Fig. 3From: Using 31P-MRI of hydroxyapatite for bone attenuation correction in PET-MRI: proof of concept in the rodent brainMRI and CT images acquired on the rat head in vivo. 1H anatomical MRI (a), 31P-ZTE MRI (b), fusion (c), and low resolution CT (d). The white arrow points to the skull base where 31P detection sensitivity is impairedBack to article page