4 resultados
The 3-5 year survival rates of patients with disseminated Ewing's sarcoma (ES) or the closely related peripheral primitive neuroectodermal tumors (PNET) remain low, even under aggressive treatment involving highly toxic multidrug chemotherapeutic regimens. ES and PNET are sensitive to doxorubicin,
Despite the phenotypic similarities between primitive neuroectodermal tumors of the central nervous system, childhood neuroblastoma, and peripheral neuroepithelioma, a histogenetic relationship among these neoplasms has not been shown. High levels of N-myc expression occur selectively in developing
The records of 116 patients from a single center (1970-1993) with newly diagnosed Ewing's sarcoma or primitive neuroectodermal tumor were reviewed retrospectively. The aim of this study was to ascertain the impact of pretreatment variables on disease-free survival. Median age was 14 years (range
We describe a 4-yr-old boy with an occult primitive neuroectodermal tumor, who suffered fatal PTE after a second course of HDC with autologous PBSCT. On day + 52 after a second PBSCT, he was admitted because of respiratory distress. Respiratory failure rapidly progressed and he died within 4 days.