Research Article
Fractionated Stereotactic Radiation Therapy Using Volumetric Modulated Arc Therapy in Patients with Solitary Brain Metastases
Table 1
Baseline characteristics (
).
| | Characteristics | Values |
| | Age (median (IQR)), (%) | 57 (46.5-66) | | 18–59 years | 25 (54) | | ≥60 years | 21 (46) | | Gender, (%) | | | Male | 16 (35) | | Female | 30 (65) | | Histology, (%) | | | Lung | 26 (57) | | Mammary | 15 (33) | | Renal cell carcinoma | 2 (4) | | Esophageal cancer | 1 (2) | | Malignant melanoma | 1 (2) | | Colorectal | 1 (2) | | Tumor diameter, (%) | | | <2.5 cm | 21 (46) | | ≥2.5 cm | 25 (54) | | Karnofsky performance status, (%) | | | 90-100 | 39 (85) | | 80 | 5 (11) | | 70 | 2 (4) | | Fraction dose, (%) | | | | 7 (15) | | | 10 (22) | | | 21 (46) | | | 8 (17) | | PTV margin, (%) | | | 1 mm | 29 (63) | | 2 mm | 17 (37) | | Cranial nerves, (%) | | | Normal | 46 (100) | | Abnormal | 0 (0) | | Sensation, (%) | | | Normal | 41 (89) | | Abnormal | 5 (11) | | Motor, (%) | | | Normal | 40 (87) | | Abnormal | 6 (13) |
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PTV: planning target volume.
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