Table 1 The relationship between tumors and GV, tentorium of cerebellum, and cerebral falx
No. of Cases | |
|---|---|
Tumors and GV | |
Posteriorly and inferiorly to GV | 12 |
Anteriorly and superiorly to GV | 5 |
Laterally to GV | 3 |
GV completely wrapped | 1 |
Contact area between tumors and adjacent structures | |
Contact area between tumor and tentorium | 4 |
Contact area between tumor and FT junction | 5 |
Contact area between tumor and inferior surface of straight sinus | 5 |
Contact area between tumor and GV | 4 |
Contact area between tumor and posterior segment of GV and ICVs | 2 |
Contact area between tumor and posterior segment of ICVs and pineal gland | 1 |
Enhancement of FT junction | |
Yes | 12 |
No | 9 |
Dural tail sign in FT junction | |
Yes | 5 |
No | 16 |