From: 90-gene signature assay for tissue origin diagnosis of brain metastases
Characteristic | No. of specimens (N = 62) | Percentage (%) |
---|---|---|
Age, years | ||
 Median | 58.5 | |
 Range | 6–84 | |
Gender | ||
 Male | 38 | 61 |
 Female | 24 | 39 |
PBTs | ||
 Meningiomas | 10 | 56 |
 Gliomas | 7 | 39 |
 PNET | 1 | 5 |
Origin of BMs | ||
 Lung | 26 | 59 |
 Colorectal | 6 | 14 |
 Breast | 6 | 14 |
 Neuroendocrine | 4 | 9 |
 Cervix | 1 | 2 |
 Liver | 1 | 2 |
Degree of differentiation in BMs | ||
 Well-differentiated | 18 | 41 |
 Poorly differentiated | 26 | 59 |