Myoepithelial carcinoma or epithelioid sarcoma – A rare diagnosis with poor prognosis. A case report and review of literature

Kristina Khazeni, Hannah LaBove, Breelyn Wilky, Andrew E. Rosenberg, Elizabeth Paulus, Harvey Chim, Joseph M. Pearson, Danny Yakoub

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Introduction: Myoepithelial carcinoma and proximal-type epithelioid sarcoma of the vulva are two rare malignancies with known aggressive behavior. In addition to a similar clinical course, these two disease entities also have significant histologic and pathologic overlap. Given the rarity of these malignancies, there is limited literature on the appropriate treatment regimen. Nevertheless, there is a consensus that early surgical resection is beneficial in both cases. Presentation: We present a case of a patient who was initially diagnosed with myoepithelial carcinoma of the vulva with a differential later expanded to include possible epithelioid sarcoma. Discussion: We demonstrate the importance in early identification of a SMARCB1 deficiency. Additionally, we suggest an appropriate treatment regimen for these patients going forward. Specifically, we encourage consideration of bilateral superficial and deep inguinal lymphadenectomies. Furthermore, sarcoma based chemotherapy regimens in the appropriate clinical setting may be beneficial in treating SMARCB1 deficient tumors. Additionally, there are now clinical trials involving EZH2 Inhibitors which may offer benefit for similar patients going forward. Conclusion: This case highlights the difficulty in making a definitive diagnosis, and the importance in identifying a SMARCB1 deficiency as it will affect treatment options and may allow for enrollment in ongoing clinical trials.

Original languageEnglish
Pages (from-to)239-243
Number of pages5
JournalInternational Journal of Surgery Case Reports
StatePublished - Jan 1 2018


  • Case report
  • EZH2 inhibitor
  • Epithelioid sarcoma
  • Myoepithelial carcinoma
  • SMARCB1 deficiency


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