Which one of the following techniques is the safest for detection of cancers?

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Magnetic resonance imaging (MRI)

Radiography (X-ray)

Computed tomography (CT)

Histopathological studies

answer is A.

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Detailed Solution

Cancer is one of the most dreaded diseases of human beings, and is a major cause of death all over the globe.

There are so many techniques to detect cancer. Techniques such as radiography (use of X-rays), CT (computed tomography ) and MRI (magnetic resonance imaging) are very useful to detect cancers of internal organs. Computed tomography uses X-rays to generate a three-dimensional image of the internals of an object. MRI uses strong magnetic fields and non-ionising radiations to accurately detect pathological and physiological changes in living tissue.

Among these techniques, MRI is one of the safest techniques as the risk factors are low.

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