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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
    Electronic Resource
    Electronic Resource
    Springer
    Supportive care in cancer 8 (2000), S. 68-71 
    ISSN: 1433-7339
    Keywords: Key words Mucositis ; Stomatitis ; Chemotherapy ; Treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The management of mucositis is the subject of many controversies, and the optimal treatment is still not known. Several evaluation scoring systems have been described, but no one of these is appropriate to all clinical situations: a simple scale such as that devised by the WHO can be used routinely, and more sophisticated ones can be implemented by trained experimenters working in research. We have considered the impact of each of the treatments currently available on each stage of mucositis. In attempts at prevention, self-care, in the sense of oral hygiene, must remain atraumatic. It is probably advisable to differentiate patients with good previous oral care, in whom tooth brushing is beneficial, from others, in whom the risk of hemorrhage and infection excludes any brushing. Before the dosage of chemotherapy is reduced, the curative or palliative intent of the strategy must be carefully evaluated. In the vascular phase protection of the proliferating cells is attempted by means of vasoconstriction (cryotherapy), cytoprotection (prostaglandin E2 and other antioxidants) or epithelial cell-inhibiting factors such as TGF-B3. Treatments applied in the epithelial phase are directed at increasing the cell proliferation to accelerate epithelial restoration by sucralfate and several growth factors: hematopoietic GF, which has demonstrated a direct effect on the mucosa (GM-CSF), or epithelial growth factors such as keratinocyte GF. In the ulcerative and bacteriological phase attempts are made to attenuate sepsis by means of antiseptics (chlorhexidine), amphotericin B and antiviral agents or antibiotic lozenges. In the healing phase application of the low-energy helium–neon laser has demonstrably been followed by a later time of onset, less pronounced peak severity and shorter duration of oral mucositis. After cancer treatment, oral hygiene, inhibition of oral flora, and pain relief are the main goals. Physiopathogen-specific treatment is the next step, with the emphasis on the inhibition of epithelial cell proliferation during drug exposure and facilitation of epithelial maturation and healing.
    Type of Medium: Electronic Resource
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