Absence of MYCN Gene Amplification

**Semantic type:** Laboratory or Test Result

**Definition:** A molecular finding indicating the absence of multiple copies of the MYCN gene in a tissue sample.

**Synonyms:** - MYCN Gene Amplification Negative - N-myc Gene Amplification Negative - NMYC Gene Amplification Negative - Neuroblastoma-Derived V-Myc Avian Myelocytomatosis Viral Related Oncogene Amplification Negative - Nonamplified MYCN - V-Myc Avian Myelocytomatosis Viral Oncogene Neuroblastoma Derived Homolog Gene Amplification Negative