ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Stereotactic biopsy of brain tumour. Coloured computed tomography (CT) scan of stereotactic surgery being used to locate and take a biopsy of a tumour in the brain of a 54-year-old patient. Stereotactic surgery, or stereotaxy, is a minimally invasive surgical technique that uses a three-dimensional coordinate system to locate and access small targets inside the body.
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