College of American Pathologists
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2008 — April Case of the Month

Updated April 4, 2008


CAP Foundation April 2008 Online Case of the Month

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A 24-year-old woman presented with abdominal pain. On examination, a left adnexal mass was palpated. Received was a 11 cm, 667 gm mass. On cut section, the tumor was yellow, predominantly solid, and had multiple small cysts containing hemorrhagic and mucoid material.

The master list with the correct answer

  • Choriocarcinoma
  • Dysgerminoma
  • Embryonal carcinoma
  • Endometrioid carcinoma, secretory pattern
  • Embryonal carcinoma
  • Serous tumor of borderline malignancy
   (low malignant potential)

  • Yolk sac tumor (endodermal sinus tumor)

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  • Appropriate diagnosis
  • Critique
  • References

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