For qualitative analysis, the semiconductor PET identified intratumoral inhomoge-neous glucose metabolism in more detail than the HR+ in six of the eight patients. In all six of these patients, intratumoral inhomogeneity or small structures in the tumor were confirmed by MRI.
The profile curves were sharper for the semiconductor PET than for the HR+ in both brain mode and whole-body mode in all the images of the eight patients who showed abnormal uptake. Figures 2 and 3 show typical cases .
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