He has never felt pain since he was born. He bit himself for fun and ate up fingers of the left hand before parents discovered. Doctors say this is rare genetic disease with no cure.

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6-year-old little boy Li Sheng (a pseudonym), who lives in Red Cliff, from an early age suffer from abnormal, bite his fingers were raw, and will not feel pain, anti-bite more frequently because they are curious. The day before yesterday, because the finger was bitten after severe infections, Li Sheng, Wuhan Union Hospital for surgery, the left index finger was amputated half.

July 26 back to the Red Cliff, Lee son bite the hand's doing it again guilty of the thumb, forefinger and middle finger of his left hand was bitten red and swollen, hot body, high fever and body shaking, obviously already infected.

Lee to his son to a local hospital for anti-inflammatory injections. 28, Li Sheng looked anxious and refused to take a nap. The next day, Mr. Lee with Lee Sheng arrived at Wuhan Union Hospital. At this point, Li Sheng's index finger is black, half back of the hand swelling. Cut to do the drainage, pus squeezed out, fingertips only a layer of skin, which are empty.

The fingers is difficult to keep the recommended cut off, or the spread of infection the body, difficult to control. "In the doctor's suggestion, Mr. Lee agreed to the surgery.

Hand Surgery, director Chen Zhenbing, taking into account the small children, as little as possible cut-off for some. But the state of his index finger to the rest of the skin is not whether to keep the other half fingers, have to continue to observe.

Lee Sung-surgery health care workers, he was impressed by: Li Sheng was born painlessly, using only local anesthesia in the surgical, medical scissors to cut off a finger, the little guy opened his eyes fixed on the doctor's scalpel. The face is calm.

In December 2010, Lee Sung-fall in the nursery, swollen feet can not walk. Because the child does not know pain until the evening, Mr. Lee to give him a bath only to find the right hip drum Li Sheng a package sent to Wuhan to check, was diagnosed with right hip dislocation, reset, anti-inflammatory, recovery, more than one hospital months. So far, the children walk or limp.

This is an autosomal recessive genetic disease, the incidence was only a few millionths, there is no way of treatment of the disease. The family have the disease, the brothers and sisters in the number of onset, male to female ratio of 8:1. Like Mr. Li this case, if you have children, may still be the onset.