NCIt definition : A parathyroid gland tumor that shares certain morphologic characteristics with parathyroid
gland carcinomas (e.g. broad fibrous bands formation with or without hemosiderin deposition,
presence of mitotic figures) but lacks unequivocal evidence of capsular or vascular
invasion. It is considered a tumor of uncertain malignant potential. (WHO);
Neoplastic status : Uncertain Malignant Potential;