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Questions and Answers
What is the characteristic route of metastasis for carcinomas?
What is the characteristic route of metastasis for carcinomas?
- Lymphatic spread (correct)
- Seeding of body cavities
- Direct invasion of adjacent tissues
- Hematogenous spread
What is the initial site of spread for lymphatic metastasis?
What is the initial site of spread for lymphatic metastasis?
- Bone marrow
- Liver
- Lungs
- Regional draining lymph nodes (correct)
Which molecule downregulation leads to dissociation of attached epithelial tumor cells?
Which molecule downregulation leads to dissociation of attached epithelial tumor cells?
- Collagenase
- Fibronectin
- E-cadherin (correct)
- Laminin
What is the characteristic route of metastasis for sarcomas and some carcinomas?
What is the characteristic route of metastasis for sarcomas and some carcinomas?
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Which type of carcinoma often involves the peritoneum?
Which type of carcinoma often involves the peritoneum?
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What is a key characteristic of malignant tumors?
What is a key characteristic of malignant tumors?
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What is a characteristic feature of benign tumors?
What is a characteristic feature of benign tumors?
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What is the hallmark of malignancy?
What is the hallmark of malignancy?
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What is the purpose of immunohistochemistry in tumor characterization?
What is the purpose of immunohistochemistry in tumor characterization?
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What is the importance of grading in cancer assessment?
What is the importance of grading in cancer assessment?
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