An acute cerebellar hemorrhage in a 14-year-old girl was found to be caused by bleeding that had occured in an occult cerebellar astrocytoma. Such symptomatic hemorrhage into tumors, whether of… (More)
The use of X-ray diffraction to identify crystals from the fluid obtained from a brain tap is illustrated. The procedure for making this type of analysis is described and a very brief description of… (More)