FDG-PET/CT Imaging Predicts Histopathologic Treatment Responses after Neoadjuvant Therapy in Adult Primary Bone Sarcomas

Table 1

Patient characteristics and imaging findings.

$n$	Subtypes	Location	Age	Sex	Baseline		End of treatment		Metabolic response (decrease $\ge$60%)	Necrosis
					SUVmax	Size	SUVmax	Size
1	Ewing’s Sarcoma*	Femur	22	M	12.2	22.1	2.0	21.8	Yes	99
2	Ewing’s Sarcoma*	Fibula	19	F	4.7	7.8	1.7	7.8	Yes	90
3	Osteosarcoma	Fibula	23	M	3.6	6.8	2.3	6.5	No	90
4	Osteosarcoma	Tibia	58	M	9.7	8.5	2.9	8.8	Yes	90
5	Ewing’s Sarcoma*	Femur	29	M	6.8	17.3	2.7	17.3	Yes	80
6	Osteosarcoma	Femur	31	F	10.8	15.0	6.7	15.3	No	70
7	Osteosarcoma	Tibia	18	F	3.9	11.2	2.4	11.9	No	70
8	Giant Cell Tumor*	Iliac Wing	44	F	6.4	9.3	4.0	10.5	No	50
9	Osteosarcoma	Femur	32	F	5.0	6.5	4.8	6.8	No	30
10	Chondrosarcoma*	Humerus	61	M	15.7	17.4	10.6	#	No	30
11	Chondrosarcoma	Sternum	19	F	13.5	10.9	6.3	9.5	No	20
12	Osteosarcoma	Tibia	23	F	5.3	7.1	7.0	8.2	No	10

*Patients received additional radiation therapy; # not measurable due to obliquity of bone.