Ovarian Tumors Classification
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Questions and Answers

Where do most primary ovarian neoplasms arise from?

  • Germ cells
  • Stromal cells
  • Surface/fallopian tube epithelium (correct)
  • Endometriosis
  • Which component of the ovary gives rise to the endocrine apparatus of the postnatal ovary?

  • Germ cells
  • Sex cords
  • Müllerian epithelium
  • Stromal cells (correct)
  • Which tumors arise from müllerian epithelium?

  • Secondary tumors
  • Borderline tumors
  • Stromal tumors
  • Epithelial tumors (correct)
  • Which factor(s) are used to classify epithelial tumors of the ovary?

    <p>Differentiation and extent of proliferation</p> Signup and view all the answers

    What are the three major histologic types of epithelial tumors based on the differentiation of the neoplastic epithelium?

    <p>Serous, mucinous, endometrioid</p> Signup and view all the answers

    How are borderline tumors and malignant tumors of the ovary different from benign tumors?

    <p>They may have a cystic component</p> Signup and view all the answers

    Which type of ovarian tumors account for approximately 40% of all cancers of the ovary?

    <p>Serous tumors</p> Signup and view all the answers

    What percentage of ovarian tumors are benign or borderline?

    <p>70%</p> Signup and view all the answers

    What distinguishes high-grade serous carcinoma from low-grade serous carcinoma histopathologically, based on the MDacc two-tier grading system?

    <p>Frequent mitotic figures and nuclear pleomorphism</p> Signup and view all the answers

    Between what ages are benign and borderline ovarian tumors most common?

    <p>Between 20 and 45 years</p> Signup and view all the answers

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