Brain Metastasis and Radiotherapy Due to Childhood Clear Cell Sarcomas of the Kidney: A Case Report and Brief Review

Brain metastases of solid tumors in childhood are rare events. Clear cell sarcomas of the kidney, which are among the causes of brain metastasis observed in this age group, constitute only 2-3% of kidney tumors. Even though clear cell sarcoma of the kidney and their metastases are rarely seen, they have a poor prognosis. In this case report and a brief review of the relevant literature, we aimed to summarize the diagnosis, follow-up, and treatment processes of pediatric cases with brain metastasis due to clear cell sarcoma. Changing of clear cell sarcoma treatment planning in recent years and the possibility of difference in relapsing pattern because of this change are also mentioned in this review.