Benign mixed epithelial and stromal tumor of the kidney (MEST) with cytogenetic alteration

摘要

Benign mixed epithelial and stromal tumor of the kidney (MEST) is a new, rare entity. These tumors are composed of two components: a stromal and an epithelial one,. Clinical outcome is usually good, no specific cytogenetic alterations have been described up to now.We describe for the first time a case with translocation t (1; 19).