The Diagnostic Minute

Synopsis: Immature Teratoma of the Ovary (00:02:30)

EssentialPathology, NNMI Season 2026 Episode 19

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0:00 | 2:30

Key Feature Summary of Ovarian Immature Teratoma

  • Malignant tumor containing embryonic-type tissues
  • Typically large, solid-and-cystic mass with necrosis
  • Presence of immature neuroepithelial tubules and rosettes
  • Grading based on the quantity of immature neuroectoderm
  • Frequent mitoses and single-cell apoptosis
  • Associated with elevated serum alpha-fetoprotein
  • Potential for extraovarian spread, such as gliomatosis peritonei

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