Positron emission tomography-computed tomography vs. brain magnetic resonance imaging for the detection of cerebral metastases of melanoma: a 5-year retrospective study.

Background: Patients with melanoma present a high risk of developing extracutaneous metastases. Positron emission tomography--computed tomography (PET-CT) is one of the preferred examinations for the staging of oncological patients. It is not the method of choice to detect brain metastases, but this technique has shown significant improvement and allows the detection of some of them.