The use of stereotactically guided radiation for the treatment
of trigeminal neuralgia. Stereotactic describes a method in
neurosurgery and neurological research for locating points
within the brain using an external, three-dimensional frame of
reference usually based on a map/atlas (defined coordinate
system). Stereotactic radiosurgery is performed as an outpatient
procedure. The procedure is noninvasive and there is a low
complication rate. Magnetic resonance imaging is used to
identify the trigeminal nerve. A single radiation beam is aimed
at the appropriate target. Over a period of time and as a result
of exposure to the radiation the slow formation of a lesion in
the nerve interrupts transmission of pain signals to the brain.
An increase in facial skin sensation, such as burning,
prickling, itching, or tingling, with no apparent physical cause
and a decrease in sensation. Risk of Radiosurgery Delayed pain
relief.