The US surgeon who was attacked as he left the Australian Open with his son during a trip of a lifetime has revealed the extent of his injuries.

Dr Edmund Pribitkin told Nine News his face had become detached from his skull in the senseless attack, which has seen five teenagers charged as police continue to search for the culprits.

'My face was broken into pieces and separated from my skull,' Mr Pribitkin said of his ordeal.

The 52-year-old and his 17-year-old son, Edik, were approached by a group in the city’s Queen Victoria Gardens about 11:30pm on Wednesday night.

A renowned US surgeon was brutally bashed by a group of teenagers as he walked through Melbourne's Queen Victoria Gardens with his son, 17, on Wednesday

Dr Edmund Pribitkin (left) and his son Edik (right) are both avid tennis fans and had travelled from the US to Melbourne for the Australian Open

Edik said the group had initially asked for cigarettes before demanding the family's belongings and bashing his father.

After the initial blows to the face, Dr Pribitkin was hit to the ground, where he says he continued to be assaulted until people intervened to save him.

The father and son were rushed to the Alfred Hospital, where Edik spent three nights and his father, whose injuries were so bad he was placed into an induced coma, spent four.

Dr Pribitkin now has titanium plates holding his face together.

As he spoke with Nine News, dark bruising and swelling on the physician's face was evident.

Photographs taken while he was in hospital show tape on his upper nose and the sides of his eyes.

On the bridge of his nose is a splint, supported above and below his nostrils.

Dr Pribitkin had his face smashed in and was rushed to the Alfred Hospital, where he spent four nights

The 57-year-old now has titanium plates holding his face together (pictured: Dr Pribitkin's injuries five days after the attack)

As he recovered from the attack. the esteemed surgeon, who attended medical school and lived with Dr Oz, shared a poignant and positive post to his Facebook.

In the post, he thanked the police and first responders who 'literally saved my life and that of my son'.

He also thanked Tennis Australia and the International Tennis Federation, who organise of the Australian Open, for putting on 'the world's safest and friendliest slam'.

'We will return to this amazing event,' he said.

The Pribitkin family will begin their journey home to the United States on Tuesday.