Circulating Tumor Cells in Blood Must Be

Multiple Choice

Circulating tumor cells in blood must be

A) isolated by anti-CD45, stained with anti-cytokeratins, but not stained with anti-EpCAM
B) isolated by anti-EpCAM, stained with anti-CD45, but not stained with anticytokeratins
C) isolated by anti-EpCAM, stained with anticytokeratins, but not stained with anti-CD45
D) isolated by anti-cytokeratins, stained with anti-CD45, but not stained with anti-EpCAM