A Case of Parathyroid Carcinoma Concurred with Hyperplasia: An Electron Microscopic Study

Abstract
A human case of parathyroid carcinoma is reported. The histology of the parathyroid glands disclosed carcinoma in 1 gland and chief cell hyperplasia in another. Careful exploration of all parathyroid glands is recommended. An EM feature of parathyroid carcinoma is presented.