Differentiation of Recurrence from Radiation Necrosis in Gliomas Based on the Radiomics of Combinational Features and Multimodality MRI Images
Table 1
Clinical characteristics of glioma patients.
Characteristic
Type
Value
Sex
Male
24 (47%)
Female
29 (53%)
Age
Mean
47.6 (10–74)
Histology
Glioblastoma
12 (23.5%)
Astrocytoma
14 (27.5%)
Ependymoma
3 (5.9%)
Mixed glioma
22 (43.1%)
Grade
High (III-IV)
32 (62.7%)
Low (I-II)
19 (37.3)
Recurrence or necrosis
Recurrence
35 (68.6%)
Necrosis
16 (31.4%)
Time interval
Mean
1.8 years
Tumor location
Frontal lobe
21 (41.2%)
Temporal lobe
22 (43.1%)
Cerebellum
2 (3.9%)
Occipital lobe
3 (5.9%)
Parietal lobe
3 (5.9%)
Time interval refers to the time point from first radiotherapy to diagnosis of necrosis or recurrence. The grade corresponds to the pathological outcome of patients’ first surgery.