Other methods of surgical treatment are destructive, ie involve the destruction of the fibers of the trigeminal nerve or other structures involved in the process.
Radiosurgery. In this procedure, a focused radiation exposure to the trigeminal nerve root is performed. This technique uses radiation to destroy the trigeminal nerve and reduce or stop the transmission of pain impulses. The effect is gradual, which can take several weeks. After the procedure, numbness of half of the face occurs, which persists for a long time. In case of recurrence and recovery of pain, the procedure is repeated.
The undoubted advantage and plus of the procedure is its painlessness and the absence of the need for hospitalization and surgery. Among the disadvantages - the high cost, and the fact that it does not eliminate the cause of the disease - compression of the nerve root. The destructive nature of the procedure, in case of its ineffectiveness, significantly reduces or nullifies the effectiveness of possible microvascular decompression. Sometimes there may be increased pain on the background of numbness of the face - the so-called "painful painful anesthesia" - "anesthesia dolorosa"
Other procedures that can be used to treat trigeminal neuralgia are called "rhizotomy" or "ablation", ie - "destruction". At a rhizotomy, the surgeon destroys nerve fibers, which leads to numbness of the face.
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