Which of the following is the most definitive criterion used to distinguish a malignant tumor from a benign tumor?
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Correct answer: Evidence of metastasis
Metastasis is the most reliable sign of malignancy, as benign tumors never metastasize. While rapid growth and mitosis can occur in both, only malignant cells have the ability to implant in non-contiguous sites.
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More Benign and Malignant Tumors questions
- What does the term 'anaplasia' specifically refer to in the context of neoplasia?
- Which of the following describes the macroscopic growth pattern typically associated with benign tumors?
- A tumor is described as being 'well-differentiated.' What does this indicate about its biological behavior?
- Which of the following features is a common nuclear change seen in malignant cells but rarely in benign ones?
- The term 'Carcinoma' specifically refers to a malignant tumor arising from which tissue type?
- Which of the following is an example of a 'benign-sounding' name that actually refers to a highly malignant tumor?