Clinical value of semi-quantitative parameters in 68Ga-DOTANOC PET/CT in treatment and diagnostics of cranial meningioma in a single-center retrospective analysis

EJNMMI Reports

Table 2 Semi-quantitative parameters for different WHO grades

n = 24	SUVmax	SUVmean	MTV	SUVpit	SUVsss	SUVRpit	SUVRsss
WHO grade I (n = 17)
Mean	16.45	8.35	11.74	15.76	2.36	1.09	7.36
Median	15.84	8.53	5.26	14.53	2.39	0.98	6.24
Standard deviation	7.69	4.05	17.25	5.60	0.58	0.42	3.75
Minimum	6.12	1.78	1.42	6.27	1.16	0.38	2.51
Maximum	38.68	19.96	76.04	27.14	3.18	2.03	16.15
WHO grade II (n = 5)
Mean	18.57	8.00	6.76	13.21	3.55	1.87	5.97
Median	17.22	7.78	3.23	15.19	4.33	1.10	4.34
Standard deviation	5.13	1.49	5.69	5.19	1.21	1.51	2.87
Minimum	11.60	6.25	1.92	5.57	1.77	0.95	3.79
Maximum	27.18	10.02	16.45	18.45	4.69	4.88	11.33
WHO grade III (n = 2)
Mean	28.42	10.44	18.59	29.87	1.71	0.95	16.47
Median	28.42	10.44	18.59	29.87	1.71	0.95	16.47
Standard deviation	5.29	0.19	4.54	1.28	0.15	0.14	1.65
Minimum	23.13	10.25	14.04	28.59	1.56	0.81	14.83
Maximum	33.70	10.63	23.13	31.14	1.86	1.08	18.12

SUVmax maximum standard uptake value in the tumor, SUVmean mean standard uptake value in the tumor, MTV metabolic tumor volume, SUVpit maximum standard uptake value in the pituitary gland, SUVsss maximum standard uptake value in the superior sinus sagittalis, SUVRpit tumor-to-pituitary gland ratio, and SUVRsss tumor-to-sinus sagittalis ratio