5 Questions
What is the characteristic of a benign tumor?
It is not capable of indefinite growth and the host survives
What may lead to the uncontrolled growth of normal cells, leading to tumor formation?
Exposure to chemical carcinogens or certain viruses
What evidence suggests that tumors can elicit an immune response?
Tumors with severe mononuclear cell infiltration have a better prognosis
What is the rationale for tumor immunotherapy?
To use immune system components to target and kill tumor cells
What defines a malignant tumor?
It continues to grow indefinitely and spreads
Study Notes
Tumor Characteristics
- A benign tumor is a non-cancerous growth that does not invade nearby tissue or spread to other parts of the body.
Tumor Formation
- Uncontrolled growth of normal cells can lead to tumor formation, which may be triggered by genetic mutations, ionizing radiation, or certain viruses.
Immune Response to Tumors
- Evidence suggests that tumors can elicit an immune response, as tumor-specific antibodies and cytotoxic T cells have been detected in cancer patients.
Tumor Immunotherapy
- The rationale for tumor immunotherapy is based on the idea that the immune system can be stimulated to attack and destroy cancer cells.
Malignant Tumors
- A malignant tumor is a cancerous growth that can invade surrounding tissues and spread to other parts of the body, leading to secondary tumors.
Test your knowledge of immune reactivity to tumors, changes in cellular characteristics due to malignancy, host components affecting tumor progression, and more in this quiz based on the course 'Tumor Immunology (MBChB 3 Term II (2018)).'
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