Parathyroid Carcinoma Masking Behind Primary Hyperparathyroidism: A Case Report with Review of Literature

Parathyroid carcinoma is a rare disease. It accounts for lessthan 1% of all case of primary hyperparathyroidism and isusually not detected until the time of surgery or thereafter.Preoperative staging is not available for most patients. Hence aradical excision remains the standard management. Usuallythe disease has an indolent but slowly progressive course.Most of the patients suffer due to complications ofhypercalcemia, rather than direct tumor invasion ormetastases. The management of PC is difficult in terms ofdiagnosis, treatment and follow up. Here is a case report thatproves a diagnostic challenge to both the clinicians andpathologists and is discussed below