papillary thyroid carcinoma (ptc) is one of the most commonly diagnosed types of differentiated carcinoma of the thyroid. it is stated that lung is the most common site of metastasis followed by bone. the incidence of paranasal sinus (pns) metastasis is fairly uncommon in case of thyroid carcinoma. to the best of our knowledge, no case of metastatic ptc to nasal cavity has been reported. in thi...

introduction: considering the influence of geographical, genetic and ethnic factors on the prevalence of thyroid pathological lesions, this study was performed to assess the prevalence of pathological lesions in thyroid autopsic samples obtained from adult cadavers of isfahan forensic medical center. material and methods: in this study, 202 thyroid glands from cadavers with no evidence of thyro...

thyroglossal duct cysts are the most common form of congenital cysts on the neck. the incidence of thyroid papillary carcinoma in thyroglossal duct cyst is less than 1%. in most cases the diagnosis is made postoperatively. we present a 22-year-old female with thyroid papillary carcinoma arising from thyroglossal duct cyst,identified in pathologic study after sistrunk operation.in our case there...

background: carcinomas of the thyroid follicular epithelium are the most common cancers of the endocrine system. in the diagnosis of thyroid nodules and tumors, the gold standard is histological evaluation. in cases which have morphological overlap,immunohistochemistry is needed for differential diagnosis. the purpose of this study is to investigate the expressions of cd56,hbme?1, cytokeratin 1...

Thyroid cancer is the most common endocrine malignancy. This study surveys the pathologic characteristics of thyroid cancerin Mashhad and study of papillary carcinoma in more detail. In this retrospective study, 108 out of 197 cases of thyroid cancer were papillary in type (55%), with female to male ratio of 1.91 which is lower than current reports. The age at the time of diagnosis ranged ...

hashimoto’s thyroiditis is associated with an increased risk of developing papillary carcinoma of thyroid. we hereby report a case of hashimoto’s thyroiditis with papillary carcinoma in a 45-year-old ear old female diagnosed on fine needle aspiration cytology (fnac) which was later confirmed on histopathological examination .such an occurrence, when both lesions are picked up on fnac in a patie...

papillary carcinoma of the thyroid constitutes 80% of thyroid malignancies in adults. females are affected at least twice as often as males. it metastasizes to distant sites very rarely, but to the cervical nodes quite often. occasionally metastatic lymph node enlargement is the sole presenting feature. t.3.6.7 the tumor is slow growing and sometimes the patient has good survival even in spite ...

background: papillary thyroid carcinoma (ptc), occurs mostly in women and sex hormones may play a role in the pathogenesis and clinical course. the objective of this study was to determine the status and prevalence of estrogen and progesterone receptors in ptc with regard to age, gender, tumor size and lymph node involvement. methods: immunohistochemical stains were performed on 92 tissue block...