Endocrine Abstracts

Introduction: Parathyroid cyst is a very rare abnormality, representing 0.6% of all thyroid and parathyroid lesions. The diagnosis can be made on the basis of sonography and analysis of aspirated cystic fluid for parathyroid hormone. Parathyroid cysts are divided in two groups: functional (associated with clinical hyperparathyroidism) and non-functional. In the case of non-functional parathyroid cysts, fine needle aspiration is the elective treatment, but for functional parath...