Table 1.
Demographic Characteristics of Patients
| Variables | N (%) |
|---|---|
| Age (median) | 63 (37–72) |
| Sex | |
| Female | 24 (36.9) |
| Male | 41 (63.1) |
| Primary cancer | |
| Colon cancer | 24 (36.9) |
| Rectal cancer | 41 (63.1) |
| Synchronous vs metachronous BMs | |
| Synchronous BMs | 4 (6.2) |
| Metachronous BMs | 61 (93.8) |
| Extracranial metastasis | |
| Lung | 38 (58.5) |
| Liver | 11 (16.9) |
| Bone | 7 (10.8) |
| PM | 2 (3.1) |
| OM | 1 (1.5) |
| None | 20 (30.8) |
| Location of BM | |
| Supratentorial | 28 (43.1) |
| Infratentorial | 9 (13.8) |
| Combinational | 28 (43.1) |
| Number of brain lesions | |
| 1 | 37 (56.9) |
| ≥2 | 28 (43.1) |
| The maximal dimension of BM (cm) | |
| <3 | 33 (50.8) |
| ≥3 | 32 (49.2) |
| CEA | |
| Negative | 25 (38.5) |
| Positive | 35 (53.8) |
| Unknown | 5 (7.7) |
| CA199 | |
| Negative | 41 (63.1) |
| Positive | 19 (29.2) |
| Unknown | 5 (7.7) |
| CA125 | |
| Negative | 48 (73.8) |
| Positive | 12 (18.5) |
| Unknown | 5 (7.7) |
| CA242 | |
| Negative | 43 (66.2) |
| Positive | 16 (24.6) |
| Unknown | 6 (9.2) |
| CA211 | |
| Negative | 42 (64.6) |
| Positive | 17 (26.2) |
| Unknown | 6 (9.2) |
| Treatment | |
| Surgery | 28 (43.1) |
| Conservative | 37 (56.9) |
| Recurrence | |
| Yes | 9 (13.8) |
| No | 56 (86.2) |
Abbreviations: N, number; BM, brain metastasis; OM, ovarian metastasis.