Doctors in China have removed 420 kidney stones from a man's body, blaming an excessive amount of tofu in his daily diet.

Doctors remove 420 kidney stones 'caused by excessive tofu' from patient in China

The operation to remove hundreds of tiny stones took doctors around two hours

The stones removed by doctors Photo: EuroPics

 

By Charlotte Middlehurst, Shanghai

10:48AM BST 09 Jun 2015

 

Doctors in China have removed 420 kidney stones from a man's body, blaming an excessive amount of tofu in his daily diet.

Mr He from Zhejiang Province in eastern China, checked into the Dongyang People's Hospital complaining of intense pain in his abdomen last month. A CT scan revealed that his left kidney was packed full of stones, most of them tiny.

Doctors operated on Friday in an agonising procedure that lasted about two hours.

Mr He said he had a history of suffering from kidney stones. Twenty years ago he had 10 stones removed using a procedure called lithotripsy, which sends shock waves to break up stones in the kidney, bladder, or ureter until they are small enough to pass in the urine.

"I have worked as a doctor for 30 years and have never seen so many stones," said Zhou Changchun, the attending surgeon, according to state newspaper Qianjiang Evening Post.

The unusually high number of stones was attributed to the high concentration of gypsum tofu, a popular local food, in Mr He's diet. The tofu contains calcium sulphate, which cannot be expelled from the body without a sufficient intake of water.

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