Small round cell tumours of childhood a histopathological study

A retrospective study of 132 solid small round cell tumours of childhood were reviewed from the files of histopathology department of Saddam Medical City Teaching Hospital. Non-Hodgkin's lymphoma was the most frequent tumour, together with Hodgkin's disease, they comprised 47% of the total cases. These tumours were followed by neuroblastoma [18%], nephroblstoma [16%], Ewing's sarcoma [8%] and rhabdomyosarcoma [7%]. Despite differences in their light micro-scopical appearances, age, sex, and anatomical locations, 4.5% of these tumours were unclassifiable. Means to reduce the occurrence of the latter category is discussed