Comparison of MRI and Histopathology with regard to Intramedullary Extent of Disease in Bone Sarcomas

Table 1

Subgroup analysis.

	Mean difference ± SD (cm)	Minimum (cm)	Maximum (cm)
MRI length > HP (79)	1.79 ± 1.56	0.10	4.00
Mean difference in tumor length in cases where dimension in MRI is more than HP
Osteosarcoma (54)	1.8 ± 1.2	0.10	4.00
Ewing’s sarcoma (19)	1.98 ± 1.10	0.30	4.00
Chondrosarcoma (6)	1.12 ± 0.79	0.50	2.50
HP size > MRI (13)	0.58 ± 0.43	0.10	1.50
Mean difference in tumor length in cases where dimension in HP is more than MRI
Osteosarcoma (12)	0.58 ± 0.45	0.10	1.50
Chondrosacoma (1)	0.6 ± 0.6	0.60	0.60