Human Health and Disease — BIOLOGY STD 12 Science — Question

→Detection of Cancer:
→Biopsy and histopathological study
(a) Tissue and blood and bone marrow tests for increased cell counts (leukemias);
(b) Biopsy of a piece of the suspected tissue cut into thin sections is stained and examined under microscope (histopathological studies) by a pathologist.
→Radiography like X-rays, CT (computerized tomography)
(a) CT Scan :Computed tomography uses X-rays to generate a three-dimensional image of the internals of an object.
(b) Used to detect cancers of the internal organs.
(c) MRI (magnetic resonance imaging) uses strong magnetic fields and non-ionizing radiations to accurately detect pathological and physiological changes in the living tissue.
→Use of antibodies against cancer - specific antigen