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Adrenocortical tumors (ACT) are rare neoplasms of the adrenal glands accounting for 0.2% of all pediatric cancers. However, the incidence of ACT in South Brazilian children is 10 to 15 times greater than the worldwide incidence. Comparative genomic hybridization studies have revealed the presence...
Metanephric stromal tumor is a rare benign entity belonging to the group of metanephric renal tumors in children. Although metanephric stromal tumors can be cured by simple nephrectomy, differential diagnosis based on histopathologic criteria with other pediatric renal tumors requiring aggressive...