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EJNMMI Research
Fig. 2 | EJNMMI Research

Fig. 2

From: Towards standardization of 18F-FET PET imaging: do we need a consistent method of background activity assessment?

Fig. 2

Examples of the different methods of background assessment. a T1 MRI for morphological correlation. The three different methods of background activity assessment are featured using b a 2D-ROI in the contralateral hemisphere with 5 cm diameter as example (as suggested in the German guideline), c a spherical VOI with 3 cm diameter, and d a crescent-shaped VOI approach

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