List 11 causes of medullary nephrocalcinosis.

1. Medullary sponge kidney
2. Renal tubular acidosis (distal type)
3. Hypercalcemia (primary hyperparathyroidism)
4. Lytic bony metastasis
5. Paraneoplastic syndrome (lung, kidney)
6. Milk-alkali syndrome
7. Sarcoidosis
8. Hypervitaminosis D
9. Nephrotoxic acute tubular necrosis
10. Tuberculosis
11. Hyperoxaluria