Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Patients with melanoma of the upper or lower extremities scheduled for SLNB;
Willing to \& able to write informed consent from the subject prior to participation;
Willing to \& capable of following study procedures;
Is older than 18 years;
Speaks and understand the Dutch language

Intolerance / hypersensitivity to iron or dextran compounds
Pregnant or lactating patients;
Patients having a pacemaker.
Patients non eligible for MRI investigation (pacemakers or other implantable devices in the chest wall and/or lower body, claustrophobic, etc.)

MR Lymphography and Magnetic Sentinel Lymph Node Biopsy in Melanoma Patients