Table 2 Clinico-radiological features of 46 low-grade (LG) intramedullary astrocytomas
From: Clinical, radiological and molecular characterization of intramedullary astrocytomas
Variable | Grade I | Grade II | LG | Fisher test1 (except 2) |
|---|---|---|---|---|
n = 26 (%) | n = 17 (%) | n = 3 (%) | ||
Age (mean 33, range 4–73 years) | ||||
< 18 years | 7 (27) | 2 (12) | 1 (33) | p = 0.211 |
≥ 18 years | 19 (73) | 15 (88) | 2 (67) | |
Gender | ||||
male | 12 (46) | 9 (35) | 3 (100) | p = 0.451 |
female | 14 (54) | 8 (31) | 0 (0) | |
Tumor location | ||||
Cervical | 8 (31) | 5 (29) | 1 (33) | NA2 |
Cervico-Thoracic | 10 (38) | 5 (29) | 1 (33) | |
Thoracic | 5 (19) | 7 (41) | 0 (0) | |
Thoraco-Lumbar | 2 (8) | 0 (0) | 1 (33) | |
Lumbar | 1 (4) | 0 | 0 | |
Infiltration | ||||
Well-delienated | 6 (33) | 5 (29) | 0 (0) | p = 0.546 |
Infiltrative | 12 (67) | 12 (71) | 1 (100) | |
No data | 8 | 0 | 2 | |
Contrast enhancement | ||||
No | 1 (4) | 7 (41) | 1 (50) | |
Yes | 25 (96) | 10 (59) | 1 (50) | p = 0.004 |
No data | 0 | 0 | 1 | |
Extent of surgical resection | ||||
Gross total resection | 5 (19) | 2 (12) | 0 (0) | p = 0.0113 |
Partial resection | 17 (65) | 6 (35) | 1 (33) | |
Biopsy | 4 (15) | 9 (53) | 2 (67) | |
Adjuvant treatments | ||||
No | 24 (92) | 17 (100) | 3 (100) | p = 0.359 |
Yes | 2 (8) | 0 | 0 | |