Vic hospital thief took 'genital selfies'

Staff are under suspicion after "genital selfies" were left on a Melbourne hospital worker's phone during a burglary.

The apparently snap-happy offender entered a locked Royal Melbourne Hospital staffroom during a recent night shift, opened a young female employee's locker and grabbed $80.

Her mobile phone was also missing but had reappeared in her bag by the time she finished her shift.

It contained a rude shock - genital photographs.

Lord Mayor Robert Doyle, who is also chairman of Melbourne Health, said on Thursday the "very nasty" incident wasn't a break-in and authorities believed a staff member responsible.

The locker room was accessed via swipe-entry only, with cameras positioned outside, he said.

"We do have certain information that we have now passed to the police and we are absolutely confident that we will get to the bottom of this," Mr Doyle told Fairfax radio on Thursday.

"I just feel so much for her, and it's just an awful, awful incident.

"It just beggars belief that this sort of thing can be done."

It hasn't been said whether the lewd images depicted a male or female offender.