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Mixed Epithelial and Stromal Tumor
Matthew T. Heller, MD, FSAR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Mixed epithelial and stromal tumor (MEST)
              • Synonyms

                • Formerly referred to as multilocular cyst with ovarian stroma, cystic hamartoma of renal pelvis, adult-type mesoblastic nephroma, leiomyomatous renal hamartoma
              • Definitions

                • Rare, benign cystic renal neoplasm that contains stromal and epithelial components

              IMAGING

              • General Features

                • CT Findings

                  • MR Findings

                    • Ultrasonographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        Selected References

                                        1. Wood CG 3rd et al: CT and MR imaging for evaluation of cystic renal lesions and diseases. Radiographics. 35(1):125-41, 2015
                                        2. Zou L et al: Malignant mixed epithelial and stromal tumor of the kidney: the second male case and review of literature. Int J Clin Exp Pathol. 7(5):2658-63, 2014
                                        3. Wang CJ et al: Mixed epithelial and stromal tumor of the kidney: report of eight cases and literature review. World J Surg Oncol. 11(1):207, 2013
                                        4. Zheng S et al: Mixed epithelial and stromal tumor of the kidney. Kaohsiung J Med Sci. 29(5):280-3, 2013
                                        5. Katabathina VS et al: Cystic renal neoplasms and renal neoplasms associated with cystic renal diseases in adults: cross-sectional imaging findings. J Comput Assist Tomogr. 36(6):659-68, 2012
                                        6. Raman SP et al: Beyond renal cell carcinoma: rare and unusual renal masses. Abdom Imaging. 37(5):873-84, 2012
                                        7. Wood CG 3rd et al: Mixed epithelial and stromal tumor of the kidney. J Urol. 186(2):677-8, 2011
                                        8. Chu LC et al: Mixed epithelial and stromal tumor of the kidney: radiologic-pathologic correlation. Radiographics. 30(6):1541-51, 2010
                                        9. Lang N et al: Mixed epithelial and stromal tumor of the kidney: an analysis of multidetector computed tomography manifestations and clinicopathologic findings. J Comput Assist Tomogr. 34(2):177-81, 2010
                                        10. Sahni VA et al: Mixed epithelial and stromal tumour of the kidney: imaging features. BJU Int. 105(7):932-9, 2010
                                        Related Anatomy
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                                        Related Differential Diagnoses
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                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Top Differential Diagnoses

                                              • Pathology

                                                • Clinical Issues

                                                  • Diagnostic Checklist

                                                    TERMINOLOGY

                                                    • Abbreviations

                                                      • Mixed epithelial and stromal tumor (MEST)
                                                    • Synonyms

                                                      • Formerly referred to as multilocular cyst with ovarian stroma, cystic hamartoma of renal pelvis, adult-type mesoblastic nephroma, leiomyomatous renal hamartoma
                                                    • Definitions

                                                      • Rare, benign cystic renal neoplasm that contains stromal and epithelial components

                                                    IMAGING

                                                    • General Features

                                                      • CT Findings

                                                        • MR Findings

                                                          • Ultrasonographic Findings

                                                            • Imaging Recommendations

                                                              DIFFERENTIAL DIAGNOSIS

                                                                PATHOLOGY

                                                                • General Features

                                                                  • Gross Pathologic & Surgical Features

                                                                    • Microscopic Features

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Demographics

                                                                          • Natural History & Prognosis

                                                                            • Treatment

                                                                              Selected References

                                                                              1. Wood CG 3rd et al: CT and MR imaging for evaluation of cystic renal lesions and diseases. Radiographics. 35(1):125-41, 2015
                                                                              2. Zou L et al: Malignant mixed epithelial and stromal tumor of the kidney: the second male case and review of literature. Int J Clin Exp Pathol. 7(5):2658-63, 2014
                                                                              3. Wang CJ et al: Mixed epithelial and stromal tumor of the kidney: report of eight cases and literature review. World J Surg Oncol. 11(1):207, 2013
                                                                              4. Zheng S et al: Mixed epithelial and stromal tumor of the kidney. Kaohsiung J Med Sci. 29(5):280-3, 2013
                                                                              5. Katabathina VS et al: Cystic renal neoplasms and renal neoplasms associated with cystic renal diseases in adults: cross-sectional imaging findings. J Comput Assist Tomogr. 36(6):659-68, 2012
                                                                              6. Raman SP et al: Beyond renal cell carcinoma: rare and unusual renal masses. Abdom Imaging. 37(5):873-84, 2012
                                                                              7. Wood CG 3rd et al: Mixed epithelial and stromal tumor of the kidney. J Urol. 186(2):677-8, 2011
                                                                              8. Chu LC et al: Mixed epithelial and stromal tumor of the kidney: radiologic-pathologic correlation. Radiographics. 30(6):1541-51, 2010
                                                                              9. Lang N et al: Mixed epithelial and stromal tumor of the kidney: an analysis of multidetector computed tomography manifestations and clinicopathologic findings. J Comput Assist Tomogr. 34(2):177-81, 2010
                                                                              10. Sahni VA et al: Mixed epithelial and stromal tumour of the kidney: imaging features. BJU Int. 105(7):932-9, 2010