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  • 1
    ISSN: 1569-8041
    Keywords: brain tumor ; chemotherapy ; encephalopathy ; late neurological toxicity ; leucoencephalopathy ; primary cerebral lymphoma ; radiochemotherapy ; systematic follow-up
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Primary cerebral non-Hodgkin's lymphomas (NHL) inimmunocompetent patients (PCL) are located exclusively in the central nervoussystem, the eye, or meninges. Clinical management of these patients remainscontroversial. Patients and methods:Clinical characteristics of the patients andparameters influencing their outcome as of December 1998 were investigated andregistered in a database of 226 patients treated in the French Federation ofCancer Centers between 1980 and 1995. Results:Most PCL are diffuse large-cell NHL with a B phenotype.The incidence of PCL has been steadily increasing over the past 20 years insome but not all countries. The overall survival of primary cerebral lymphoma(PCL) patients in the published series, a median of 12–16 months and afive-year survival of 5%–20%, is poor. Several series havenow reported long-term survivals of more than 10 years and PCL may thereforebe a curable tumor in some patients. The optimal treatment of PCL is notknown. Complete resection of the tumor does not improve outcome andmultidisciplinary approaches combining chemotherapy and radiotherapy are nowcommonly used, although the superiority of combination over radiotherapy- orchemotherapy-alone has never been demonstrated in a phase III trial. Theoptimal chemotherapy regimen, the dose and even the usefulness of brainradiotherapy after chemotherapy are therefore still matters of debate.Recently, several authors have reported a relatively high incidence of lateneurological sequelae after PCL treatment. Conclusions:The optimal treatment of PCL patients remains to bedefined. Large cooperative international phase III trials are now required todefine and improve the optimal treatment of PCL and reduce its sequelae.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1569-8041
    Keywords: chemotherapy ; non-metastatic osteosarcoma ; prognosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study evaluates histological response, long-term outcome, and toxicity in an intensive chemotherapy program given before surgery. Patients and methods: Sixty-two patients (39 males, 23 females; median age 14) with biopsy, chest computerised-tomography, technetium bone-scan and magnetic resonance imaging, were enrolled. Primary localisations were femur (44%) and tibia (26%). Induction chemotherapy involved seven courses of high-dose methotrexate and two courses of HELP (ifosfamide, eldesine (vindesine), cisplatin (platinum)–doxorubicin. After surgery, patients received six courses of high-dose methotrexate and two courses of HELP–doxorubicin. Results: Pre- and postoperative toxicities were similar. Fifty-nine patients underwent surgery: histological response was good in thirty-eight patients (64%) and poor in twenty-one (36%). Median follow-up is 57 months (range 30–80), with 77% overall survival and 59% progression-free survival. In a multivariate analysis, age under 10 years is the only prognostic factor that significantly correlates with outcome. Conclusions: This regimen appears to increase histological necrosis, but associates with severe toxicity. Results for patients with less necrosis at surgery are encouraging. Future trials should determine the minimum effective doses to reduce toxicity. New drugs should be added.
    Type of Medium: Electronic Resource
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