Monarch Disease Ontology entry MONDO_0006214 (follicular variant thyroid gland papillary carcinoma) is a nonencapsulated variant of papillary carcinoma of the thyroid gland characterized by the predominance of follicular structures. The malignant follicular cells display the nuclear features that characterize the papillary adenocarcinomas of the thyroid gland. Also known as: FVPTC.