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Questions and Answers
What is the only solid criterion of malignancy?
What is the only solid criterion of malignancy?
What do well-differentiated tumors, whether benign or malignant, retain?
What do well-differentiated tumors, whether benign or malignant, retain?
What term refers to the lack of differentiation in tumors?
What term refers to the lack of differentiation in tumors?
Which type of tumor is characterized by marked variation in cell and nuclear sizes, hyperchromatic nuclei, and tumor giant cells?
Which type of tumor is characterized by marked variation in cell and nuclear sizes, hyperchromatic nuclei, and tumor giant cells?
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What is the term used for the ability of malignant cells to revert to embryologic phenotypes or express proteins not elaborated by the original cell of origin?
What is the term used for the ability of malignant cells to revert to embryologic phenotypes or express proteins not elaborated by the original cell of origin?
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Study Notes
Criteria of Malignancy
- The only solid criterion of malignancy is the presence of metastasis.
Tumor Differentiation
- Well-differentiated tumors, whether benign or malignant, retain their normal tissue structure and function.
Lack of Differentiation
- The term used to describe the lack of differentiation in tumors is anaplasia.
Characteristics of Anaplastic Tumors
- Anaplastic tumors are characterized by marked variation in cell and nuclear sizes, hyperchromatic nuclei, and tumor giant cells.
Embryologic Phenotypes
- The ability of malignant cells to revert to embryologic phenotypes or express proteins not elaborated by the original cell of origin is known as dedifferentiation.
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Description
Learn about the characteristics of benign and malignant tumors, including their classification based on clinical behavior, differentiation, anaplasia, local invasion, and metastasis. Explore the differences between neoplasm types, such as epithelial and connective tissue tumors.
