Case selection
This was a mixed retrospective and prospective study of 60 cases of pre-therapy neuroblastoma diagnosed and managed at our hospital between January 2017 and December 2019. The study was conducted after Institute Ethics Committee approval vide letter no INT/IEC/2021/SPL-0. Archival cases of neuroblastoma were retrieved from the Departments of Cytology, Histopathology and Department of Paediatrics [Haematology-Oncology Division] of the Post Graduate Institute of Medical Education and Research Chandigarh, India.