Children and adolescents with Hodgkin lymphoma currently undergo multiple investigations including a separate PET and MRI scans during their treatment.~Investigators want to investigate if a combined PET-MRI scan could give the same information.~Children who join our study will have an extra scan twice during their treatment~Routine whole body clinical MRI will be performed according to current clinical standard of care. Axial and coronal imaging from the maxilla to proximal femurs will be performed using a combination of T1 and T2 weighted sequences, with and without gadolinium administration.
Children and adolescents with Hodgkin lymphoma currently undergo multiple investigations including a separate PET and MRI scans during their treatment.~Investigators want to investigate if a combined PET-MRI scan could give the same information.~Children who join our study will have an extra scan twice during their treatment