Fig. 3
From: Diagnostic accuracy of 18F–FDG PET/CT and MR imaging in patients with adenoid cystic carcinoma
ACC tumour remaining: PET/CT and MR imaging was true-positive. Patient after resection of an adenoid cystic carcinoma, now with a tumour remnant on the right root of the tongue prior to neutron therapy. The tumour mass is seen on the fused PET/CT (a) and PET image (b) with a focally increased FDG-uptake (SUVmax 14.1) and contrast-enhanced T1-weighted MR image (c) (arrow)