A First Report on [¹⁸F]FPRGD₂ PET/CT Imaging in Multiple Myeloma

Table 2

Focal lesions detected with CT and PET and lesions’ characteristics.

	Whole-body	FPRG	NaF/FDG
	CT	PET	PET
Number of osteolytic lesions ()	(89%)	(44%)	(64%)^††
Mean ± SD SUVmax		2.5 ± 0.8	8.5 ± 4.3
Number of fractures ()	(10%)	(10%)	(10%)
Mean ± SD SUVmax		3.3 ± 1.2	9.4 ± 2.3
Number of FLs without any abnormality on CT images			(1%)
Total number of FLs ()	(99%)	(54%)	(69%)

Number of FLs regardless of the presence of bone abnormality on low dose CT images, or hypoactive FLs with underlying bone destruction on CT images were considered PET FLs. out of 47 were hypoactive FLs; they were not considered in the measurement of SUV.