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BACKGROUND: The aim of this study is to analyze the work of the interdisciplinary Brain Tumor Board (BTB) which was established at Freiburg University Hospital in 1998. PATIENTS AND METHODS: From January 1998 to December 2003, a total of 1,516 patients were discussed in 259 meetings of the BTB. The protocols of the BTB were analyzed retrospectively. RESULTS: In 79% of the patients, the diagnosis was based on histological findings or a typical radiological appearance of a lesion, or both. This group was composed of 4 subgroups: 28% benign skull base tumors (19% meningiomas, 4% pituitary adenomas, 3% acoustic schwannomas, 2% others), 24% primary brain tumors of glial origin (8% glioblastomas, 12% gliomas other than glioblastomas, 5% oligoastrocytomas or oligodendrogliomas), 19% brain metastases, and 8% other brain or skull base tumors. In 13% of the cases, the exact diagnosis was still unknown when the patient was presented. 8% of the presentations were motivated by nontumorous interdisciplinary problems (e.g. arterio-venous malformations). The recommendations given by the BTB included: 23% further diagnostic procedures (11% non-invasive examinations, 12% stereotactic biopsies), 57% active antitumoral therapy (22% resection, 17% fractionated radiotherapy, 13% radiosurgery, 5% chemotherapy, <1% embolization), 20% no treatment (14% watchful waiting, 6% supportive care). 91% of the BTB recommendations were realized within 3 months. CONCLUSION: Interdisciplinary care seems to be particularly necessary in patients with benign skull base tumors, gliomas and brain metastases. Decisions made in a small interdisciplinary group of experts have a high potential of subsequently being realized.
Lutterbach et al. (Thu,) studied this question.