Molecular Prognosis of Carcinomas In Situ Current methods for identifying and studying circulating tumor cells (CTC) have been problematic, as they require complex cell isolation procedures, comprising many technical challenges which limit utility in clinical medicine. BC200 RNA is a small non-protein-coding RNA normally restricted to neuronal expression. The dramatic exception to this... Category(s): Technology Classifications > Screens and Assays, Technology Classifications > Diagnostics