Nonfunctioning Parathyroid Carcinoma

Filomena Cetani^1* and Claudio Marcocci²

¹University Hospital of Pisa, Endocrine Unit 2, Pisa, Italy

²Department of Clinical and Experimental Medicine, University of Pisa, Endocrine Unit 2 Pisa, Italy

^*Corresponding Author: Filomena Cetani, University Hospital of Pisa, Endocrine Unit 2, Via Paradisa 2, 56124 Pisa, Italy, Tel: +39050995040, Fax: +39050996551 Email:

Keywords: Primary hyperparathyroidism; Calcium metabolism; Chromogranin A; PTH; Parathyroid tumorigenesis

Introduction