Abstract The Bethesda System for Reporting Thyroid Cytology (TBSRTC) was proposed in
2007 at the National Cancer Institute Thyroid Fine Needle Aspiration State of the Art and …

The data on nonmedullary thyroid tumors in the fourth edition of the World Health
Organization classification of endocrine tumors contain significant revisions. The tumors …

Aims Metastasis to the thyroid gland is a rare occurrence that may pose a diagnostic
challenge. In this study, we aimed to report the clinicopathological features, immunoprofile …

Secondary tumours to the thyroid gland are uncommon and often incidentally discovered on
imaging. Symptomatic patients often present with a neck mass. Collision tumours of …

Simple Summary To better improve the clinical diagnosis and treatment of thyroid metastatic
cancer, minimize morbidity and mortality, and improve the prognosis of patients, in this …

The thyroid is a rare site of clinically detectable tumor metastases; even though the gland is
a highly vascularized structure, the frequency of metastases in the routine practice is less …

Papillary thyroid cancer (PTC), which accounts for 85–90% of all thyroid cancers, is
generally an indolent tumor with long term survival rates> 95%. A reliable definitive …

Background Tumor-to-tumor metastasis is a rare event. Rectal cancer to primary thyroid
neoplasm metastasis is extremely rare. Herein, we reported a case of metastatic rectal …

Secondary tumors of the thyroid gland, although uncommon, can sometimes pose as
diagnostic dilemmas on fine-needle aspiration cytology, frequently mimicking primary …

Secondary tumours to the thyroid gland are uncommon with an overall prevalence of 5.9%
in autopsy studies. In recent clinical series, secondary thyroid cancer is seen in only 1.9% of …