Table 3.
Characteristics | No. (%) of patients |
---|---|
Approaches | |
Parieto-occipital transventriclular approach | 22(66.7) |
Frontal transcortical approach | 6(18.2) |
Precentral interhemispheric transcallosal interforniceal approach | 5(15.2) |
Extent of surgical resection | |
Gross total tumor resection (≥90 %) | 19 (57.6) |
Subtotal tumor resection (≥80 but <90 %) | 9 (27.3) |
Partial tumor resection (<80 %) | 5 (15.2) |
Location of residual tumor | |
Posterior part of the third ventricle | 3 (20)a |
Lateral part of the thalamus adjacent to the internal capsule | 6 (40)a |
Medial and internal part of the thalamus | 6 (40)a |
Preoperative ventricular peritoneal shunt | |
Yes | 7 (21.2) |
No | 26 (78.8) |
Postoperative ventricular peritoneal shunt | |
Yes | 4 (12.1) |
No | 29 (87.9) |
Postoperative adjuvant therapy | |
Radiotherapy + chemotherapy | 10 (30.3) |
Radiotherapy | 16 (48.5) |
Chemotherapy | 2 (6.1) |
aPercentage refers to the comparison reasons of the total residual tumor numbers of the patients (100 %)