<prompt> Regarding Sudecks osteodystrophy all are true except:Burning painStiffness and swellingErythematous and cyanotic discolourationSelf limiting and good prognosis  <response>: d Self limiting and good prognosis- Recovery is prolonged and painful both for patient and surgeon. 3 years usually elapse before the bones are remineralized and it is rare that full range of movements returns. 