Fig. 5
From: Spinal osteoblastoma: a retrospective study of 35 patients’ imaging findings with an emphasis on MRI
A 24-year-old woman with characteristic edema on FS T2WI. a Shows a lesion on the left accessory of C6. Both the soft tissue edema (STE) and bone marrow edema (BME) are evaluated as Grade 4, and the STE does not affect the subcutaneous fat. b, c Show the middle and right sides of the vertebra, respectively. BME in the vertebral body with eccentric distribution (b). The BME spreads inward from the side of the nidus (b) and sometimes affects the entire vertebral body (b, c). The vertebra containing the nidus showing the largest BME (a, b); the size of the BME in other vertebra is inversely proportional to the distance from the nidus