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Results for “Neuroectodermal Tumors, Primitive”

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PubMed1996

Combined irradiation and chemotherapy using ifosfamide, cisplatin, and etoposide for children with medulloblastoma/posterior fossa primitive neuroectodermal tumor--results of a pilot study.

Ten children with newly diagnosed medulloblastoma/primitive neuroectodermal tumor of the posterior fossa were treated with total surgical resection, radiation therapy, and ICE chemotherapy regimen with ifosfamide (900 mg/m2, days 1-5), cisplatin (20 mg/m2, days 1-5), and etoposide (60 mg/m2, days 1-5) every 4 weeks for eight cycles. Four children under 2 years old were at first treated with eight cycles of ICE chemotherapy, and then irradiated. The ICE regimen was well tolerated by all children, with no irreversible adverse effects. However, dose reductions during the eight cycles were inevitable mainly due to myelosuppression. Complete remissions were achieved in eight of 10 patients at 1 month after completion of the treatment. One child showed recurrence 21 months after complete remission. The disease-free survival rate was 70% with a mean observation period of 24 months after surgery. The ICE regimen is a useful treatment modality for children with medulloblastoma. Further study is warranted to clarify long-term outcome in a number of patients.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed1999

Peripheral primitive neuroectodermal tumors of bone. A review of three cases.

The recently individualized and still incompletely understood family of peripheral neuroectodermal tumors encompasses several tumor types, of which some have a predilection for bone. Immunocytochemical studies are essential and usually provide the diagnosis. A t(11;22)(q24;q12) translocation is present in over 80% of cases. Ewing's sarcoma is now viewed as an undifferentiated form of peripheral neuroectodermal tumor, and both tumors require management with combination chemotherapy plus radiation therapy and/or surgery. Contradictory data have been reported regarding the comparative prognosis of peripheral neuroectodermal tumor and Ewing's sarcoma, indicating a need for further studies in large numbers of patients. We illustrate these points by three case-reports, two in girls diagnosed with a vertebral primary at five and nine years of age, respectively, and one in a man diagnosed with a pelvic primary at 29 years of age.

Adult↗