Calcium Oxalate Kidney Stones

Kidney stones are hard masses developed in theoxalate intake, excess oxalate combines with calcium
kidney. Crystals separate from urine and get depositedto develop calcium oxalate stones. Excessive intake of
on the inner surface of kidney. These crystals slowlyfood and drink containing oxalate like leafy green
build up to form hard stones. There are several typesvegetables and brewed tea leads to calcium oxalate
of kidney stones depending on the combination ofstones. Excessive intake of Vitamin C may also lead
chemicals in the stone. Of the different types of kidneyto hyperoxaluria, increasing the chance of kidney
stones, the most common type contains calcium instones. Inflammatory bowel disease, bowel resection
combination with either oxalate or phosphate.and small bowel bypass procedures may also lead to
Formation of stones depends on the nature of urine.more absorption of oxalate by intestines.
Calcium oxalate develops in acid urine of pH less thanHypocitrauria
6.0. Different conditions that lead to the formation ofCitrate has an effect on calcium stone formation.
calcium oxalate stones are hypercalciuria,Normal levels of citrate combine with calcium and form
hyperoxaluria, hypocitrauria and hyperuricosuria.a soluble salt. This calcium citrate compound inhibits the
Hypercalciuriaformation of calcium oxalate and calcium phosphate
Hypercalciuria is a condition referred to an increase ofcrystals. Therefore, low levels of urinary citrate of
calcium in the urine. Calcium is absorbed from food inhypocitrauria increases the chance of developing
excess. This excess calcium is then excreted throughstones.
urine. This excess calcium combines with otherHyperuricosuria
chemicals to form crystals of calcium oxalate orHyperuricosuria is a condition that refers to an increase
calcium phosphate in kidneys or urinary tract.of uric acid in urine. Uric acid crystals form in urine that
Hyperoxaluriahas pH less than 5.5. Calcium crystals then combine
Hyperoxaluria is a condition referred to an increase ofwith uric acid crystals to form calcium oxalate stones.
oxalate in the urine. When there is an increase of