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Question
What are the methods of cancer detection? Describe the common approaches for treatment of cancer.
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Solution
Early detection of cancer is essential. The methods of cancer detection and diagnosis are as follows.
- Biopsy and histopathological studies of the tissue/blood/bone marrow.
- Tests for increased cell counts (in the case of leukaemia blood cancer).
- Techniques like radiography (use of X-rays), CT (computed tomography) and MRI (Magnetic Resonance Imaging) to detect cancers of the internal organs.
- Detection of cancer-specific antigens.
- Molecular biology techniques to detect genes in individuals with inherited susceptibility to certain cancers.
The common approaches for the treatment of cancer
- Surgical removal of tumour.
- Irradiation of tissue to kill cancerous cells.
- Immunotherapy using interferon to boost cancer cell killing.
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