Question

name any two techniques that are useful in detecting cancers of internal organs ​

Answer 1

Answer:

Magnetic Resonance Imaging (MRI) is a procedure that uses powerful magnetic fields. Positron Emission Tomography (PET) is based on the faster metabolic rate of cancer cells compared to normal cells. Ultra sound examination is useful for examining the cervix, pancreas, liver and kidneys.

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Answer 2

Early detection of cancers is very must as it allows the disease to be treated successfully in many cases.

Some techniques for cancer detection and diagnosis are as follows:-

(1) Blood examination:-

(a) This is the test for increased WBC counts in the case of leukemias.

(b) Detection of the tumor markers like-α-feto protein (AFP) for liver cancer, PSA (Prostate specific antigen) for prostate cancer, alkaline phosphatase for bone metastasis.

2. Biopsy:-

A piece of the suspected tissue is cut into thin sections, stained and is examined under microscope.This is generally a histopathological study by a pathologists

F.N.A.C.:- It means Fine needle aspiration cytology like breast cyst / tumour. In this technique fluid is collected from tumors and then examined for presence of cancer cells.