Police want help to find missing SA woman

An Adelaide woman who has been missing for several weeks may be in NSW or Queensland, police say.

Tanya Cameron, 54, was last seen at Glenside on May 27 and police say efforts to find her in South Australia have been unsuccessful.

Ms Cameron, who suffers from a medical condition and had previously lived interstate, is described as Caucasian, 160cm tall with a large build, grey hair and blue eyes.