List 12 causes of a focal calcification over renal shadows other than stones

1. Renal cell carcinoma (10%-20% calcify)
2. Calcied cyst
3. Infection [e.g., tuberculosis (25% calcify), histoplasmosis, XGPN]
4. Hematoma
5. Metastasis
6. Angiomyolipoma
7. Multicystic dysplastic kidney in adult(curvilinear calcification)
8. Renal artery aneurysm (ring-like)
9. Gallstone
10. Splenic artery calcification
11. Pills in gut
12. Cortical calcifications