ALK and neoplasm: Increase in demand for tumor genetic testing for neuroblastoma diagnosis is posing a challenge to current practice, as the small size of the core needle biopsies obtained are required for multiple molecular tests: single nucleotide polymorphism (SNP) chromosome microarray analysis (CMA) or fluorescence in situ hybridization (FISH) for SCA and/or MNA, and DNA sequencing for ALK somatic variants [2].