نتایج جستجو برای: follicular thyroid cancer
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Thyroid cancer is one of the most common malignancies of endocrine glands, causing carcinomas, such as papillary, follicular, medullary, and anaplastic thyroid carcinomas. Due to the significance of thyroid carcinomas, identification of the main signaling pathways and the affecting mutations has been considered by researchers. Further studies on the dysregulation of oncogenes in signaling path...
Thyrotropin (TSH) is thought as a risk factor for thyroid cancer. However, the effect of serum TSH might depend on histological types of thyroid cancer. We searched for related studies including serum TSH as an exposure and thyroid cancer as a result in PUBMED, EMBASE and Chinese National Knowledge Infrastructure up to April 21, 2016. This meta-analysis included 22 articles with 53,538 particip...
UNLABELLED Iodine is a trace element that is essential for the synthesis of thyroid hormone. Both chronic iodine deficiency and iodine excess have been associated with hypertrophy and hyperplasia of follicular cells, attributed to excessive secretion of TSH. This may be associated to thyroid cancer risk, particularly in women. Experimental studies have documented thyroid cancer induction by ele...
OBJECTIVES/HYPOTHESIS To define molecular biology in clinical practice for diagnosis, surgical management, and prognostication of differentiated thyroid cancer. DATA SOURCES Ovid Medline 2006-2012 REVIEW METHODS Manuscripts with clinical correlates. RESULTS Papillary thyroid carcinomas harbor point mutations of the BRAF and RAS genes or RET/PTC rearrangements, all of which activate the mi...
BACKGROUND There is subjective disagreement regarding nuclear clearing in papillary thyroid carcinoma. In this study, using digital instruments, we were able to quantify many ambiguous pathologic features and use numeric data to express our findings. METHODS We examined 30 papillary thyroid carcinomas. For each case, we selected representative cancer cells showing clear nuclei and surrounding...
An 80-year-old woman underwent a bilateral lung resection for metastases originating from follicular thyroid cancer. The resection was performed 30 years after right hemithyroidectomy to remove the follicular adenoma. Chest X-ray revealed a 30-mm mass shadow in the right lower lung filed. Chest computed tomography revealed a 32-mm mass shadow in right lung segment 10 (S10) and a 15-mm nodular s...
Thyroid cancer is one of the most common malignancies of the endocrine system with increasing incidence. The vast majority of thyroid carcinomas derive from thyroid hormone producing follicular cells. Carcinomas of follicular origin are classified as follicular (FTCs), papillary (PTCs), partially differentiated (PDTCs) or anaplastic (ATCs) thyroid carcinomas. While FTCs and PTCs can be managed ...
A medullary thyroid carcinoma is a malignant tumor derived from the C-cells of the thyroid. Despite their distinct embryological origin, medullary thyroid carcinomas are exceptionally accompanied by a tumor derived from the follicular cells; this is defined as mixed medullary and follicular cell carcinoma. There have been controversies regarding the origin of this rare mixed thyroid carcinoma q...
Thyroid cancer with cranial metastasis in a pregnant woman is very rare. In the literature, most cases are diagnosed early from neurogenic signs or symptomatic thyroid gland. Pregnancy also contributes to a hesitation toward early surgical and medical treatments. We reported a scalp tumor in a physically healthy 37-year-old pregnant female with a follicular thyroid carcinoma (FTC) with lung, bo...
Thyroid nodules are a very frequent pathology among common population. Despite the vast majority of them are of benign origin, the incidence of thyroid cancer is currently rather rising. Although there are several risk factors of thyroid cancer and several clinical, ultrasound, biochemical and molecular diagnostic markers, the exact mechanisms of thyroid oncogenesis and the linkage between thyr...
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