Table 1.

Short-term imaging findings in patients with giant cell tumors of the bone who were treated with denosumab

No.	Sex	Age	Location	Pretreatment	Tumor size (mm)		Size of cystic component (mm)		SI ratio on T2 weighted image		New bone formation	ADC value (10−3 × mm2/sec)
					Pre	Post	Pre	Post	Pre	Post		Pre	Post
1	M	37	Tibia	–	60	50	43	18	3.6	2.9	+	1.03	0.66
2	M	26	Humerus	–	66	55	39	15	9.7	3.6	+	1.55	1.33
3	M	33	Carpus	–	25	22	10	0	4.9	1.1	+	1.25	1.29
4	M	52	Vertebra	–	32	30	15	15	10.7	0.9	+	1.66	2.24
5	M	41	Skull bone	–	46	20	40	12	3.5	2.7	−	2.60	1.74
6	F	34	Vertebra	–	23	22	0	0	2.2	1.7	+	0.91	1.23
7	M	54	Radius	Curettage with bone grafting	25	24	0	0	1.2	1.1	+	N/A	N/A
8	M	34	Femur	Curettage with bone grafting	64	60	0	0	1.3	0.8	+	N/A	N/A
9	F	26	Vertebra	Curettage alone	89	87	0	0	2.4	1.6	−	N/A	N/A
10	F	51	Vertebra	Curettage alone	30	24	0	0	2.2	1.3	−	N/A	N/A
11	F	39	Vertebra	Curettage alone	31	30	0	0	2.2	1.7	−	N/A	N/A
12	F	66	Sacrum	Embolization	74	63	0	0	3.4	3	−	N/A	N/A

ADC, apparent diffusion coefficient; SI ratio, the signal intensity ratio between the solid part of the tumor and muscle.