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Medullar thyroid cancer

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https://www.readbyqxmd.com/read/25052270/-diagnostic-yield-of-fine-needle-aspiration-cytology-for-the-detection-of-thyroid-cancer-in-pediatric-patients
#1
COMPARATIVE STUDY
Francisca Grob, Diego Carrillo, Alejandro Martínez-Aguayo, Pablo Zoroquain, Antonieta Solar, Irini Nicolaides, Hernán González
BACKGROUND: Despite the low frequency of thyroid nodules (TN) in children, one of every four is malignant. Fine-needle aspiration cytology (FNAC) has a high accuracy detecting thyroid cancer. AIM: To evaluate the performance of FNAC in TN in Chilean children to detect thyroid cancer. PATIENTS AND METHODS: The pathological reports of 77 thyroidectomies and 103 FNAC carried out in patients aged less than 18 years, between 2002 and 2013 were reviewed...
March 2014: Revista Médica de Chile
https://www.readbyqxmd.com/read/24794415/thyroid-carcinoma-surgery-in-children-and-adolescents-15-years-experience-surgery-of-pediatric-thyroid-carcinoma
#2
Jaromír Astl, Martin Chovanec, Petr Lukeš, Rami Katra, Marcela Dvořáková, Petr Vlček, Pavla Sýkorová, Jan Betka
OBJECTIVES: The purpose of this study is to evaluate the characteristics of thyroid gland surgery focusing on malignancies at the pediatric age with the main concern on treatment results and complications in extensive primary treatment. METHODS: The records of all patients 18 years and younger with surgically treated thyroid diseases in the Prague Hospital, Motol, between 1991 and 2006 were retrospectively reviewed. RESULTS: Thyroid surgery was performed on 148 pediatric patients (including 56 carcinomas)...
July 2014: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/23763764/-radiation-therapy-in-thyroid-cancer
#3
REVIEW
X S Sun, N Guevara, N Fakhry, S-R Sun, P-Y Marcy, J Santini, J-F Bosset, J Thariat
Anaplastic thyroid cancers represent 1-2% of all thyroid tumours and are of very poor prognosis even with multimodality treatment including external beam radiation therapy. Conversely, differentiated thyroid carcinomas (at least 80% of thyroid cancers) hamper good prognosis with surgery with or without radioiodine and there is hardly any room for external beam radiation therapy. Insular and medullar carcinomas have intermediary prognosis and are rarely irradiated. We aimed to update recommendations for external beam irradiation in these different clinical situations and put in light the benefits of new irradiations techniques...
June 2013: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/23581419/analysis-of-pheochromocytomas-paragangliomas-from-eastern-slovakia
#4
MULTICENTER STUDY
M Felsoci, I Lazurova, H Wagnerova, M Svajdler
This multi centre observational cohort study gives a view about the occurrence, clinical and laboratory presentation, localization, histological type and genetic background of pheochromocytoma (PHEO) and paraganglioma (PGL) in Eastern Slovakia. It included 28 patients (18 women + 10 men), of which 23 were diagnosed to have PHEO (82,1%) and 7 patients (25%) suffered from PGL with retroperitoneal, inguinal/pelvic and mediastinal distribution. Arterial hypertension was the major symptom present in 86 % with slight dominance of paroxysmal form (58%)...
2013: Neoplasma
https://www.readbyqxmd.com/read/23132514/the-epidemiology-of-thyroid-cancer-in-the-czech-republic-in-comparison-with-other-countries
#5
Jindrich Lukas, Jiri Drabek, David Lukas, Ladislav Dusek, Jiri Gatek
BACKGROUND: Thyroid cancer includes a broad spectrum of tumours with different prognoses. The global incidence has been increasing in recent years. Variables affecting its etiology are dietary, especially iodine intake and to a lesser extent selenium, environmental, like - ionizing radiation and, increased TSH level. These factors interplay with epigenetic and genetic changes within the cell. This review article presents thyroid cancer epidemiology, describes its main characteristics and the influence of environmental and lifestyle risk factors in the Czech Republic in comparison with other countries...
September 2013: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/21879469/the-association-between-thyroid-malignancy-and-chronic-lymphocytic-thyroiditis-should-it-alter-the-surgical-approach
#6
Oktay Büyükaşık, Ahmet Oğuz Hasdemir, Erol Yalçın, Bahadır Celep, Serkan Sengül, Kemal Yandakçı, Gündüz Tunç, Tevfik Küçükpınar, Seval Alkoy, Cavit Cöl
BACKGROUND: The relation between thyroid neoplasms and chronic lymphocytic thyroiditis (CLT) is controversial. While it is accepted that focal lymphocytic thyroiditis develops secondarily to malignancy, it is not clear whether diffuse lymphocytic thyroiditis has a tendency to develop into thyroid cancer. The aim of this study was to investigate the relation between CLT and malignant tumours of the thyroid and evaluate the surgical approach to CLT cases. MATERIAL AND METHODS: In this study, 917 patients operated on for thyroid diseases were investigated retrospectively...
2011: Endokrynologia Polska
https://www.readbyqxmd.com/read/21682184/epidemiology-and-histology-of-malignant-thyroid-nodules-in-north-east-region-of-romania-moldavia-before-and-after-alimentary-salt-universal-iodination
#7
COMPARATIVE STUDY
C Buzduga, Voichiţa Mogoş, Corina Găleşanu, Carmen Vulpoi, M Ungureanu, C Cristea, Cristina Preda, D Ciobanu, D Ferariu, Niculina Florea, E Zbranca
UNLABELLED: Research on the relationship between iodine exposure and thyroid cancer risk is limited and the findings are inconclusive. OBJECTIVES: Given this molecular data on iodine we decided to evaluate the changes of incidence and histology of thyroid cancer in the North-Eastern region of Romania (Moldavia) after the government decision from 2004 that introduced the universal iodination of alimentary salt. After this decision values of urinary iodine increased from 50 microg/L (2001-2002) to 117 microg/L (2006 -2008)...
January 2011: Revista Medico-chirurgicală̆ a Societă̆ţ̜ii de Medici ş̧i Naturaliş̧ti Din Iaş̧i
https://www.readbyqxmd.com/read/21454178/-current-questions-of-thyroid-diseases-in-childhood
#8
REVIEW
István Ilyés
In recent years our knowledge on thyroid diseases in childhood has been increased. Several forms of congenital hypothyroidism (dysgenesis, dyshormongenesis, thyrotropin resistance and some central forms) are consequences of gene mutations. Maternal hypothyroxinemia due to severe iodine deficiency leads to early neurological damage and congenital hypothyroidism. Neonatal screening of congenital hypothyroidism and early treatment with l-thyroxin ensure good prognosis. Differential diagnosis of the various forms of congenital hypothyroidism in newborns is not an easy task...
April 17, 2011: Orvosi Hetilap
https://www.readbyqxmd.com/read/20556675/-thyroid-cancers-in-madagascar
#9
A H N Rakotoarisoa, S A Ralamboson, R A Rakotoarivelo, C V Raharisolo, A Rakouth, A L Ramiandrasoa, N M R Andrianjafinala, N S Randrianjafisamindrakotroka, R D Gizy
This is a retrospective study, conducted on thyroid cancer observed for 13 months (from June 1(st) 2004 to June 30(th) 2005). Data were collected from four main surgical pathology laboratories in Antananarivo, Madagascar. Among 6,036 surgical samples, 179 were of thyroid gland, a rate that is near 3% of the total. Among them were found 40 cases of thyroid cancer, which is 0.66% of all screened samples, and 22.32% of all examined thyroid samples. In the studied population was observed a female preponderance (82%) with a mean age of 43...
October 2010: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/20013610/new-mutations-in-the-ret-protooncogene-l881v-associated-with-medullary-thyroid-carcinoma-and-r770q-in-a-patient-with-mixed-medullar-follicular-thyroid-tumour
#10
K Frank-Raue, J Döhring, G Scheumann, S Rondot, A Lorenz, E Schulze, H Dralle, F Raue, G Leidig-Bruckner
UNLABELLED: Clinical studies are needed to classify rare and novel RET mutations associated with hereditary medullary thyroid carcinoma (MTC) into one of the clinical risk groups. Here we describe two new RET mutations/variants, R770Q and L881V, in patients with MTC and analyzed genotype-phenotype correlations associated with these RET mutations in the gene carriers. FAMILY 1: Calcitonin screening in a 42-year-old female patient with multinodular goiter showed elevated levels. RET mutation analysis revealed a new variant in exon 13 R770Q (CGA>CAA) in the patient...
August 2010: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/19467826/-anaesthesia-for-endocrine-tumor-removal
#11
REVIEW
V Billard, M Cheikh, S Delaporte-Cerceau, M-L Raffin-Sanson
Endocrine tumors could be defined by their ability to produce structural proteins or hormones common to nervous and endocrine cells. They might induce physiological transforms or outcome adverse events which should be well known in order to prevent or treat them early. The goal of this review was to describe these changes, to describe preoperative assessment, and to discuss intraoperative monitoring and drugs choice based on the literature from the last 30 years. As an example, it should be noticed that: (1) preoperative blood pressure control is essential to prepare phaeochromocytoma for surgery...
June 2009: Annales Françaises D'anesthèsie et de Rèanimation
https://www.readbyqxmd.com/read/18796379/chyle-fistula-in-right-cervical-area-after-thyroid-surgery
#12
Pablo Priego Jiménez, Mariá Vicenta Collado Guirao, Roberto Rojo Blanco, Raquel Grajal Marino, Gloria Rodríguez Velasco, Augusto García Villanueva
Thoracic duct injury is an infrequent (1-2.5%) but severe complication after neck surgery, leading to nutritional, metabolic and immunologic deficiencies. We report a case of a 34-year-old woman with a right thoracic duct injury after surgery of a thyroid medullar cancer effectively treated with conservative management (parenteral nutrition and intravenous somatostatin). Optimal treatment of these patients is unclear, without a clear limit between conservative and surgical treatment.
September 2008: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/18430896/regulation-of-tumor-necrosis-factor-related-apoptosis-inducing-ligand-induced-apoptosis-by-dj-1-in-thyroid-cancer-cells
#13
Hai-Yan Zhang, Hua-Qin Wang, Hai-Mei Liu, Yifu Guan, Zhen-Xian Du
DJ-1, a cancer-associated protein protects cells from multiple toxic stresses. The expression of DJ-1 and its influence on thyroid cancer cell death has not been investigated so far. We analyzed DJ-1 expression in human thyroid carcinoma cell lines and the effect of DJ-1 on tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis. DJ-1 was expressed in human thyroid carcinoma cell lines; small interfering RNA-mediated downregulation of its levels significantly sensitized thyroid carcinoma cells to TRAIL-induced apoptosis, whereas the forced exogenous expression of DJ-1 significantly suppressed cell death induced by TRAIL...
June 2008: Endocrine-related Cancer
https://www.readbyqxmd.com/read/18427531/-surgical-diseases-of-thyroid-gland
#14
A Dimov, R Petkov, A Atanasov, N Popov, A Kekhaĭov, E Lefterov
Medical reports of 8,768 patients with various diseases of thyroid gland were analyzed. There were 1,563 (17.8) male and 7,201 (82.2%) female patients aged 6 to 86 years. One-nodular goiter was diagnosed at 13.85% patients, multinodular goiter - at 67.2%, diffuse toxic goiter - at 5.85%, thyreotoxic adenoma - at 4.91%, Hashimoto's thyroiditis - at 8.16% patients. Thyroid cancer was revealed at 1.56 patients with nodular goiter, at 8.45% - with multinodular goiter, at 2.72% - with diffuse toxic goiter, at 3...
2008: Khirurgiia
https://www.readbyqxmd.com/read/18020300/-surgical-aspects-of-radicalism-in-the-treatment-of-the-thyroid-gland-cancer
#15
Iu M Sterniuk, B Niederle
The results of surgical treatment of 149 patients, suffering differentiated cancer of the thyroid gland (CTG) and 89--with medullar pathology were analyzed. In differentiated CTG the recurrence after performance of subtotal resection of the organ had occurred in (41.2 +/- 12.3)% observations, after thyroidectomy performance without cervical lymph nodes (LN) dissection--in (31.1 +/- 5.9)%, after thyroidectomy with LN dissection--in (11.3 +/- 3.8)%. The operation radicalism for differentiated CTG secures, as minimum, by application of thyroidectomy with central LN dissection...
July 2007: Klinichna Khirurhiia
https://www.readbyqxmd.com/read/16997431/-medullar-cancer-of-the-thyroid-associated-with-dermal-mucinosis
#16
C Fery-Blanco, F Pelletier, P Humbert, F Aubin
INTRODUCTION: Dermal mucinosis can be associated with numerous pathologies, in particular involving the thyroid, but has never been described in the case of a medullar cancer of the thyroid (MCT). CASE-REPORT: A 69-year-old man consulted for a facial erythrosis, which had been developing for a few weeks without any identified triggering factor. The skin biopsy showed dermal mucinosis and tests revealed a sporadic medullar cancer of the thyroid with secondary bone, ganglion and medullar localizations...
December 2006: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/16928683/structure-and-chemical-inhibition-of-the-ret-tyrosine-kinase-domain
#17
Phillip P Knowles, Judith Murray-Rust, Svend Kjaer, Rizaldy P Scott, Sarah Hanrahan, Massimo Santoro, Carlos F Ibáñez, Neil Q McDonald
The RET proto-oncogene encodes a receptor tyrosine kinase for the glial cell line-derived neurotrophic factor family of ligands. Loss-of-function mutations in RET are implicated in Hirschsprung disease, whereas activating mutations in RET are found in human cancers, including familial medullar thyroid carcinoma and multiple endocrine neoplasias 2A and 2B. We report here the biochemical characterization of the human RET tyrosine kinase domain and the structure determination of the non-phosphorylated and phosphorylated forms...
November 3, 2006: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/16821210/-analysis-of-morphology-of-adrenal-pheochromocytoma-as-regards-their-potential-malignancy
#18
Maciej Kajor, Jacek Ziaja, Dariusz Lange, Robert Król, Monika Ciupińska-Kajor, Maria Turska-d'Amico, Bogusław Maka, Lech Cierpka
BACKGROUND: Adrenal pheochromocytoma are diagnosed the most often in patients with arterial hypertension or with thyroid medullar cancer and suspicion of MEN II syndromes. The aim of the study is to analyse the morphology of pheochromocytomas on the basis of Pheochromocytoma of the Adrenal Gland Scaled Score (PASS) in order to estimate their potential malignancy. MATERIAL AND METHODS: Forty tumours were subjected to analysis. Mean patients age was 45.2+/-13.4 years...
November 2005: Endokrynologia Polska
https://www.readbyqxmd.com/read/16791383/-intramedullary-spinal-cord-metastasis-from-thyorid-carcioma-case-report
#19
Maurus Marques de Almeida Holanda, Emerson Magno Fernandes de Andrade, José Alberto Gonçalves da Silva
We report a case of intramedullary spinal cord metastasis from thyroid cancer in a 70-year-old woman complaining for three months an intense cervical pain, without motor or sensitive deficits. Six months before the onset of symptoms, the patient underwent total thyroidectomy for a thyroid cancer. Magnetic resonance imaging with gadolinium enhancement showed an intramedullary spinal cord lesion. A partial resection of the medullar tumor was performed and the pathological findings showed an metastatic adenocarcinoma...
June 2006: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/15611824/-biological-markers-in-thyroid-tumors
#20
REVIEW
Sílvia E Matsuo, Luciane Martins, Suzana G Leoni, Denise Hajjar, Júlio Cézar M Ricarte-Filho, Kátia N Ebina, Edna T Kimura
Thyroid tumors originate from two cell types: 1) medullar carcinoma from parafolicullar cells and 2) the tumors derived from follicular epithelial cells, which include multinodular goiter, adenomas, differentiated carcinomas (papillary and follicular carcinoma) and undifferentiated carcinoma (anaplastic carcinoma). Because of the tumors distinct biological behavior, there is a requirement for a specific therapeutic approach. Some thyroid cancer specific mutations have been identified using molecular biology and more recently, genomic methodology...
February 2004: Arquivos Brasileiros de Endocrinologia e Metabologia
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