(Faculty of Medicine. Colombo, 1996) Ratnatunga, N.
A clinicopathological and immunohistochemical features of 7 cases of peripheral neuroectodermal tumour were documented. Children and adults were affected. The tumours were found in both bone and soft tissue. All tumours were positive for PGP 9.5 neurofilament and O-13, in addition. Cytoplasmic glycogen was variable. Some tumours showed good neural differentiation. In general the tumours had an aggressive behaviour.
