Non invasive diagnostic techniques, like MRI, Ultrasound, CT or PET, are very useful but in some cases when a suspicious abnormality (lesion) is discovered a doctor may perform a biopsy to determine its exact characteristics. A biopsy is the removal of either a portion of a lesion (incisional) or the entire lesion (excisional). The tissues is then sent to a lab where a pathologist will diagnose the sample. There are two categories of biopsies.
This section contains information on:
To learn more about these two types of biopsy, view their individual sections
Click on the image to view a documentary on biopsies, using breast biopsy as an example.
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