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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
Cancer is one of the most dreaded diseases. Explain 'Contact inhibition' and 'Metastasis' with respect to the disease
What is a carcinogen?
Give the symptoms of cancer.
Carcinoma is cancer of ______ cells.
Inactive gene that can cause cancer is called ______.
Enlist any four therapies used to treat a cancer patient.
- How is a tumor formed in the body?
- What are the two types of tumor?
- Which of these under goes metastasis?
In leukemia both WBCs and RBCs increase in number.
Carcinogens are cancer causing agents.
Chemotherapy: Chemicals: Radiation therapy: ______.
How is a cancer cell different from a normal cell?
Cancers of connective tissues are called ______.
One of the following is INCORRECT about cancer cells.
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 ______.
The immune system of a person is suppressed. In the ELISA test, he was found positive to a pathogen.
- Name the disease the patient is suffering from.
- What is the causative organism?
- Which cells of body are affected by the pathogen?
If a patient is advised Anti Retroviral Therapy, which infection is he suffering from? Name the causative organism.
In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.
Fill in (1) and (2)
Why is the virus called retrovirus?
Can the infected cell survive while viruses are being replicated and released?
What is cancer? How is a cancer cell different from the normal cell? How do normal cells attain cancerous nature?
Genes involved in cancer are ______.
Cells of malignant tumor spread from one organ to other via blood or lymph and cause new tumor. This property is called ______.
