Parathyroid cyst and hyperparathyroidism.

Area of Science:

• Endocrinology
• Surgical Pathology

Background:

• Hyperparathyroidism is often caused by adenomas or hyperplasia.
• Parathyroid cysts are rare and typically non-functional.

Observation:

• A patient presented with a parathyroid cyst associated with significantly elevated serum calcium levels.
• Preoperative biochemical analysis confirmed hypercalcemia.

Findings:

• Excision of the parathyroid cyst led to a complete normalization of calcium levels.
• Histopathological examination confirmed the cystic nature of the parathyroid tissue.

Implications:

• This case suggests parathyroid cysts can be a rare cause of primary hyperparathyroidism.
• Further literature review is needed to understand the pathophysiology and clinical significance of functioning parathyroid cysts.