Table 2. Quantification of CTC subtypes.
| Subgroup | No. positive samples (n) | Amount of cells/1,000 PBMNC after enrichment |
|||
|---|---|---|---|---|---|
| Minimum | Maximum | Mean | SD | ||
| CK+ | 43 | 0.1 | 12.3 | 1.8 | 2.3 |
| EpCAM+ | 5 | 0.0 | 0.5 | 0.14 | 0.21 |
| N-cadherin+ | 38 | 0.0 | 5.9 | 0.3 | 0.9 |
| CD133+ | 36 | 0.0 | 6.3 | 0.25 | 1.0 |
Abbreviations: CK+, pan-cytokeratin-positive cells; CD133+, CD13- positive cells; N-cadherin+, N-cadherin-positive cells; pCAM+, EpCAM-positive cells. CTC, circulating tumor cells; EpCAM, epithelial cell adhesion molecule; CK, cytokeratin; PBMNC, peripheral blood mononuclear cells.