Table 2.
Total 18 cases of bifocal GCTs and their tumor markers
| GCT No. | Histology | Age | Sex | Tumor Location | Tumor Marker | HCG Serum (IU/L) | HCG CSF (IUL) | AFP Serum (ng/mL) | AFP CSF (ng/mL) | Site of CSF |
|---|---|---|---|---|---|---|---|---|---|---|
| GCT13 | Germinoma | 8 | M | Bifocal | Negative | <0.1 | ND | <5.0 | ND | NA |
| GCT14 | Germinoma | 25 | M | Bifocal | Negative | <0.1 | ND | <5.0 | ND | NA |
| GCT34 | Germinoma | 45 | M | Bifocal | Negative | 0.11 | 0.8 | 3.2 | <0.4 | L |
| GCT50 | Germinoma | 12 | M | Bifocal | Negative | <0.1 | ND | 2 | ND | NA |
| GCT133 | Germinoma | 15 | M | Bifocal | Negative | 1.2 | ND | 6 | ND | NA |
| GCT185 | Germinoma | 15 | M | Bifocal | Mild | 1.6 | 16 | 6.4 | 5 | V |
| GCT206 | Germinoma | 20 | M | Bifocal | Mild | 27.2 | ND | ND | ND | NA |
| GCT210 | Germinoma | 15 | M | Bifocal | ND | ND | ND | ND | ND | NA |
| GCT215 | Germinoma | 15 | M | Bifocal | Negative | 0.8 | ND | ND | ND | NA |
| GCT10 | Germinoma | 13 | M | Bifocal + V | Negative | <0.1 | ND | <5.0 | ND | NA |
| GCT35 | Germinoma | 15 | M | Bifocal + V | Negative | <0.1 | 0.14 | 1.5 | <0.4 | L |
| GCT45 | Germinoma | 20 | M | Bifocal + V | Negative | <0.1 | <0.1 | 1 | 1 | V |
| GCT54 | Germinoma with STGC | 12 | M | Bifocal + V | Negative | ND | ND | 1 | ND | NA |
| GCT96 | Germinoma | 16 | M | Bifocal + V | Negative | <0.1 | ND | 4.5 | ND | NA |
| GCT100 | Yolk sac tumor | 12 | M | Bifocal + O | Severe | ND | ND | 12200 | ND | NA |
| GCT157 | Germinoma | 14 | M | Bifocal + V | Negative | <0.1 | ND | <5.0 | <0.6 | V |
| GCT238 | Germinoma | 39 | M | Bifocal + V | ND | ND | ND | ND | ND | NA |
| GCT241 | Germinoma | 15 | M | Bifocal + O | ND | ND | ND | ND | ND | NA |
Abbreviations: AFP: alpha fetoprotein; CSF: cerebrospinal fluid; HCG: human chorionic gonadotropin; LP: lumbar puncture; M: male; NA: not applicable; ND: no data; O: other locations; V: ventricle; VD: ventricular drainage.