Fig. 1From: 18F-NaF PET/CT imaging of bone formation induced by bioactive glass S53P4 after mastoid obliterationa Axial CT of the right mastoid showing a homogenous distribution of the bioactive glass S53P4 in the cavity of the middle ear and mastoid with a central hypodense area considered to represent seroma or fluid. b T2-weighted axial MRI of the same levelBack to article page