Tall Cell Variant Thyroid Gland Papillary Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A morphologic variant of papillary carcinoma of the thyroid gland characterized by the presence of tall malignant follicular cells, arranged in papillary and trabecular patterns. Necrotic changes and high mitotic activity are present.

**Synonyms:** - Tall Cell Variant Papillary Carcinoma