ReproHistoFinal3a

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Author:
kjschult
ID:
183989
Filename:
ReproHistoFinal3a
Updated:
2012-11-16 13:49:54
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ReproHistoFinal3a
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ReproHistoFinal3a
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  1. What is this?

    Ovarian cystadenocarcinoma that has metastasized to the omentums
  2. What is this?
    Ovarian cystadenocarcinoma metastatic to bowel wall
  3. What is this?
    ovarian mucinous adenocarcinoma
  4. What is this? Is it benign or malignant?
    Ovarian mucinous cystadenoma: benign
  5. What is this? Is it malignant or benign?
    Ovarian mucinous cystadenoma: benign
  6. What is this? Is it benign or malignant?
    Ovarian mucinous cystadenoma: benign
  7. What is on the left? The right? Which one is malignant? Benign?
    • Left: Ovarian mucinous cystadenocarcinoma: malignant
    • Right: Ovarian mucinous cystadenoma: benign
  8. What is this?

    ovarian mucinous cystadenocarcinoma
  9. What is this?

    Ovarian mucinous cystadenocarcinoma: metastatic to peritoneum
  10. What is this?

    Appendiceal mucinous adenocarcinoma
  11. What is this? What cell type lines the cyst?
    Mucinous cystadenocarcinoma: a multiloculate tumor (in this case) with cysts of varying sizesCyst lining cells: tall columnar epithelium with apical mucin
  12. What is this? What are the cells attached to and why is it significant? How can these implant elsewhere or spread?
    • Papillary serous cystadenocarcinoma: note the frond-like excrescences formed by the tumor
    • The fronds of malignant tumor cells are attached to: delicate fibrovascular cores, and it is relevant because these cells secreted the watery fluid that filled the tumor
    • Tumors like these can invade through the wall of the ovary and implant throughout the peritoneal cavity
    • May spread via hematogenous or lymphatic routes
  13. What is this? From what cell type is it derived? Are they mature or immature? What is the most common element? What special feature is seen in these?

     
    • Mature cystic teratoma
    • Derived from: pluripotential germ cells
    • Mature: and menign; they have tissue elements from ectodermal, mesodermal, and endodermal origin
    • Most common element present: Skin, complete with hair follicles and sebaceous glands
    • Special feature: Rokitansky nodule, often contains a tooth
  14. What is this? What do you see here (be specific)?
    Mature teratoma with glandular epithelium (endoderm)
  15. What is this? What do you see here (be specific)?
    Mature cystic teratoma with squamous epithelial tissue (ectoderm)
  16. What is this? What do you see here (be specific)?
    Mature cystic teratoma with glandular epithelium (endoderm)
  17. What is this? What do you see here (be specific)?
    Mature cystic teratoma with cartilage (mesoderm)
  18. What is this?

    Immature teratoma with immature neural elements
  19. What is this?

    Malignant teratoma with invasive squamous cell carcinoma
  20. What is this? What is the male counterpart called? Is it radiosensitive? In what age bracket are these usually found? What are histological characteristics of this tumor?
    • Dysgerminoma of the ovary (a germ cell tumor)
    • Male counterpart: Testicular seminoma (the two have identical histologies)
    • Age bracket: 2nd-3rd decades of life
    • Histo char: malignant cells with "fried egg" appearance (clear cytoplasm with enlarged nuclei and prominent nucleoli) and infiltration by mature lymphocytes (T cells)
  21. What is this?
    Ovarian dysgerminoma
  22. What are these?

    Ovarian dysgerminomas (females) or seminomas (male)

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