420 kidney stones in patient: Know symptoms before its late

By  ,  Onlymyhealth editorial team
Feb 05, 2013

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Quick Bites

  • Kidney stones are deposits of mineral and acid salts in the kidneys.
  • Unfermented soy foods such as tofu up the risk for kidney stones.
  • Pain while urinating is one of the common warning signs.
  • A diet high in sugar can also contribute to kidney stones.

Kidney stones are small hard deposits of mineral and acid salts inside the kidneys. They can cause debilitating pain in the stomach, flank or groin besides blood in the urine. Kidney stones occur when the minerals start to crystallize due to the concentrated urine.

In a recent case in China, doctors removed 420 kidney stones from a man's body. The high concentration of gypsum tofu, a popular local food in the man’s diet, was said to be the reason for unusually high number of stones. Tofu contains calcium sulphate in substantial quantity and cannot be expelled from the body without enough intake of water.




Most kidney stones are commonly formed of combination of calcium with oxalate or phosphate. Chemical compounds such as uric acid, magnesium ammonium phosphate and amino acid cysteine along with dehydration increase the risk of development of kidney stones.



Kidney stones do not show any symptoms until it moves around in the kidney or pass into the ureter. The following are the warning signs of kidney stones.

  • Nausea or vomiting
  • Pain while urinating
  • Foul smelling urine
  • Persistent urge to urinate
  • Fever or chills
  • Pain in abdominal, groin and back
  • Blood in the urine

Smaller kidney stones may go unnoticed as they may pass easily from the urine while larger stones may cause irritation by stretching the ureter when they move into the bladder. The larger stones may even block the urine flow causing excruciating pain or sometimes may remain lodged in the kidney.


kidney stones

Risk factors

The risk factors for kidney stones that you should be wary of are as follows.

Avoid sugar: A diet high in sugar can interfere with calcium and magnesium absorption. The consumption of unhealthy sugars and soda is one of the reasons behind formation of kidney stones. Moreover, sugar can cause pathological changes in your kidney, and might contribute to kidney problems such as the formation of kidney stones.

Avoid non-fermented soy: Soybeans and soy-based foods may promote kidney stones owing to the high levels of oxalates which bind with calcium in your kidney to form kidney stones. Unfermented soy foods such as soy milk, soy burgers, soy ice-cream and even tofu increase the risk for kidney stones.


Image Courtesy : Getty

Read more articles on Kidney Stones Signs and Symptoms


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