Table 2 Imaging manifestations of the 14 patients with spinal giant cell tumour of the tendon sheath (GCTTS)
From: Giant cell tumour of the tendon sheath of the spine: clinical features and imaging findings
Cases | Segment | Location | CT findings | MRI findings | Enhancement | SUVmax | Size (mm) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Soft Tissue Mass | Border | Density | Cortical bone Discontinuous | Sclerotic margin | T1WI signal | T2WI signal | ||||||
1 | C5-7 | Left vertebral plate, left part of vertebral body and spinous process | (+) | Well | Heterogeneous | (+) | (+) | Hypointense, with internal slight hyperintensity | Mostly hypointense with internal hyperintensity | – | – | 32.4 × 30.9 × 35.0 |
2 | T9 (primary) | Left vertebral arch, transverse process and left part of vertebral body | (+) | Ill | Heterogeneous | (+) | (+) | Mostly hypointense | Mostly hypointense | Obviously heterogeneous | 65.6 × 33.1 × 61.4 | |
T11 (recurrent) | Lesion unable to be clearly observed due to severe metal artefacts on CT and MRI images | 5.1 | 13 × 8 × 7* | |||||||||
3 | C4-5 | Right transverse process and pedicle of vertebral arch of C4; vertebral body, right transverse process and spinous process of C5 | (+) | Ill | Heterogeneous | (+) | (−) | Isointense and hyperintense | Mostly slightly hyperintense with internal hypointensity | Obviously heterogeneous | 47.8 × 46.1 × 43.4 | |
4 | C1-2 | Anterior arch and left lateral mass of C1; left vertebral arch, transverse process and left part of vertebral body of C2 | (+) | Wel | Homogeneous, isodense | (+) | (+) | Isointense | Hypointense | – | 45.7 × 36.9 × 40. | |
5 | C4-6 | Most of vertebral body, bilateral transverse process and vertebral arch | (+) | Ill | Homogeneous, isodense | (+) | (−) | Isointense with internal hypointensity | Mostly hypointense with internal hyperintensity | – | 8.9 | 48.6 × 36.0 × 37.7 |
6 | T1-2 | Left vertebral arch, transverse process and articular process; left part of vertebral body | (+) | Well | Homogeneous, isodense | (−) | (+) | Isointense | Isointense | Obviously homogeneous | 15.5 | 31.6 × 27.2 × 18.0 |
7 | C5 | Left lamina of vertebral arch | (+) | Well | Heterogeneous | (−) | (−) | Isointense | Isointense | Obviously homogeneous | 17.6 × 12.4 × 9.0 | |
8 | C1-2 | Left lateral mass, posterior arch of C1 and left vertebral arch, transverse process of C2 | (+) | Ill | Homogeneous, isodense | (+) | (+) | Hypointense | Hypointense | – | 66.4 × 52.5 × 51.1 | |
9 | T3 | Right vertebral arch, transverse process and articular process | (+) | Well | Homogeneous, isodense | (−) | (−) | Isointense and hypointense | Slightly hyperintense | Obviously homogeneous | 28.5 × 21.6 × 24.6 | |
10 | C1 | Posterior arch | (+) | Well | Heterogeneous | (+) | (+) | Isointense | Hypointense | Moderately homogeneous | 23.9 × 21.6 × 17.6 | |
11 | C4-5 | Right transverse process, pedicle of vertebral arch and articular process | (+) | Wel | Heterogeneous | (+) | (+) | Hypointense | Hypointense | Obviously heterogeneous | 31.1 × 19.0 × 17.6 | |
12 | C6 | Right vertebral arch | (+) | Well | Homogeneous, isodense | (+) | (−) | Isointense | Isointense | – | 20.4 × 13.5 × 21.3 | |
13 | C6-7 | Right transverse foramen, pedicle of vertebral arch and articular process | (+) | Well | Homogeneous, isodense | (−) | (+) | Isointense | Hypointense | Moderatelyhomogeneous | 15.5 | 20.7 × 19.6 × 17.0 |
14 | T8 | Left costotransverse articulation | (−) | Well | Homogeneous, isodense | (+) | (+) | Isointensity | Isointensity | – | 15.3 | 11. × 10.4 × 15.7 |