A 57-year old woman in America who was born without a thumb and a finger has managed to “grow” back the missing digits on her phantom limb.

The neurologists treated her by making us of a mirror box which reflected the woman’s left hand in order to make it look as if she had both of her hands. The woman was able to extend her short fingers and relieve the pain.
“The presence of the deformed hand was suppressing the brain's innate representation of her fingers which is why they appeared shorter, but after the hand was removed and the inhibition taken away, the innate representation kicks in again”, University of California’s Dr Paul McGeoch said.
Source-Medindia