'We have emerged from a tunnel of doubt,' Claudio Bartolini, the club doctor, said.
The fracture had healed but Bartolini would not be drawn on when Gascoigne, who must have a metal plate removed from the leg, would return to action.
Lazio plan to pass the results of the tests to Gascoigne's English surgeon, John Browett, who will draw up a timetable for the player's full recovery.
The injury-prone Gascoigne has said he wanted to play competitive football before the end of the season.
Brian Deane and Tony Dorigo have been passed fit for Leeds' televised match with Leicester tonight, but the Elland Road side are still without David White and Gordon Strachan.
Leslie Kew, the former Bristol City chairman, is poised to make a takeover bid for the club he left in November when banned by the Football Association for nine months for alleged grant application irregularities. Kew's group still own 40 per cent of the club's equity and plan to increase their shareholding with an injection of capital leading, they hope, to 'a gigantic leap between Division One and Premiership status'.Reuse content