##  [Liquid Biopsy](/index.php/liquid-biopsy) 

  ##  [Liquid Biopsy](https://health.quantumdictionary.io/liquid-biopsy-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A minimally invasive approach that samples body fluids—most commonly blood—to detect and analyze circulating disease-derived biomarkers (for example, cell‑free DNA including circulating tumor DNA, circulating tumor cells, or extracellular vesicles) for purposes such as detection, molecular characterization, or longitudinal monitoring; analytical performance and clinical utility depend on analyte b