PET/CT-guided versus CT-guided percutaneous core biopsies in the diagnosis of bone tumors and tumor-like lesions: which is the better choice?

Table 2 Comparison of the pathological findings after open surgery between the PET/CT and CT groups

Postsurgical histopathology diagnosis	PET/CT group (n = 42)	CT group (n = 55)	χ² value	P value
Primary benign bone tumors
Giant-cell tumor	2	3	1.311	0.252
Osteoblastoma	1	2	0.231	0.631
Osteoid osteoma	0	2	0.709	0.4
Fibrous histiocytoma	0	3	1.17	0.279
Primary bone malignancies
Osteosarcoma	4	3	0.116	0.734
Chondrosarcoma	2	5	1.793	0.181
Chordoma	5	2	1.393	0.238
Ewing’s sarcoma	1	1	0.002	0.969
Malignant fibrous histiocytoma	0	2	2.232	0.135
Lymphoma	4	3	0.116	0.734
Myeloma	3	2	0.173	0.677
Bone metastases
Lung tumor	7	9	0.055	0.815
Breast tumor	2	1	0.564	0.452
Kidney tumor	2	3	0.082	0.774
Prostate tumor	1	2	0.209	0.647
Colorectal tumor	3	3	0.047	0.828
Stomach tumor	2	2	0.03	0.863
Tumor-like lesions
Simple cyst	0	2	1.559	0.212
Aneurysmal bone cyst	1	3	0.569	0.451
Langerhans cell histiocytosis	2	2	0.076	0.782

ISSN: 1470-7330