Table 2.

Occurrence rates and hampering rates of the MRT artifacts in % of the total number of datasets per treatment

Treatment number	Location	Lesion type	Time-varying field inhomogeneities				Arterial ghosting		Patient motion
			Respiratory		Non-Respiratory				Muscle contraction		Body movement
1a,d	Femur	Osteolytic	0	0	0	0	100	0	15	0	0	0
2a,d	Femur	Osteolytic	0	0	100	0	100	0	14	0	0	0
3a	Sacrum	Osteolytic	100	100	100	0	0	0	43	29	0	0
4a	Pubic bone	Mixed	82	64	100	82	100	82	91	73	0	0
5b	Pubic bone	Osteolytic	69	38	100	0	100	0	6.3	6.3	13	13
6b,e	Sacrum	Mixed	100	100	100	0	100	0	38	31	54	54
7b	Shoulder	Osteoblastic	100	100	97	9.7	100	3.2	39	35	35	35
8c	Rib	Mixed	100	100	100	0	100	20	10	10	0	0
9b,e,f	Sacrum	Mixed	100	100	100	0	83	0	17	17	39	39
10c,f	Pubic bone	Osteolytic	100	100	100	33	100	0	3.7	3.7	3.7	3.7
11c	Pubic bone	Osteolytic	70	65	100	22	96	35	22	17	13	13
12c	Rib	Mixed	100	100	100	100	100	67	53	47	33	33
13c	Rib	Osteolytic	100	100	100	56	100	0	11	11	0	0
Total			85	81	94	23	95	14	25	21	17	17

The occurrence rates are shown in normal font, the hampering rates in italic font.

^aPerformed under PSA type A (fentanyl and midazolam).

^bPerformed under PSA type B (propofol and opioid analgesic).

^cPerformed under PSA type C (propofol and esketamine).

^dSame patient, retreated after 2 weeks, metal internal fixation material in the target region.

^eSame patient, retreated after 4.5 months.

^fHigher resolution MRT scans used.