"His tumour was totally excised along with involved skull bone and that which had invaded into the brain", he said. "Even the scalp vessels had become tortuous and dilated", said Nadkarni. Examination revealed a tumour measuring 30 x 30 x 20 cm, shocking the living daylights out of the medical staff at the hospital, who had never seen such a large one before. He hopes that he would gradually regain his eyesight.
The tumor had been growing on Pal for the past three years but it grew rapidly over the past year.
"It was an extremely daunting and complex surgery", the hospital's head of neurosurgery Trimurti Nadkarni told AFP. The mass was clinging to the back of Pal's head; his skull and hair grew over the top of it. "The part of the tumor within the skull was removed by making an opening in the skull", Nadkarni said. They added that if it had continued, it could have resulted in full paralysis and neurological damage.
Pal's wife, Manju, told the Hindu that the couple consulted several doctors in Uttar Pradesh but were told that the tumour was inoperable.
According to a reportby the BBC, the news of the surgery was not made public immediately because the doctors were unsure of its success.
Pal needed a transfusion of 11 units of blood and then spent three days on life support afterwards but has since made a good recovery.
"We have checked all the available medical texts", Nadkarni said. "Before the surgery, he had minimal vision, which may improve now", Nadkarni said.
The surgeons say it far outweighed the previous biggest brain tumour at 1.4kg (3.1lbs). "The weight of a similar case reported earlier was 1.4 kgs", he said.
Santlal Pal, 31, was brought to Mumbai after several hospitals refused to admit him because they deemed the surgery too risky.