نتایج جستجو برای: thyroid nodules
تعداد نتایج: 99740 فیلتر نتایج به سال:
Introduction localized thyroid enlargement with rest of the thyroid apparently normal is clinically defined as solitary nodule of thyroid. STN is seen in 4-6% of the adult individuals. Fortunately the likelihood that a single thyroid nodule is malignant is approximately 5%. Nodules decreasing in size have negligible risk of cancer and no treatment is required. However, enlarging solid nodules h...
Thyroid nodules are frequently found. Although they are often palpable, many are found incidentally during unrelated radiographic studies. Ten to 15% of thyroid nodules represents thyroid malignancy. Clinician suc as an internist/endocrinologist have to classify the nodule, stratify the risk of thyroid cancer, performed a diagnostic work-up, provide medical / non-surgical therapy, select candi...
Benign and malignant nodules in human thyroid glands, which did not concentrate iodide in vivo, were also unable to accumulate iodide in vitro. The mean thyroid-to-medium ratio (T/M) in seven benign nodules was 0.8+/-0.2 compared with 7+/-2 in adjacent normal thyroid tissue. In four malignant thyroid nodules, the mean T/M was 0.5+/-0.1 compared with 11+/-4 in adjacent normal thyroid. Despite th...
BACKGROUND Thyroid nodules have been found to be common in the population of the Marshall Islands. This has been attributed to potential exposure of radioiodines from the nuclear weapons tests on Bikini and Eniwetok between 1946 and 1958. METHODS In order to get a full picture of thyroid pathology in the Marshallese population potentially exposed to radioactive fallout we performed a large th...
BACKGROUND Patients with thyroid nodules represent common problem in daily routine of thyroidologists as well as other medical specialties. Fortunately only small number of thyroid nodules turns out to be malignant. Ultrasound is most frequently used imaging modality in the evaluation of thyroid nodules and certain ultrasonographic features are associated with greater risk for malignancy. AIM...
The non-surgical diagnosis of thyroid nodules is currently made via a fine needle aspiration (FNA) biopsy. It is estimated that somewhere between 250,000 and 300,000 thyroid FNA biopsies are performed in the United States annually. However, a large percentage (approximately 70%) of these biopsies turn out to be benign. Since the aggressive FNA management of thyroid nodules is costly, quantitati...
Thyroid nodules are common and occur in up to 50% of the adult population; however, less than 7% of thyroid nodules are malignant. High-resolution ultrasonography (US) is commonly used to evaluate the thyroid gland, but US is frequently misperceived as unhelpful for identifying features that distinguish benign from malignant nodules. Microcalcifications are one of the most specific US findings ...
BACKGROUND AND PURPOSE Incidental thyroid lesions are frequently found on contrast-enhanced magnetic resonance (CE-MR) angiography. The purpose of this study is to determine the prevalence of thyroid incidentalomas detected by CE-MR angiography and to evaluate their clinical significance by correlation with ultrasound (US) and cytopathological results. MATERIALS AND METHODS We retrospectively...
BACKGROUND AND PURPOSE Incidental thyroid nodules are commonly seen on imaging, and their work-up can ultimately lead to surgery. We describe characteristics and pathology results of imaging-detected incidental thyroid nodules that underwent surgery. MATERIALS AND METHODS A retrospective review was performed of 303 patients who underwent thyroid surgery over a 1-year period to identify patien...
Thyroid nodules are a common clinical problem and with the growing use of diagnostic imaging, the number of thyroid nodules identified and undergoing further diagnostic evaluation by fine-needle aspiration biopsy (FNA) is steadily growing. Only 5 % of all thyroid nodules harbour malignancy and thyroid cancer constitutes only 1 % of all epithelial malignancies worldwide and represents 95 % of al...
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