Which is the most common cause of calcium oxalate stones?: (A) Hyperparathyroidism, (B) Idiopathic Hypercalciuria, (C) Dietary intake of milk-based products, (D) Renal tubular acidosis type 1
Answer is B. Most common cause of calcium oxalate stones- Idiopathic Hypercalciuria Other causes are- Hyperuricosuria Primary hyperparathyroidism Distal renal tubular acidosis Dietary hyperoxaluria