title: Medullary thyroid carcinoma in multiple endocrine neoplasm type II syndromes.
abstract: A case of multiple endocrine neoplasm (MEN) type IIa and 2 cases of MEN type IIb are reported. The biological behavior of medullary thyroid carcinoma was more aggressive in the MEN type IIb. C-cell hyperplasia was present in the thyroid gland of the patient with a positive family history.
authors.forename: A S
authors.initials: AS
authors.lastname: Fassina
authors.forename: A
authors.initials: A
authors.lastname: Scapinello
authors.forename: M R
authors.initials: MR
authors.lastname: Pelizzo
authors.forename: P
authors.initials: P
authors.lastname: Dall'Orto
authors.forename: G
authors.initials: G
authors.lastname: Viale
authors.forename: A
authors.initials: A
authors.lastname: Maffei Faccioli
authors.forename: V
authors.initials: V
authors.lastname: Ninfo
mesh_terms: D000293:Adolescent; D000328:Adult; D002277:Carcinoma / Q000473:pathology*; D005260:Female; D006801:Humans; D006965:Hyperplasia; D008297:Male; D009377:Multiple Endocrine Neoplasia / Q000473:pathology*; D013964:Thyroid Neoplasms / Q000473:pathology*