonas A de Souza, Susan Geyer, Lori J Wirth, Michael E Menefee, Stephen V Liu, Komal Shah, John Wright, Manisha H Shah
Purpose Sorafenib and lenvatinib are oral multikinase inhibitors targeting vascular endothelial growth factor receptor (VEGFR) and approved for radioiodine (RAI)-refractory differentiated thyroid cancer (DTC). However, there are no approved second- or third-line therapies. MET is implicated in resistance to VEGFR inhibitors. Cabozantinib is an oral multikinase inhibitor targeting MET in addition to VEGFR and is approved for medullary thyroid cancer. In a phase I study of cabozantinib, five of eight patients with DTC previously treated with a VEGFR-targeted therapy had an objective response to cabozantinib...
August 17, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28817151/comprehensive-analysis-of-long-noncoding-rna-mrna-co-expression-patterns-in-thyroid-cancer
#6
Yaying Du, Wenfei Xia, Jinjun Zhang, Dongyi Wan, Zhifang Yang, Xingrui Li
Novel molecular-targeted treatments show great prospects for radioiodine-refractory and surgically inoperable thyroid carcinomas. While aberrations in protein-coding genes are a focus in molecular thyroid cancer medicine, the impact of oncogenes on the expression of long noncoding RNAs (lncRNAs) has been largely uncharacterized. We aimed to identify the expression patterns of lncRNAs and mRNAs in high-throughput molecular profiles of 18 papillary thyroid cancer (PTC) patients. We identified 452 mRNAs and 240 unannotated lncRNAs that were differentially expressed in PTC...
August 17, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28816539/non-operative-management-of-differentiated-thyroid-cancer-in-california-a-population-level-analysis-of-29-978-patients
#7
Eric J Kuo, James X Wu, Ning Li, Kyle A Zanocco, Michael W Yeh, Masha J Livhits
OBJECTIVE: There has been increasing interest in active surveillance of papillary thyroid microcarcinoma (mPTC). The objective of this study was to characterize the incidence and outcomes of non-operatively managed differentiated thyroid cancers (DTCs) in California. METHODS: Biopsy-proven DTCs from the California Cancer Registry (CCR) were linked to data from the California Office of Statewide Health Planning and Development (2004-2012). Low-risk tumors were defined as localized disease measuring < 4 cm without extrathyroidal extension, nodal involvement, or distant metastasis...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28811803/a-study-of-galactin-3-on-fine-needle-aspiration-as-a-diagnostic-marker-differentiating-benign-from-malignant-thyroid-neoplasm
#8
Alliya Muzafar, Mulazim Hussain Bukhari, Ihtesham Uddin Qureshi
BACKGROUND & OBJECTIVE: Thyroid nodules are very common in our setup and their diagnosis on fine needle aspiration is not easy and is a taxing affair. It is a challenge to differentiate between follicular adenoma and follicular carcinoma without histology. Our objective was to investigate the role of Galectin-3 in fine needle aspirates of thyroid nodules as a prospective diagnostic marker and consequently its ability to differentiate benign from malignant neoplasms. METHODS: The research was conducted at the department of Pathology, King Edward Medical University, in association with other teaching institutions of Lahore from June 2012 to July 2014...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#9
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28808904/measurement-of-dose-in-radionuclide-therapy-by-using-cerenkov-radiation
#10
Yao Ai, Xiaobin Tang, Diyun Shu, Wencheng Shao, Chunhui Gong, Changran Geng, Xudong Zhang, Haiyan Yu
This work aims to determine the relationship between Cerenkov photon emission and radiation dose from internal radionuclide irradiation. Water and thyroid phantoms were used to simulate the distribution of Cerenkov photon emission and dose deposition through Monte Carlo method. The relationship between Cerenkov photon emission and dose deposition was quantitatively analyzed. A neck phantom was also used to verify Cerenkov photon detection for thyroid radionuclide therapy. Results show that Cerenkov photon emission and dose deposition exhibit the same distribution pattern in water phantom, and this relative distribution relationship also existed in the thyroid phantom...
August 14, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28808756/relationship-between-18-f-fluorodeoxyglucose-accumulation-and-the-braf-v600e-mutation-in-papillary-thyroid-cancer
#11
Jae Won Chang, Ki Wan Park, Jae Hyung Heo, Seung-Nam Jung, Lihua Liu, Sung Min Kim, In Sun Kwon, Bon Seok Koo
BACKGROUND: To determine whether (18)F-fluoro-2-deoxyglucose ((18)F-FDG)-PET/CT is useful for predicting the BRAF (V600E) mutation status of a primary papillary thyroid carcinoma (PTC). METHODS: A retrospective analysis was performed in 108 patients who underwent (18)F-FDG positron emission tomography-computed tomography (PET/CT) for staging before thyroidectomy and BRAF analysis in biopsy-confirmed PTC. The maximum standardized uptake value (SUVmax) of the primary tumor was calculated according to FDG accumulation...
August 14, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28808482/the-chinese-herb-prunella-vulgaris-promotes-apoptosis-in-human-well-differentiated-thyroid-carcinoma-cells-via-the-b-cell-lymphoma-2-bcl-2-associated-x-protein-caspase-3-signaling-pathway
#12
De-Tao Yin, Mengyuan Lei, Jianhui Xu, Hongqiang Li, Yongfei Wang, Zhen Liu, Runsheng Ma, Kun Yu, Xianghua Li
Prunella vulgaris (PV), a traditional Chinese herb, has been shown to be rich in bioactive chemicals and possess anti-proliferative and pro-apoptotic effects on tumor cells. The effect of PV on human well-differentiated thyroid carcinoma (WDTC), which accounts for the majority of common endocrine malignancies, remains to be elucidated. The present study aimed to investigate the function of PV on WDTC cell lines and apoptosis-associated signaling pathway activity. Additional studies demonstrated that PV may induce apoptosis in WDTC TPC-1 and FTC-133 cell lines, using the Cell Counting Kit-8 assay...
August 2017: Oncology Letters
https://www.readbyqxmd.com/read/28807594/thyroid-hormone-receptor-beta-agonist-gc-1-inhibits-met-%C3%AE-catenin-driven-hepatocellular-cancer
#13
Elisabetta Puliga, Qian Min, Junyan Tao, Rong Zhang, Tirthadipa Pradhan-Sundd, Minakshi Poddar, Sucha Singh, Amedeo Columbano, Jinming Yu, Satdarshan P Monga
The thyromimetic agent GC-1 induces hepatocyte proliferation via Wnt/β-catenin signaling and may promoting regeneration in both acute and chronic liver insufficiencies. However, β-catenin activation particularly due to mutations in CTNNB1 is seen in a subset of hepatocellular carcinomas (HCC). Thus, it will be critical to address any effect of GC-1 on HCC growth and development, before its use can be advocated to stimulate regeneration in chronic liver diseases. In the current study, we first examine the effect of GC-1 on β-catenin-TCF4 activity in HCC cell lines harboring wild-type or mutated-CTNNB1...
August 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28807337/evaluation-of-cd43-expression-in-non-hematopoietic-malignancies
#14
Bjorn H Batdorf, Steven H Kroft, Paul R Hosking, Alexandra M Harrington, Alexander C Mackinnon, Horatiu Olteanu
OBJECTIVES: CD43 is normally expressed only on the surface of leukocytes, and is considered a sensitive and specific marker for hematologic malignancies. As such, it may have diagnostic utility in confirming hematolymphoid lineage in cases that are negative for CD45. Aberrant CD43 expression has been described in non-hematopoietic tumors, although literature data on this topic is variable and sometimes contradictory. To clarify and expand on existing literature findings, we evaluated CD43 expression by immunohistochemistry (IHC) in a large cohort (307) of non-hematopoietic neoplasms, including poorly differentiated malignancies...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807198/encapsulated-follicular-variant-of-papillary-thyroid-cancer-are-these-tumors-really-benign
#15
Zviadi Aburjania, Samuel Jang, Celina Montemayor-Garcia, Ricardo V Lloyd, David F Schneider, Rebecca S Sippel, Herbert Chen, Dawn M Elfenbein
BACKGROUND: Recent studies suggest that the encapsulated form of follicular variant of papillary thyroid cancer (eFVPTC) behaves more similarly to benign lesions and can be treated with thyroid lobectomy alone instead of total thyroidectomy. To distinguish aggressive cancers from more benign lesions more clearly, the objective of this study was to determine if the eFVPTC behaves less aggressively than the nonencapsulated variant (neFVPTC). METHODS: A prospectively collected endocrine surgery database in our institution was reviewed for all patients with FVPTC on surgical pathology from 1999 to 2012...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28807108/etiologies-and-management-of-cutaneous-flushing-malignant-causes
#16
REVIEW
Azeen Sadeghian, Hailey Rouhana, Brittany Oswald-Stumpf, Erin Boh
The second article in this 2-part continuing medical education series reviews the following malignant causes of flushing: mastocytosis, medullary thyroid carcinoma, pheochromocytoma, carcinoid tumors, gastroenteropancreatic neuroendocrine tumors, bronchogenic carcinoma, vasointestinal polypeptide secreting tumors, and renal cell carcinoma. The information provided will allow physicians to better distinguish patients who have worrisome presentations that require a more thorough investigation. Appropriate diagnostic workup and treatment options for these malignancies are reviewed...
September 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28806247/glomus-tumor-of-the-neck-detected-with-99mtc-edda-hynic-toc
#17
Neva Girotto, Tatjana Bogović-Crnčić, Svjetlana Grbac-Ivanković, Petra Valković-Zujić
A 54-year-old woman was referred to thyroid evaluation because of a lump on the left side of the neck. Ultrasound exam did not show any thyroid abnormality, but highly perfused nodule at the left common carotid artery bifurcation was found. Because of the specific location, somatostatin receptor scintigraphy with Tc EDDA HYNIC-TOC was performed, starting with perfusion images and followed with SPECT/CT imaging at 2 and 4 hours. Well-perfused nodule with intensive accumulation and no other visible pathology in the body raised suspicion of a glomus tumor, consistent with MR exam performed later...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28805135/intermittent-dosing-of-dabrafenib-and-trametinib-in-metastatic-brafv600e-mutated-papillary-thyroid-cancer-two-case-reports
#18
Paul S White, Anita Pudusseri, Stephanie L Lee, Omar Eton
BACKGROUND: A multi-institutional randomized Phase II trial of continuous dosing of dabrafenib with or without trametinib is ongoing in metastatic thyroid cancer. Preclinical evidence and emerging clinical experience in other cancers support evaluating intermittent dosing of these two agents to achieve more durable response, while being better tolerated and more cost effective. PATIENTS: Two consecutive patients with symptomatic, metastatic radioactive iodine (RAI) resistant BRAF V600E mutated papillary thyroid cancer and poor performance status were treated initially with dabrafenib 150mg twice daily plus trametinib 2mg once daily, first in continuous daily dosing, then in a five-week-on and three-week-off schedule...
August 12, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28802094/oncocytic-variant-of-medullary-thyroid-carcinoma-a-rare-tumor-with-numerous-diagnostic-mimics-by-fine-needle-aspiration
#19
Sharon B Sams, Kenneth D Tompkins, Sarah Mayson, Christopher D Raeburn, Sanjana Mehrotra
Oncocytic variant of medullary thyroid carcinoma is rare form of thyroid carcinoma that is easily misdiagnosed on fine needle aspiration specimens due to it is low incidence and cytomorphologic overlap with other more common Hurtle cell lesions. A correct initial diagnosis by fine needle aspiration is imperative as the clinical treatment for medullary carcinoma differs significantly from the mimickers. We present a case of this rare variant tumor that on initial fine needle aspiration was described as a Hurthle cell lesion and was subsequently correctly classified on the resection specimen...
August 12, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28801919/familial-associations-of-female-breast-cancer-with-other-cancers
#20
Guoqiao Zheng, Hongyao Yu, Akseli Hemminki, Asta Försti, Kristina Sundquist, Kari Hemminki
Familial risks of breast cancer (BC) are well established but whether BC clusters with other, i.e. discordant, cancers is less certain but of interest for the identification of common genetic and possible environmental factors contributing to a general cancer susceptibility. We apply a novel approach to search for familial associations of BC with other (discordant) cancers based on the Swedish Family-Cancer Database. Relative risks (RRs) were calculated for BC in families with increasing numbers of patients with discordant cancer X, and conversely, familial RRs for cancer X in families with increasing numbers of BC patients...
August 12, 2017: International Journal of Cancer. Journal International du Cancer
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