抄録
1. An investigation was made on 9 cases of neuroblastoma from 4 months to 60 years old.
2. Out of the 9 cases of neuroblastoma, 5 were females and 4 were males.
3. Histopathologically, neuroblastoma was classified into 3 types of small round cell type (I), polar cell type (II) and nerve cell type (III) .
4. Out of the 9 cases investigated, 2 were tae type I, 1 was type II, i was type III and the remaining 5 were the mixed type of I and II.