see:Variants of Papillary Thyroid Carcinoma (Microcarcinoma, Tall Cell, Columnar, Follicular)

and also: Medullary Thyroid Carcinoma Pathology,Scans After Thyroidectomy

and: Thyroid nodule evaluation, Thyroidectomy and Thyroid Lobectomy, Thyroidectomy Preop Teaching

MEN 2b Multiple Endocrine Neoplasia 2b Sippels Syndrome