Fentanyl analytics in a case of fatal misuse of tra nsdermal fentanyl

A 54-year old male (90 kg) was found in his bedroom with a fentanyl transdermal patch on his penis. Wi th low vital reactions, the dormant man was immediately br ought to hospital, where he died shortly. Systemati c toxicological analysis confirmed a fatal poisoning with f entanyl. The fentanyl concentration in blood was 35 .1 µg/L (LC-MS-MS). The presented case demonstrated the possibility of fentanyl misuse with a transdermal patc h at a place of possibel high resorption and fatal outcome . Death due to the application of fentanyl transder mal system which was patched on the penis has not been previou sly reported.