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प्रश्न
What are the methods of cancer detection? Describe the common approaches for treatment of cancer.
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उत्तर
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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संबंधित प्रश्न
Name any two techniques that are useful in detecting cancers of internal organs.
Why are cancer patients often given α-interferon as part of the treatment?
Name the main five types of cancer.
Carcinoma is cancer of ______ cells.
Inactive gene that can cause cancer is called ______.
antiviral proteins released by cells infected by the virus are called ______.
Enlist any four therapies used to treat a cancer patient.
Which type of cancer affects lymph nodes and spleen?
Cancer of the epithelial cells is called ______.
In leukemia both WBCs and RBCs increase in number.
Carcinogens are cancer causing agents.
Blood cancer is called ______.
Cancers of connective tissues are called ______.
Stomach cancer is characterised as ______.
In malignant tumors, the cells proliferate, grow rapidly and move to other parts of the body to form new tumors. This stage of disease is called ______.
Treatment of cancer by X-rays or gamma rays is ______.
Immunotherapy these days is one of the most efficient ways of treatment of cancer. The therapy involved activates the immune system and destroys the tumour.
- Write an example of one such biological response modifier used in immunotherapy.
- Why do patients need such substances if immune system is already working in body?
- State what is 'Contact inhibition'.
Cells of malignant tumor spread from one organ to other via blood or lymph and cause new tumor. This property is called ______.
