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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

From: Comparison of 3 γ-probes for simultaneous iodine-125-seed and technetium-99m breast cancer surgery: NEMA standard characterisation with extended processing

Fig. 2

Schematic representation of the count rate capability (Z = 10 mm), sensitivity (Z = 10, 30 and 40 mm) and spatial resolution (Z = 10, 20 and 30 mm) in a scatter medium (a), sensitivity to scatter (b) and side and back shielding (c) tests with a 99mTc source and a 125I-seed. For the sensitivity in air (Z = 0, 10, 30 and 50 mm) and sensitivity through side shielding in air assessments, a and b setups were respectively used without water. The probe was slided through the X axis for the spatial resolution test; it was fixed at X = 0 mm for every other tests

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