Rare histological finding of a malignant tumor arising from renal endometriosis

Abstract

Renal endometriosis is a very rare disease. Its malignant transformation is even rarer.

We present an extremely uncommon case of a mixed mesenchymal and epithelial tumor - Müllerian carcinosarcoma arising from an endometriosis of a kidney.

Keywords

• extragonadal endometriosis
• maligmant transformation
• Müllerian carcinosarcoma
• kidney tumor