Hypercalcemia can manifest as: Osteitis fibrosa cystica
- Cystic and hemorrhagic bone lesions due to increased osteoclastic activity.
- Most commonly involves the
- Subperiosteal bone resorption of phalanges and tooth sockets.
- Salt and pepper appearance of the skull on X-ray.
Primary Hyperparathyroidism- Causes:
- 80%- Adenoma (Right Inferior Parathyroid- most common)
- 20%- Primary Hyperplasia (All 4 Parathyroid glands are involved)
(Clear cell hyperplasia- Wasserhalle Cell Hyperplasia)
- Rare- Carcinoma
Pancreatitis due to Hypercalcemia: