نتایج جستجو برای: thyroid gland irradiation
تعداد نتایج: 213102 فیلتر نتایج به سال:
Thyroid scanning is performed to examine the thyroid gland disorders using 99mTc. Through the obtained images can evaluate the size of the thyroid gland, the amount of its removal compared with the salivary gland, examine the thyroid nodules and its performance impairments. According to the scan view, it is possible to differentiate between hot and cold thyroid nodules that need different thera...
conclusions high prevalence of thyroid antibodies in euthyroid patients with pcos refers to the importance of investigation for thyroid autoimmune state in those patients. objectives the aim of this study was to evaluate the prevalence and levels of thyroid antibodies in euthyroid women with pcos in syria. patients and methods this study included 56 euthyroid women with pcos and 30 healthy wome...
abnormalities of the thyroid gland are among the most frequent endocrine complications observed in childhood cancer survivors. we report an 11 years old girl who developed central hypothyroidism and acth deficiency during the chemotherapy for cns relapse of acute lymphoblastic leukemia before receiving radiotherapy. keywords: thyroid gland, hypothyroidism, chemotherapy, acute lymphoblastic leuk...
administration of a precise amount of activity in thyroid gland radioiodine (¹³¹i) therapy is of prime importance. several methods for this purpose have been suggested and used over many years. in this paper, a method for required ¹³¹i activity calculation for each case has been proposed. major factors affecting ¹³¹i calculation such as gland volume, integral dose, and prescription index have b...
Abnormalities of the thyroid gland are among the most frequent endocrine complications observed in childhood cancer survivors. We report an 11 years old girl who developed central hypothyroidism and ACTH deficiency during the chemotherapy for CNS relapse of acute lymphoblastic leukemia before receiving radiotherapy. Keywords: Thyroid gland, hypothyroidism, chemotherapy, acute lymphoblastic leu...
Background: Intraoral radiographs are believed to deliver low doses to patients, thus little work has been done in this regards. Considering the increment in the number of patients reporting for the examination and the probability of delayed somatic effects for accumulated low doses of X-irradiation, it is expedient to determine the doses to three critical organs eye, thyroid and parotid that a...
echinococcosis, although eradicated in many countries, is still widespread in communities where agriculture is dominant. cystic hydatidosis is a significant public health problem in the regions with endemic echinococcosis. the hydatid cysts tend to form in the liver or lung, but may also be found in other organs of the body such as brain, heart, and bone, while thyroid gland involvement is rath...
Background It is remain a main concern that pediatric chest radiographies contribute to the significant radiation exposure to the thyroid gland as a more susceptible organ to radiation induced cancer. The aim of this study was to evaluate the entrance surface dose (ESD) of pediatric chest radiography compared to the diagnostic reference levels (DRL) and evaluation the efficacy of the lead (Pb)...
Introduction: Critical organs and structures may receive significant amounts of irradiation even if they are not the target of radiotherapy or located outside the treatment field. Although the sensitive thyroid gland and lens are not directly the targets of treatment, they can be affected by irradiation during the treatment of tumours in head and neck region. The purpose of thi...
Long-term adverse health conditions, including secondary malignant neoplasms, are common in childhood cancer survivors. Although mortality attributable to secondary malignancies declined over the past decades, the risk for developing a solid secondary malignant neoplasm did not. Endocrine-related malignancies are among the most common secondary malignant neoplasms observed in childhood cancer s...
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