D ifferential by N e u roanato m i c Loca l ization
The most basic distinction i n neuroanatomy is whether a lesion is located i n
the central nervous system (the brain a n d spinal cord) o r the peripheral nervous
system ( peri pheral nerves, nerve roots, neuromuscular j unction and muscle) .
Some clinical examination fi ndings are useful i n making this distinctio n . In the
example below diagnoses suggested by a given combination of exam findings
and neurologic localization are in parentheses.