Non-Hormone-Induced Mixed Epithelial and Stromal Tumor of Kidney in a Man: Description of a Rare Case

Piergiuseppe Colombo, Richard Naspro, Lucia Vallieri, Ivano Vavassori, Sergio Valenti, Carlo Galli, Massimo Roncalli

Research output: Contribution to journalArticle

Abstract

Mixed epithelial and stromal tumor of the kidney is a recently recognized category of lesions occurring mostly in adult, middle-age women with a history of hormonal treatment. We present a rare case of a 58-year-old asymptomatic man without a history of hormonal treatment with a tumor characterized by proliferation of multiple cysts lined by single layers of epithelial cells and hypercellular stroma of spindle "ovarian-like" cells. Immunohistochemically, the stromal cells reacted against estrogen and progesterone receptors, vimentin, desmin, and CD34. A follow-up computed tomography scan performed 8 months after surgical enucleation of the lesion showed no signs of recurrence.

Original languageEnglish
JournalUrology
Volume71
Issue number1
DOIs
Publication statusPublished - Jan 2008

ASJC Scopus subject areas

  • Urology

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