نتایج جستجو برای: dedifferentiated papillary thyroid carcinoma

تعداد نتایج: 462411  

Journal: :Cancer research 2001
H Shimura H Suzuki A Miyazaki F Furuya K Ohta K Haraguchi T Endo T Onaya

Gene therapy with thyroglobulin (TG) promoter and a prodrug/suicide gene combination may prove useful as a treatment for thyroid carcinoma. However, most poorly differentiated and anaplastic thyroid carcinomas have lost the ability to express the TG gene expression accompanied by loss of transcription factors [thyroid transcription factor-1 (TTF-1), TTF-2, or Pax-8] interacting with the TG prom...

2014
Gema Bruixola Ángel Segura Javier Caballero Ana Andrés Encarnación Reche Corina Escoín Roberto Díaz-Beveridge

BACKGROUND Cardiac metastases from papillary thyroid carcinoma are very uncommon. Their incidence is rising due to improvements in survival and diagnosis; nevertheless, our patient is the fourth case reported up to date. There are no clinical trials available in this scenario. Therefore, treatment choice is made based on clinical experience and case reports; notably, the largest case report ser...

2013
Zaina Adnan Eldad Arad James Dana Yaakov Shendler Elzbieta Baron

UNLABELLED INTRODUCTION Papillary thyroid microcarcinoma has been demonstrated to present in association with medullary thyroid carcinoma, however, medullary thyroid carcinoma and papillary thyroid carcinoma represent rare entities. In recent years this rarity has been increasingly observed. The pathogenesis is still controversial. Genetic analysis of RET proto-oncogenes in cases of simultan...

2014
AJE Nahar Rahman

Introduction apillary carcinoma of thyroid is a common thyroid malignancy and most common endocrine neoplasia in those countries where iodine is sufficient or excess in their diet. Female are affected more commonly than male. Mean age of initial diagnosis of papillary carcinoma is 40 years. In case of children 90% of thyroid malignancy is papillary carcinoma. Papillary carcinoma of thyroid has ...

Journal: :Human pathology 2011
Robert Anthony Smith Ali Salajegheh Stephen Weinstein Mohammad Nassiri Alfred King-Yin Lam

Mutation of the BRAF gene is common in thyroid cancer. Follicular variant of papillary thyroid carcinoma is a variant of papillary thyroid carcinoma that has created continuous diagnostic controversies among pathologists. The aims of this study are to (1) investigate whether follicular variant of papillary thyroid carcinoma has a different pattern of BRAF mutation than conventional papillary th...

Journal: :international journal of endocrinology and metabolism 0
nunzia brusca department of medico-surgical sciences and biotechnologies, “sapienza” university of rome, latina, italy susanna carlotta del duca department of medico-surgical sciences and biotechnologies, “sapienza” university of rome, latina, italy rita salvatori department of nuclear medicine, santa maria goretti hospital, ausl latina, latina, italy antonio d’agostini department of nuclear medicine, santa maria goretti hospital, ausl latina, latina, italy pina cannas department of nuclear medicine, santa maria goretti hospital, ausl latina, latina, italy maria giulia santaguida department of medico-surgical sciences and biotechnologies, “sapienza” university of rome, latina, italy

introduction struma ovarii is an ovarian teratoma, represented in more than 50% by thyroid tissue. five percent of struma ovarii cases have been proven to be malignant and, as in the thyroid gland, papillary thyroid carcinoma is the most common histotype arising in struma ovarii. because of the unusual occurrence of this tumor, its management and follow-up after pelvic surgery is still controve...

Alipasha Meysamie, Alireza Abdollahi, Mona Shahriari Shiva Dideban, Shokouh Sedghi

Background: Thyroid carcinoma is the most common malignancy of the endocrine system. Papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer, accounting for 70–90% of well-differentiated thyroid malignancies. Thyroid papillary microcarcinoma is a subtype of papillary carcinoma that included tumors with less than 10mm diameter. As a result of diagnostic methods improvement, p...

Journal: :international journal of endocrinology and metabolism 0
hiroshi takeyama department of surgery, jikei university school of medicine, tokyo, japan; department of surgery, jikei university school of medicine, 3-25-8,105-8461, tokyo, japan. tel.: +1-81-3-3433-1111, fax: +1-81-3-5472-4140 yoshinobu manome department of molecular cell biology, jikei university school of medicine, tokyo, japan kouki fujioka department of molecular cell biology, jikei university school of medicine, tokyo, japan isao tabei department of surgery, jikei university school of medicine, tokyo, japan hiroko nogi yasuo toriumi department of surgery, jikei university school of medicine, tokyo, japan

results there were 39 cases with lymph node metastasis in 59 malignant tumors, and 0 cases in 6 benign follicular type tumors. the staining scores by jt-95 of the 39 tumors with lymph node metastasis were 5+ in eight cases and 6+ in 31 cases. on the other hand, the scores of 20 malignant tumors without lymph node metastasis were < 4+ in all of the cases. in the co-cultured assay, numerous adhes...

 Background and purpose: Multinodular goiter is a benign enlargement of thyroid gland and papillary thyroid carcinoma is the most common type of thyroid cancer. Today, immunohistochemical markers can be used in diagnosis and prognosis of tumors. The aim of this study was to compare the expression of CD117 in multinodular goiter and papillary thyroid carcinoma and its association with prognostic...

ژورنال: :iranian red crescent medical journal 0
xin liu department of epidemiology and biostatistics, school of public health, jilin university, changchun, china shuang li department of epidemiology and biostatistics, school of public health, jilin university, changchun, china xuejun lin department of epidemiology and biostatistics, school of public health, jilin university, changchun, china kangkang yan department of epidemiology and biostatistics, school of public health, jilin university, changchun, china longyu zhao department of epidemiology and biostatistics, school of public health, jilin university, changchun, china qiong yu department of epidemiology and biostatistics, school of public health, jilin university, changchun, china; qiong yu, department of epidemiology and biostatistics, school of public health, jilin university, changchun, china. tel: +86-43185619451, fax: +86-43185619163

objectives the aim of this study was to explore the association between axin2 gene polymorphism and papillary thyroid carcinoma (ptc). patients and methods 106 blood samples (56 ptc patients and 50 healthy controls) were drawn from china-japan :union: hospital in jilin province, china, during october 2010 to march 2011. a case-control study was designed to examine the association between axin2 ...

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