MRI findings | Number (n) | Percentage (%) |
Tumor location |
|
|
Above S3 | 0 | 0% |
Below S3 | 7 | 100% |
Tumor Size (cm) | Range: 5.9 cm; Mean: 2.8 - 10.5 cm |
|
Involvement of surrounding structures | 4 | 57.1% |
Tumor morphology |
|
|
Cystic | 6 | 85.7% |
Solid | 1 | 14.3% |
Signal intensity |
|
|
Homogeneity | 7 | 100% |
Heterogeneity | 0 | 0% |
Tumor margin |
|
|
Sharp | 7 | 100% |
Irregular/Infiltrative | 0 | 0% |
Gadolinium enhancement | 3 | 42.9% |
Septation |
|
|
Unilocular | 3 | 42.9% |
Polylocular | 4 | 57.1% |
Preferable diagnosis |
|
|
Tailgut cyst | 5 | 71.4% |
Chordoma | 1 | 14.3% |
Endometriosis | 1 | 14.3% |