[Prostate carcinoma and syndrome of inappropriate antidiuretic hormone secretion].

Prostate cancer is an extremely rare cause of syndrome of inappropriate antidiuretic hormone (SIADH) secretion. These tend to be aggressive tumors and SIADH can carry serious clinical consequences. A 64 years old patient was diagnosed with Gleason 4+3: 7 prostate adenocarcinoma in December 2014 and received hormonal blockade therapy.