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Abstract
Metastasic lesions in posterior fosa in with
leptomeningeal association in patients with
breast cancer are unusual, with a mean survival
after treatment of 4 to 6 months. Literature
describe different treatment options. This
location could be difficult and can involve vital
structures in Central Nervous System (CNS),
requiring opportune treatment, and then avoiding
complications related with the prognosis and
survival. The case is reported on a 57 yearsold woman with an unique metastasic lesion in
the superior aspect of cerebellar vermis with
leptomeningeal infiltration associated, treated
with unique dose radiosurgery. We follow up the
patient for 10 months and we notice clinical and
neurological improvement
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