BSIP, CC STUDIO / SCIENCE PHOTO LIBRARY BSIP, CC STUDIO / SCIENCE PHOTO LIBRARY
Brain biopsy. Patient prepared for a brain tissue biopsy operation. The frame is screwed into the patient's skull to provide support for the tools to be used in the operation. This is a stereotaxic operation: the head of the patient has been scanned using medical imaging techniques to determine the ideal area to take the biopsy from. This reduces the chance of damaging healthy brain tissue. A hole is drilled into the skull and the frame is adjusted to guide the biopsy needle into the correct area. Tissue is removed and then analysed to establish a diagnosis. Brain biopsies are most frequently performed in cases of suspected brain tumour.
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