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Albumin, corticoste...
Albumin, corticosteroid use and Karnofsky performance status predict outcome of single-fraction gamma knife radiosurgery in clear cell renal cell carcinoma patients with brain metastases
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- Stenman, Maria (författare)
- Uppsala universitet,Experimentell och klinisk onkologi,Magnus Lindskog
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- Benmakhlouf, Hamza (författare)
- Department of Medical Radiation Physics and Nuclear Medicine, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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- Wersäll, Peter (författare)
- Department of Oncology-Pathology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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- Hatiboglu, Mustafa Aziz (författare)
- Department of Neurosurgery, Bezmialem Vakif University Medical School, Istanbul, Turkey
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- Silva, Julieta Mayer (författare)
- Centro Gamma Knife, CUF Infante Santo Hospital, Lisbon, Portugal
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- Harmenberg, Ulrika (författare)
- Department of Oncology-Pathology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
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- Lindskog, Magnus (författare)
- Uppsala universitet,Experimentell och klinisk onkologi,Magnus Lindskog
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- Sinclair, Georges (författare)
- Department of Neurosurgery, Bezmialem Vakif University Medical School, Istanbul, Turkey. Department of Neurosurgery, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden.
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(creator_code:org_t)
- Engelska.
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Background and Purpose: To evaluate the effects of single fraction gamma knife radiosurgery (sf-GKRS) on patients with renal cell carcinoma (RCC) brain metastases (BM) in the era of targeted agents (TA).Material and Methods: Clear cell metastatic RCC patients treated with sf-GKRS due to BM in 2005-2014 at three European centres were retrospectively analysed (n=43). Median follow-up was 56 months. Ninety-five percent had prior nephrectomy, 53% synchronous metastasis and 86% extracranial disease at first sf-GKRS. Karnofsky performance status (KPS) ranged from 60-100%. Outcome measures were overall survival (OS), local control (LC) and adverse radiation effects (ARE).Results: One hundred and ninety-four targets were irradiated. Median number of targets at first sf-GKRS were two. The median prescription dose was 22 Gy. Thirty-seven percent had repeated sf-GKRS. Eighty-eight percent received TA. LC at 12 and 18 months were 97% and 90%. Median OS from first sf-GKRS was 15.7 months. Serum albumin (HR 5.3), corticosteroids pre sf-GKRS (HR 5.8) and KPS (HR 9.1) were independent prognostic factors. MSKCC risk group, synchronous metastasis, age, number of BM or extracranial metastases provided no additional prognostic information. Other prognostic scores for BM radiosurgery, including DS-GPA, Renal-GPA, LLV-SIR and CITV-SIR, did not add prognostic value. ARE were seldom symptomatic and were associated with tumour volume, 10-Gy volume and pre-treatment perifocal oedema. ARE were less common among patients treated with TA within one month of sf-GKRS.Conclusions: We identified three independent prognostic factors with potential impact on clinical decision making in patients with clear cell RCC BM.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- renal cell carcinoma
- kidney cancer
- stereotactic radiotherapy
- stereotactic radiosurgery
- radiosurgery
- SRS
- gamma knife
- overall survival
- prognostic factors
- gkrs
- rcc
- Oncology
- Onkologi
Publikations- och innehållstyp
- vet (ämneskategori)
- ovr (ämneskategori)