Frozen section simulation of trabecular adenoma and medullary cancer by papillary thyroid carcinoma.
نویسندگان
چکیده
Two patients are reported in whom initial misdiagnoses of medullary cancer or trabecular hyaline adenoma for papillary carcinoma were made.
منابع مشابه
[Trabecular hyalinizing adenoma of the thyroid (HAT): A report of two cases].
The hyalinizing trabecular adenoma is a rare lesion of the thyroid. There is controversy in the literature about the correct name for this disease. Dr. Carney defended the benign nature of this condition and therefore continues calling it adenoma, the World Health Organization calls for the potential of tumor malignancy, and others qualify it as a variant of papillary carcinoma based on the pre...
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Background: Fine needle aspiration (FNA) has led to a decrease in unnecessary surgeries for thyroid nodules. This study was designed to compare diagnostic value of FNA and frozen section methods in the follicular lesions. Methods: This is a cross-sectional study based on the medical records of 42 patients who were referred to surgery clinic of Rasool-e-Akram hospital in Tehran with complain...
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Argyrophilic nucleolar organizer regions (AgNORs) are loops of ribosomal DNA in the nucleolus and are associated with acidic proteins that have a high affinity for silver. In this study, the mean AgNOR counts were evaluated in specimens. Seventy three specimens were examined, including 16 normal thyroids, 19 nodular goiters, 21 follicular adenomas and 17 thyroid carcinomas (11 papillary, 4 foll...
متن کاملHyalinizing Trabecular Adenoma of Thyroid : A Rare Case Report
Introduction: Hyalinizing trabecular tumor (HTT) is an unusual thyroid neoplasm that was first described by Carney in 1987.Many cytological and histological features of such tumors may be mistaken for Papillary Thyroid Carcinoma (PTC) and Medullary Thyroid Carcinoma (MTC).This can lead to overtreatment like total thyroidectomy and lymph node dissection. Here, we present a rare case of hyalinizi...
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Thyroid cancer is a malignancy of the thyroid parenchymal cells. There are four main types of thyroid cancer: papillary thyroid cancer (PTC), follicular thyroid cancer (FTC), anaplastic thyroid carcinoma (ATC), and Medullary thyroid carcinoma (MTC). Medullary thyroid cancer (MTC) is a rare neuroendocrine tumor of the thyroid gland derived from parafollicular C-cells that produce calcitonin (CT...
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ورودعنوان ژورنال:
- Journal of clinical pathology
دوره 46 8 شماره
صفحات -
تاریخ انتشار 1993