Abstract
The capillary phase, the cerebrogram, is a most useful diagnostic aid in children during cerebral angiography.It demonstrates the gross ventricular size and normal vascular structures within the cerebral hemispheres. Subtraction is essential for this demonstration and, in particular, electronic subtraction, both for its rapidity and ready facility for instant control of the optimal density and contrast of the subtraction picture.The displacement of the cerebrogram is a useful diagnostic adjunct to the displacement of arteries and veins by cerebral mass lesions in children. Fine tumor vessels within childhood cerebral tumors are readily visible during this phase.A similar phenomenon is infrequently present in the cervical cord and medulla during selective vertebral angiography, thus producing a spinal cordogram.
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