Microscopic Features and Rate of Growth of Tumors

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What is the term used to describe the variation in size and shape of cells within a neoplasm?

Anaplasia

Pleomorphism (correct)

Metaplasia

Hyperplasia

Which feature is characteristic of poorly differentiated tumors?

Normal architectural arrangement

Abnormal nuclear morphology (correct)

Loss of pleomorphism

Low mitotic activity

In general, which type of tumor has a slower rate of growth compared to moderately and poorly differentiated malignant tumors?

Well-differentiated malignant tumors

Poorly differentiated malignant tumors

Moderately differentiated malignant tumors

Benign tumors (correct)

What factor can affect the growth rate of tumors besides differentiation?

Blood supply Signup and view all the answers

Which type of neoplasm is circumscribed, often encapsulated, and pushes normal tissue aside?

Benign neoplasm Signup and view all the answers

What is the term for the process where benign neoplasms remain localized to the site of origin?

Encapsulation Signup and view all the answers

Which feature distinguishes benign from malignant neoplasms based on the text?

Frequent ulceration Signup and view all the answers

What feature is used to determine the tumor grade based on the text?

Differentiation and Anaplasia Signup and view all the answers

Which characteristic is indicative of a well-differentiated tumor with the best prognosis?

Similarity to tissue of origin Signup and view all the answers

In terms of the growth pattern, what feature would be more common in malignant neoplasms?

Frequent growth spread Signup and view all the answers

How does undifferentiated neoplasm differ from well-differentiated ones?

Categorized to a particular cell type Signup and view all the answers

Which feature distinguishes benign and malignant tumors based on their rate of growth?

Fast growth rate Signup and view all the answers

Which of the following characteristics is NOT typically seen in malignant cells?

Even chromatin distribution Signup and view all the answers

What distinguishes carcinoma in situ from invasive carcinoma?

Invasion beyond the basement membrane Signup and view all the answers

Which of the following nuclear characteristics is indicative of pre-malignant changes in cells?

Uneven chromatin distribution Signup and view all the answers

What feature differentiates carcinoma in situ from normal epithelium?

Tumor invasion of subepithelial stroma Signup and view all the answers

Which growth pattern is typically observed in dysplastic cells?

Failure of normal differentiation Signup and view all the answers

What distinguishes benign cells from malignant cells in terms of mitotic activity?

Increased mitotic activity Signup and view all the answers