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. 2024 May;65(5):810–817. doi: 10.2967/jnumed.123.266719

FIGURE 3.

FIGURE 3.

(A) Three-dimensional visualization of activity and attenuation maps of 78th patient in cohort and representative slice from each map. Index lesion is indicated by red arrow. (B) Estimated uptake of index lesion using LC-QSPECT and OSEM methods for this patient. Ground truth uptake also provided. (C) OSEM-reconstructed images of representative slice with each of 9 SPECT scanner–collimator configurations. Lesion boundaries used for OSEM estimations are provided, and they are derived from same lesion masks used in LC-QSPECT method. HEGP = high-energy general-purpose; LEHR = low-energy high-resolution; MEGP = medium-energy general-purpose.