Clinical data, Pathological Classification, and Risk
Stratification and Follow-up:
The age, gender, symptoms, tumor size, location, imaging details
wherever available, and treatment given (surgery / chemotherapy /
radiation therapy / autologous stem cell transplantation) were noted
from the records of Department of Paediatrics and the cohort
characteristics are previously published.15 Age,
morphology, and MKI was combined to classify the cases into favorable
and unfavorable histological subtypes as per INPC. The risk group
stratification as per the International Neuroblastoma risk Group (INRG)
was performed by accounting for the stage, age, morphology, MYCN, and
ploidy. The information for 11q aberrations was not available and the
INRG subtyping was done without it.