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Epithelioid trophoblastic tumor: a case report
  1. C. Lo*,
  2. I. Low,
  3. A. L. Tan* and
  4. J. Baranyai
  1. * Department of Gynaecology Oncology, National Women's Hospital, Auckland, New Zealand
  2. Department of Anatomical Pathology, National Women's Hospital, Auckland, New Zealand
  1. Address correspondence and reprint requests to: Dr Irene Low, MBChB, Department of Anatomical Pathology Auckland City Hospital, LabPlus, P.O. Box 110031, Auckland, New Zealand. Email: irenel{at}


Epithelioid trophoblastic tumor is a rare and distinctive pathologic entity within the complex family of gestational trophoblastic disease. We describe a case of epithelioid trophoblastic tumor occurring in a 34-year-old woman, who presented with a large uterine tumor 3 years following an uncomplicated pregnancy. The clinicopathologic findings in this case are typical of this unusual entity and consistent with current literature, with the exception of negative beta-human chorionic gonadotrophin levels. The distinguishing features from other intermediate trophoblastic tumors and tumor-like lesions are discussed.

  • Epithelioid trophoblastic tumor
  • gestational trophoblastic disease
  • human chorionic gonadotophin
  • intermediate trophoblasts
  • pregnancy

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