Thyroid Gland Secretory Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An invasive adenocarcinoma of the thyroid gland characterized by the presence of cells that secrete eosinophilic material. It is composed of cystic spaces, tubular structures, and solid areas. ETV6 translocations and ETV6-NTRK3 fusion are present.

**Synonyms:** - Mammary Analogue Secretory Carcinoma of Thyroid Gland - Secretory Thyroid Carcinoma of Salivary Gland-Type