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  • Title: [Effectiveness of treatment of single cerebral metastasis depending on prognostic groups (RPA RTOG)].
    Author: Mikhina ZP, Tkachëv SI, Trofimova OP, Ivanov SM, Medvedev SV, Zakharov SN, Krat VB, Korgunov SV.
    Journal: Vopr Onkol; 2009; 55(2):205-9. PubMed ID: 19514377.
    Abstract:
    Our investigation was aimed at establishing a relationship between single metastases in the brain and a set of prognostic factors. It involved 278 patients treated at the Center in 1983-2003. The whole brain was irradiated in 273 while 159 of them (58.2%) received additional local irradiation of the brain. Single dosage of 2-2.5 Gy was administered to 158 (57.9%), 115--3Gy and more (42.1%). Mean total dosage was 36 Gy per metastasis for the whole brain and 46 Gy--for total plus local exposure. Among patients with favorable prognosis (RPA) were those aged up to 65, Karnofsky's index > or = 70%, with cured or controllable tumor and without extracranial metastases; poor prognosis--Karnofsky's index < or = 70%, irrespective of any other prognosticators, and intermediate prognosis--the remaining cases. The following four treatment modalities were used: 1) surgery --> radio- or radiochemotherapy (40); 2) chemotherapy > or = radiotherapy --> chemotherapy successively (56); (3) radiotherapy alone (110) and (4) simultaneous radiochemotherapy (72).
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