Abstract
The aim of this study on malignant germ cell tumors metastasizing to the brain is (a) to report our institutional experience, (b) to present three patients surviving for more than seven years, and (c) to review the literature with regard to long-term survival.
From 1985 to 2000, 916 consecutive patients were treated with whole brain radiation therapy for brain metastases at our hospital. Eleven patients had cerebral lesions from histologically proven malignant germ cell tumors. Brain metastases were diagnosed at presentation (n = 2), following complete remission (n = 3), or along with extracerebral tumor progression (n = 6). Seven patients had a single brain metastasis. Three patients underwent resection. Eight patients reached the planned total dose of 50 Gy. Eight patients had chemotherapy.
Median survival was 6.6 months. The long-term survivors all had an isolated cerebral relapse after complete remission, presented with a single brain metastasis, and were treated with resection and whole brain radiation therapy to a total dose of 50 Gy. The first patient died from a late relapse 89 months after the diagnosis of brain metastasis, the second patient is well and alive at 95 months. The third patient is currently being treated for a second malignancy originating from the lung. He is alive at 194 months, the longest survival for brain metastases from malignant germ cell tumors ever reported.
Altogether, our study demonstrates that advanced extracerebral disease at initial diagnosis and isolated cerebral relapse after complete remission do not preclude long-term survival. Resection and whole brain radiation therapy might result in durable cerebral control with minimal morbidity.
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Lutterbach, J., Spetzger, U., Bartelt, S. et al. Malignant Germ Cell Tumors Metastatic to the Brain: A Model for a Curable Neoplasm? The Freiburg Experience and a Review of the Literature. J Neurooncol 58, 147–156 (2002). https://doi.org/10.1023/A:1016009432387
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DOI: https://doi.org/10.1023/A:1016009432387