Ch12: Neoplasia Part II Flashcards Preview

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Flashcards in Ch12: Neoplasia Part II Deck (12)
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1
Q

What are the 3 main categories of neoplasms?

A
  1. Benign
  2. Low malignant potential
  3. Malignant
2
Q

Classification criteria for benign vs. malignant? (5)

A
Growth Characteristics
Rate of Proliferation and Cell Death
Differentiation
Invasion
Metastasis
3
Q

Differentiate benign and malignant based on growth pattern?

A

Benign: Expansive
Malignant: Infiltrative

4
Q

Differentiate benign and malignant based on rate of growth

A

Benign: Slow
Malignant: fast

5
Q

Differentiate benign and malignant based on differentiation?

A

Benign: Very well differentiated
Malignant: Poorly differentiated to well

6
Q

Differentiate benign and malignant based on metastasis?

A

Benign: none
malignant: typical

7
Q

What are the two types of benign neoplasms based on histogenesis?

A

Benign epithelial neoplasm

Benign mesenchymal neoplasm

8
Q

What are the four types of benign neoplasms based on histogenesis and cellular features?

A

Malignant epithelial neoplasm: Carcinoma
Malignant mesenchymal neoplasm: Sarcoma
Malignant neoplasm of lymphoid cells: Lymphoma
Malignant neoplasm of blood elements: Leukemia

9
Q

Where do leukemias arise?

What will you see?

A

Within the marrow

see malignant cells within the blood

10
Q

Where do lymphomas arise?

A

Lymph node

see malignant cells in tissues

11
Q

A squamous cell carcinoma appears what color?

What other features? (4)

A

Eosinophilic: Pink

Keratin: Keratin pearl
Dark nucleus
IC clear spaces
IC bridges

12
Q

Adenocarcinoma appear how?

A
  1. Acentral nuclei
  2. no desmosomes
  3. Forms glands with lumens
  4. Keratin