Abstract:
BACKGROUND:Primary brain tumors have always been associated with high morbidity and mortality. Glioma is the most common type of malignant brain tumors,with a high probability of recurrence after surgical excision and with poor prognosis.The purpose of this study was to compare the therapeutic efficacy of computed tomography (CT)-guided interstitial (125)I seed implantation with traditional radiochemotherapy for treatment of recurrent gliomas. RESULTS:The response rate at 1, 3, 6 and 12 months after (125)I seed implantation was 68.6, 74.3, 77.1 and 62.8% respectively, which was significantly higher than the group treated with the conventional chemoradiation protocol (p < 0.05). Patients exposed to (125)I seed implantation had a median survival of 29.0 months, whereas the median survival of those treated with traditional radiochemotherapy was 19.0 months. The difference observed between the two groups was significant. There were no severe complications or mortality associated with either treatment, except for one case of intracerebral hemorrhage around the tumor area in the (125)I seed implants group. METHODS:From November 2002 to May 2010, 73 consecutive patients with recurrent gliomas were treated with CT-guided (125)I seed implantation (35 cases) or traditional radiochemotherapy (38 cases). Patients were followed up after treatment and the therapeutic effect was evaluated by comparing the response and survival rates of the two groups. In particular, patients treated with (125)I seed implantation were monitored for adverse side effects. CONCLUSIONS:CT-guided (125)I seed implantation is safe and well-tolerated and more importantly, shows superior efficacy compared with conventional radiochemotherapy. This suggests that CT-guided (125)I seed implantation could be an alternative approach for recurrent gliomas.
journal_name
Cancer Biol Therjournal_title
Cancer biology & therapyauthors
Hu X,Qiu H,Zhang L,Zhang W,Ma Y,Qiao Z,Chen D,Han J,Duan G,Zhang Fdoi
10.4161/cbt.20834subject
Has Abstractpub_date
2012-08-01 00:00:00pages
840-7issue
10eissn
1538-4047issn
1555-8576pii
20834journal_volume
13pub_type
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