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Thyroid Neoplasm

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https://www.readbyqxmd.com/read/29319130/anaplastic-thyroid-carcinoma-with-rapid-thyrotoxicosis-case-report-and-the-review-of-literature
#1
Jacek Daroszewski, Katarzyna Paczkowska, Aleksandra Jawiarczyk-Przybyłowska, Marek Bolanowski, Michał Jeleń
INTRODUCTION: Anaplastic thyroid carcinoma (ATC) is one of the most aggressive human malignancies and constitutes approximately 1.6-5% of malignant neoplasms of thyroid. ATC usually presents with local symptoms due to rapidly enlarging thyroid mass, and has only seldom been reported to be a cause of thyrotoxicosis. Up to date only 9 cases of ATC presented with thyrotoxicosis have been described. CASE REPORT: We report a case of 66-year-old woman, who had had a large, euthyroid multinodular goiter for almost 50 years...
January 10, 2018: Endokrynologia Polska
https://www.readbyqxmd.com/read/29317047/histogram-analysis-of-greyscale-sonograms-to-differentiate-between-the-subtypes-of-follicular-variant-of-papillary-thyroid-cancer
#2
M-R Kwon, J H Shin, S Y Hahn, Y L Oh, J Y Kwak, E Lee, Y Lim
AIM: To evaluate the diagnostic value of histogram analysis using ultrasound (US) to differentiate between the subtypes of follicular variant of papillary thyroid carcinoma (FVPTC). MATERIALS AND METHODS: The present study included 151 patients with surgically confirmed FVPTC diagnosed between January 2014 and May 2016. Their preoperative US features were reviewed retrospectively. Histogram parameters (mean, maximum, minimum, range, root mean square, skewness, kurtosis, energy, entropy, and correlation) were obtained for each nodule...
January 6, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29302754/the-first-report-of-a-5-year-period-cancer-registry-in-greece-2009-2013-a-pathology-based-cancer-registry
#3
Eleni Patsea, Loukas Kaklamanis, Anna Batistatou
Cancer registries are essential in health care, since they allow more accurate planning of necessary health services and evaluation of programs for cancer prevention and control. The Hellenic Society of Pathology (HSP) having recognized the lack of such information in Greece has undertaken the task of a 5-year pathology-based cancer registry in Greece (2009-2013). In this study, > 95% of all pathology laboratories in the national health system hospitals and 100% of pathology laboratories in private hospitals, as well as > 80% of private pathology laboratories have contributed their data...
January 4, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29300866/diagnostic-utility-of-molecular-and-imaging-biomarkers-in-cytological-indeterminate-thyroid-nodules
#4
Elizabeth J de Koster, Lioe-Fee de Geus-Oei, Olaf M Dekkers, Ilse van Engen-van Grunsven, Jaap Hamming, Eleonora P M Corssmit, Hans Morreau, Abbey Schepers, Jan Smit, Wim J G Oyen, Dennis Vriens
Indeterminate thyroid cytology (Bethesda III and IV) corresponds to follicular-patterned benign and malignant lesions, which are particularly difficult to differentiate on cytology alone. As approximately 25% of these nodules harbor malignancy, diagnostic hemithyroidectomy is still custom. However, advanced preoperative diagnostics are rapidly evolving.This review provides an overview of additional molecular and imaging diagnostics for indeterminate thyroid nodules in a pre-operative clinical setting, including considerations regarding cost-effectiveness, availability, and feasibility of combining techniques...
January 2, 2018: Endocrine Reviews
https://www.readbyqxmd.com/read/29299168/lncrna-crnde-promotes-cell-proliferation-invasion-and-migration-by-competitively-binding-mir-384-in-papillary-thyroid-cancer
#5
Honggang Sun, Liqin He, Lan Ma, Tao Lu, Jianguo Wei, Kejie Xie, Xingmu Wang
Thyroid cancer is one of the most prevalent endocrine neoplasm. The present study examined the effects of Colorectal Neoplasia Differentially Expressed (CRNDE) on the progression of papillary thyroid cancer (PTC), and explored the underlying molecular mechanisms. Quantitative real-time PCR was used to detect CRNDE, miR-384 and pleiotrophin (PTN) mRNA expression. Western blot was used to measure PTN protein levels. Cell proliferation, cell growth, cell invasion and migration of PTC cells were determined by CCK-8, colony formation, transwell invasion and migration assays, respectively...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29299091/oncocytoma-a-differential-consideration-for-an-incidentally-detected-fdg-avid-renal-mass-on-pet-ct
#6
Christopher J Smith, Mindy X Wang, Michael Feely, Brandon Otto, Joseph R Grajo
Renal oncocytoma is a benign renal neoplasm that is often discovered incidentally and closely mimics renal cell carcinoma on common imaging modalities such as computed tomography (CT) and magnetic resonance imaging (MRI). Due to the inability to reliably distinguish between these benign and malignant lesions with imaging, both are typically treated as if they are malignant. Hypermetabolic activity of renal oncocytomas is not frequently encountered because positron emission tomography (PET) is not a standard modality for imaging primary renal tumors...
May 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29286973/a-collision-tumor-involving-a-primary-leiomyosarcoma-of-the-lower-extremity-and-a-metastatic-medullary-thyroid-carcinoma-a-case-report
#7
Daniel C Austin, Jim S Wu, Dimitrios Spentzos, Jeffrey D Goldsmith, Megan E Anderson
CASE: A 49-year-old man presented with a rapidly growing thigh mass. Histologic analyses demonstrated separate regions that were consistent with a collision tumor composed of a primary leiomyosarcoma and a metastatic medullary thyroid carcinoma. After responding to chemotherapy, the patient underwent resection of the tumor and a total thyroidectomy; he was disease-free 9 years after the diagnosis. CONCLUSION: A wide diagnostic differential and thorough histologic analysis are necessary in patients presenting with neoplasms of the extremities...
October 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29284153/role-of-ret-protein-tyrosine-kinase-inhibitors-in-the-treatment-ret-driven-thyroid-and-lung-cancers
#8
REVIEW
Robert Roskoski, Abdollah Sadeghi-Nejad
RET is a transmembrane receptor protein-tyrosine kinase that is required for the development of the nervous system and several other tissues. The mechanism of activation of RET by its glial-cell derived neurotrophic factor (GDNF) ligands differs from that of all other receptor protein-tyrosine kinases owing to the requirement for additional GDNF family receptor-α (GFRα) co-receptors (GFRα1/2/3/4). RET point mutations have been reported in multiple endocrine neoplasia (MEN2A, MEN2B) and medullary thyroid carcinoma...
December 25, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29279300/no-evidence-of-increase-in-calcitonin-concentrations-or-development-of-c-cell-malignancy-in-response-to-liraglutide-for-up-to-5-years-in-the-leader-trial
#9
Laszlo Hegedüs, Steven I Sherman, R Michael Tuttle, Bernt J von Scholten, Søren Rasmussen, Julie D Karsbøl, Gilbert H Daniels
OBJECTIVE: To describe the changes in serum levels of calcitonin in liraglutide- and placebo-treated patients in the Liraglutide Effect and Action in Diabetes: Evaluation of Cardiovascular Outcome Results (LEADER) trial over a 3.5-5-year period. RESEARCH DESIGN AND METHODS: Patients (n = 9,340) with type 2 diabetes and high risk for cardiovascular events were randomized 1:1 to liraglutide or placebo. We analyzed calcitonin levels throughout the trial, and thyroid and C-cell adverse events and neoplasms...
December 26, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29258188/preclinical-imaging-for-the-study-of-mouse-models-of-thyroid-cancer
#10
REVIEW
Adelaide Greco, Luigi Auletta, Francesca Maria Orlandella, Paola Lucia Chiara Iervolino, Michele Klain, Giuliana Salvatore, Marcello Mancini
Thyroid cancer, which represents the most common tumors among endocrine malignancies, comprises a wide range of neoplasms with different clinical aggressiveness. One of the most important challenges in research is to identify mouse models that most closely resemble human pathology; other goals include finding a way to detect markers of disease that common to humans and mice and to identify the most appropriate and least invasive therapeutic strategies for specific tumor types. Preclinical thyroid imaging includes a wide range of techniques that allow for morphological and functional characterization of thyroid disease as well as targeting and in most cases, this imaging allows quantitative analysis of the molecular pattern of the thyroid cancer...
December 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29251367/thyroid-fna-diagnostics-in-a-real-life-setting-experiences-of-the-implementation-of-the-bethesda-system-in-finland
#11
I Paajanen, S Metso, P Jaatinen, I Kholová
INTRODUCTION: The Bethesda system is widely accepted for thyroid FNA diagnostics, but has scarcely been analysed in relation to clinical background data. Our aim was to analyse the thyroid FNA diagnostic process in view of clinical data, and to assess the validity of the Bethesda system during the first year of implementation. METHODS: There were 415 thyroid FNAs taken from 363 patients during October 2011-September 2012 in the Pirkanmaa Hospital District, Finland...
December 18, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29250690/difficulty-in-positive-diagnosis-of-ascites-and-in-differential-diagnosis-of-a-pulmonary-tumor
#12
Mircea Cătălin ForŢofoiu, Dragoş Marian Popescu, Vlad Pădureanu, Aurelian Constantin Dobrinescu, Adrian Gabriel Dobrinescu, Adrian Mită, Maria Camelia Foarfă, Violeta Serenada Bălă, Anca Emanuela Muşetescu, Nina Ionovici, Maria ForŢofoiu
Ascites is the most frequent complication of cirrhosis and occurs only when the portal hypertension has already installed but ascites is caused by neoplasms, heart failure, tuberculosis, pancreatic illnesses, as well as other kind of affections. We describe the case of a 67-year-old patient, a retired person, without significant personal or familial history, nonsmoker, infrequent alcohol and coffee consumer with following chief complaints at onset: loss of appetite, weight loss, serious physical asthenia, delayed intestinal transit, diffuse abdominal pain and increase of abdominal circumference...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29243023/lef-1-is-a-sensitive-marker-of-cribriform-morular-variant-of-papillary-thyroid-carcinoma
#13
Shalini Mohindra, Hany Sakr, Charles Sturgis, Deborah J Chute
Cribriform morular variant of PTC (CMV-PTC) frequently shows activation of the CTNNB1/Wnt pathway with nuclear accumulation of beta catenin. The utility of LEF-1, also in the CTNNB1/WNT pathway, in the diagnosis of CMV-PTC has not been previously studied. LEF-1 immunohistochemistry was performed on seven CMV-PTC, 52 benign cases and 101 malignant thyroid neoplasms. LEF-1 was scored by stain intensity (0 = no nuclear stain, 1 = weak nuclear stain, less than lymphocyte and 2 = strong nuclear stain, intense as lymphocyte) and percentage of positive cells at each intensity, for a maximum total score of 200...
December 14, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29240035/acinic-cell-carcinoma-of-the-parotid-gland-in-children-and-adolescents
#14
Shifra Ash, Isaac Yaniv, Raphael Feinmesser, Osnat Konen, Meora Feinmesser
Acinic cell carcinoma of the parotid gland is a rare low-grade malignant neoplasm. Data on children are sparse. For the present study, the database of a tertiary pediatric medical center was reviewed for all patients with parotid gland acinic cell carcinoma diagnosed and treated between 2004 and 2013. Clinical, histologic, treatment, and outcome parameters were collected from the medical files. Four patients were identified, 3 female and 1 male, aged 13.5 to 18 years (median 15.7) at diagnosis. One patient had a family history of parotid tumor and 1 of hypothyroidism/hyperthyroidism...
December 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29239042/special-types-of-thyroid-carcinoma
#15
REVIEW
Zubair W Baloch, Virginia A LiVolsi
This article reviews the small percentage of thyroid tumours that are not classified as classic papillary thyroid carcinoma, follicular thyroid carcinoma, and medullary thyroid carcinoma. It includes subtypes of papillary thyroid carcinoma, including, tall-cell, hobnail/micropapillary, columnar cell, diffuse sclerosing and solid variants. Poorly differentiated carcinoma, high-grade carcinoma and anaplastic thyroid carcinoma are reviewed. Also discussed are entities that are unusual but need to be recognized as primary thyroid neoplasms, i...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239041/hereditary-and-familial-thyroid-tumours
#16
REVIEW
Julie Guilmette, Vania Nosé
The worldwide incidence of thyroid malignancies has been increasing rapidly. Sensitive imaging modalities and early detection of thyroid lesions have made thyroid cancers the most rapidly increasing cancers in the USA in 2017 (SEER Cancer Facts, 2017). Clinical awareness of potential risk factors, such as inherited thyroid cancers, has allowed earlier recognition of more vulnerable population clusters. Hereditary thyroid neoplasms arising from calcitonin-producing C cells are known as familial medullary thyroid carcinomas (FMTCs), and include well-documented syndromes such as multiple endocrine neoplasia IIA or IIB, and pure familial medullary thyroid carcinoma syndrome...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239040/molecular-pathology-of-thyroid-tumours-of-follicular-cells-a-review-of-genetic-alterations-and-their-clinicopathological-relevance
#17
REVIEW
Giorgia Acquaviva, Michela Visani, Andrea Repaci, Kerry J Rhoden, Dario de Biase, Annalisa Pession, Tallini Giovanni
Thyroid cancer is the most common endocrine malignancy. Knowledge of the molecular pathology of thyroid tumours originating from follicular cells has greatly advanced in the past several years. Common molecular alterations, such as BRAF p.V600E, RAS point mutations, and fusion oncogenes (RET-PTC being the prototypical example), have been, respectively, associated with conventional papillary carcinoma, follicular-patterned tumours (follicular adenoma, follicular carcinoma, and the follicular variant of papillary carcinoma/non-invasive follicular thyroid neoplasm with papillary-like nuclear features), and with papillary carcinomas from young patients and arising after exposure to ionising radiation, respectively...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29239036/a-user-s-guide-to-non-invasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp
#18
REVIEW
Yin P Hung, Justine A Barletta
The term non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) was recently introduced to replace a subset of follicular variant of papillary thyroid carcinoma (FVPTC). The goal of this change was to promote more conservative management of these tumours and spare patients the psychological burden of a cancer diagnosis. The histological diagnosis of NIFTP is stringent: the tumour needs to demonstrate encapsulation or circumscription, a purely follicular architecture and the presence of nuclear features of papillary thyroid carcinoma, while lacking capsular and vascular invasion, a significant component of solid growth and high-grade features (increased mitotic activity and necrosis)...
January 2018: Histopathology
https://www.readbyqxmd.com/read/29212393/-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-with-focal-spindle-cell-metaplasia
#19
Grégoire Arnoux, Marc Pusztaszeri
"Noninvasive follicular thyroid neoplasm with papillary-like nuclear features" (NIFTP) is a recent reclassification of the encapsulated follicular variant of papillary thyroid carcinoma, which is supposed to reflect its indolent clinical behavior and to prevent overtreatment of patients with this neoplasm. The diagnosis of NIFTP can only be made histologically on the surgical specimen according to specific inclusion and exclusion criteria, which requires the examination of the whole nodule and its capsule. Spindle cell proliferations, especially of follicular cell origin, arising within thyroid follicular neoplasms are very rare and may cause diagnostic difficulties...
December 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29204912/should-subcentimeter-non-invasive-encapsulated-follicular-variant-of-papillary-thyroid-carcinoma-be-included-in-the-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-category
#20
Bin Xu, Nada Farhat, Justine A Barletta, Yin P Hung, Dario de Biase, Gian Piero Casadei, Ayse Mine Onenerk, R Michael Tuttle, Benjamin R Roman, Nora Katabi, Vania Nosé, Peter Sadow, Giovanni Tallini, William C Faquin, Ronald Ghossein
OBJECTIVE: In 2016, non-invasive, well-circumscribed and encapsulated, follicular variant of papillary thyroid carcinoma (NI-EFV PTC) was reclassified as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) in order to reduce overtreatment of this indolent tumor. However, the study cohort did not include subcentimeter tumors, i.e., papillary thyroid microcarcinoma (mPTC) with NI-EFV morphology, and such lesions are still regarded and staged by most pathologists as microcarcinomas...
December 4, 2017: Endocrine
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