Nephrocalcinosis
From Radipedia
Fine parenchymal calcification in renal medulla or cotex, differentiated from calcifications in the collecting system (nephrolithiasis).
Medullary Nephrocalcinosis
- Hyperparathyroidism
- Renal tubular acidosis
- Medullary sponge kidney - favored if unilateral
- also
- Hypercalcemia / hypercaliuria
- Sarcoidosis
- Bony metastases
- Paget's disease
- Hypervitaminosis D
- Milk-alkali syndrome
- Williams syndrome
- Oxalosis (+/- completely opaque kidneys; younger age)
- Tuberculosis
Cortical Nephrocalcinosis
- Acute cortical necrosis (hypotensive episode)
- Post-partum necrosis
- Alport syndrome
- Oxalosis
- Chronic glomerulonephritis
- Chronic transplant rejection
