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Specifically, in clinical medicine, histopathology refers to the examination of a biopsy or surgical specimen by a pathologist, after the specimen has been processed and histological sections have been placed onto glass slides. In contrast, cytopathology examines free cells or tissue fragments.he second method of histology processing is called frozen section processing. This is a highly technical scientific method performed by a trained histoscientist (a Medical Laboratory scientist specialist in Histopathology.
To see the tissue under a microscope, the sections are stained with one or more pigments. The aim of staining is to reveal cellular components; counterstains are used to provide contrast. The most commonly used stain in histopathology is a combination of hematoxylin and eosin (often abbreviated H&E).he second method of histology processing is called frozen section processing. This is a highly technical scientific method performed by a trained histoscientist (a Medical Laboratory scientist specialist in Histopathology.