Hippocampal sparing during Craniospinal irradiation, what did we learn about the incidence of peri hippocampus metastases?

Whole brain irradiation (WBI) plays a role in neurocognitive effects.New technologies make WBI possible while sparing the hippocampal region (HA-WBI).As already done in adult population with primary carcinoma, to safety propose HA-WBI, our study aimed to assess the distribution of brain metastases within the peri hippocampal area (PHA) in high-risk medulloblastoma children.In conclusion, we recommend to evaluate HA-WBI strategy for subgroup of high risk patients without metastatic disease

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