A Partial Volume Effect Correction Tailored for ¹⁸F-FDG-PET Oncological Studies

Table 4

Six spheres: percentage differences (%) between actual sphere diameter (𝑑) and sphere diameter derived from “isocontour” volumes at 50, 60, 70, and 80%.

𝑑 (mm)	𝑑50% (mm)	% diff	𝑑60% (mm)	% diff	𝑑70% (mm)	% diff	𝑑80% (mm)	% diff
10	12	−20±6.9	9	10±1.8	7	30±8.9	5	50±17.4
13	12	7.7±0.9	10	23.1±2.0	8	38.5±3.2	7	46.2±5.1
17	16	5.9±0.7	13	23.5±0.9	12	29.4±0.9	10	41.2±1.5
23	19	17.4±0.5	17	26.1±0.8	15	34.8±1.4	13	40.9±2.5
29	27	6.9±0.5	25	13.8±0.8	23	20.7±0.9	19	17.4±1.0
37	34	8.1±0.03	32	13.2±0.1	30	18.9±0.4	28	24.3±1.1