Ovary tumor
Germ cell tumors
Embryonal carcinoma

Authors: Shahrzad Ehdaivand, M.D. (see Authors page)

Revised: 2 June 2016, last major update December 2012

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PubMed search: Ovarian embryonal carcinoma
Cite this page: Embryonal carcinoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/ovarytumorembryonal.html. Accessed December 9th, 2016.
Definition / General
  • Similar to testicular embryonal carcinoma
  • Median age 15 years, patients often present with precocious puberty, also vaginal bleeding, amenorrhea and hirsutism
  • Serum hCG always high (positive pregnancy test), AFP sometimes high
Gross Description
  • Median 17 cm, smooth and glistening, variegated cut surface with extensive hemorrhage and necrosis
Micro Description
  • Sheets and nests of large primitive cells, occasional papillae and abortive glands
  • Syncytiotrophoblast-like tumor cells seen (hCG+)
Micro Images

Images hosted on PathOut server:

Papillary pattern

Irregular slit-like spaces

Solid aggregates

Syncytiotrophoblastic giant cells (SGCs)