A novel MRI- and CT-based scoring system to differentiate malignant from osteoporotic vertebral fractures in Chinese patients

Table 2 Sensitivity and specificity of key MRI and CT findings

Radiological Findings	Implication	Sensitivity (%)	Specificity (%)	p-value
MRI findings
Pattern change of vertebrae signal intensity
Round	MVF	43	99	< 0.001
Band like	OVF	58	97	< 0.001
Diffuse	MVF	79	91	< 0.001
Shape of posterior wall protrusion
Superior sharp	OVF	43	87	< 0.001
Smoothly blunt	MVF	57	96	< 0.001
Anterior vertebral convexity	MVF	23	97	< 0.001
Paravertebral solid mass	MVF	63	99	< 0.001
Fluid sign	OVF	29	99	< 0.001
Asymmetry of signal intensity change	MVF	80	87	< 0.001
Pedicle involvement	MVF	86	79	< 0.001
Shape of posterior wall protrusion
Single peaked	OVF	26	88	< 0.05
Double peaked	MVF	35	97	< 0.001
CT findings
Sclerotic band beneath the end plate	OVF	65	99	< 0.001
Fracture without osteolysis	OVF	59	99	< 0.001
Osteolytic destruction	MVF	63	98	< 0.001

CT computed tomography, MRI magnetic resonance imaging, MVF malignant vertebral fracture, OVF osteoporotic vertebral fracture

ISSN: 1471-2474