[Intravascular migration of a contraceptive implant].

BACKGROUND: The Implanon NXT is a commonly used contraceptive. Incorrect localization of the implant can cause complications.

CASE DESCRIPTION: A 41-year-old woman is seen in the gynaecology outpatient clinic with a request to remove a recently placed Implanon NXT because of worsening mood symptoms. The implant can't be found on physical and ultrasound examination. Duringsurgicalexplorationthe implant is not found at theinsertion site' By means of X-ray scanning the implant becomes visible around the humeral head. The implant appears to be located in the cephalic vein and is subsequently removed.

CONCLUSION: In case of a referral due to because of worsening mood symptoms after an Implanon NXT exchange, it is possible that the implant is localized incorrectly. It is recommended to use additional imaging before performing surgical exploration. Furthermore, it is important to insert the Implanon NXT according to the supplied instructions to prevent this complication.