Cells with Chromosome 12 Trisomy/Cells Counted in Blood or Tissue by FISH

**Semantic type:** Laboratory Procedure

**Definition:** A quantitative fluorescent in situ hybridization-based procedure that measures the proportion of cells with chromosome 12 trisomy to the total number of cells counted in a blood or tissue specimen.

**Synonyms:** - Cells.chromosome 12 trisomy/Cells counted in Blood or Tissue by FISH