Özet:

Papillary thyroid carcinoma is the most common type of thyroid malignancies and constitutes 1% of all malignancies. Classical papillary thyroid carcinoma is very good prognosis; but recurrence, lymph node metastasis, distant organ metastasis or mortality can develop in 10% of patients. This aggressive clinical behavior is more often seen in variants such as diffuse sclerosis, tall cell and columnar cell. Hobnail/micropapillary variant papillary thyroid carcinoma is a relatively rare, newly described variant of papillary thyroid carcinoma. There are very few publications in the literature and it is reported that the aggressive course and metastasizing potential is greater than the classic papillary thyroid carcinoma. However, their cytological properties and molecular backround are not fully understood. In this article; a patient with hobnail/micropapillary variant papillary thyroid carcinoma has been presented, and diagnostic problems and malignancy criteria have been discussed by reviewing the literature.

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