MYCN Gene Copy Number/Chromosome 2 Copy Number in Tissue by FISH

**Semantic type:** Laboratory Procedure

**Definition:** A quantitative fluorescent in situ hybridization-based procedure that measures the number of copies of the MYCN gene per the number of copies of chromosome 2 in a tissue specimen.

**Synonyms:** - MYCN gene copy number/Chromosome 2 copy number in Tissue by FISH