Complete (radical) nephrectomy is surgery to remove all of a kidney. Kidney-sparing surgery (partial nephrectomy) removes part of a kidney.
White matter signal changes on the MRI essentially means that on the MRI, the white matter showed some scattered bright spots. White matter in the brain refers to the fiber tracts that carry information to and fro from the brain. My first question when somebody asks me what next and what does this mean is to ask them why was the MRI done in the first place.
white matter. myelinated. Consists of tracts that take information from deeper regions of the brain to the cerebral cortex for processing. From quizlet: The portions of the central nervous system that are abundant in axons rather than cell bodies of neurons. The color derives from the presence of the axon's myelin sheaths *white matter in cerebrum and cerebellum is on the INSIDE.