Of these patients, 59.3% were aged less than 18 months, 62.9% were female, most of the patients (55.6%) were high risk, 48.1% presented with International Neuroblastoma Staging System (INSS) stage E4, 55.5% presented metastasis at diagnosis, only 3.7% presented amplification of the MYCN gene, 25.9% of the total population presented relapse, and 22.2% died during follow-up. Here, MYCN is linked to neuroblastoma.