Ewing's sarcoma: transplantation in nude rat.


Eight Ewing's sarcoma, primary tumor or metastasis, have been transplanted in Nude Rats. These tumors grow slowly and only in female rats. One of them has been maintained for 13 months with 5 passages. It has conserved all the characteristics of the primary tumor, histologic and ultramicroscopic morphology, glycogen secretion and cytogenetic modification… (More)