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How is tissue obtained for pathology examination?

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The pathologist examines cells or tissues obtained during a biopsy (a procedure that removes a cell or tissue specimen for examination by a pathologist ) or surgery, as well as cells or tissues obtained from bodily fluids. In most cases, a biopsy or surgery is required to remove cells or tissues for examination under a microscope . The following are some common methods for performing a biopsy: To remove tissue or fluid, a needle is used. An endoscope (a thin, lighted tube) is used to examine and remove cells or tissues from inside the body. Surgery is used to remove a portion or the entire tumour. When the entire tumour is removed, some normal tissue around the tumour is usually removed as well. Tissue removed during a biopsy is sent to a pathology laboratory and sliced into thin sections for examination under a microscope. This is known as a histologic (tissue) examination and is usually the most accurate way of determining the presence of cancer. Pathologists may also ...