JOURNAL ARTICLE

[Neuralgias of the lower cranial nerves: microsurgical posterior fossa exploration]

B Antić, P Perić, S Ivanović, M Spaić
Acta Chirurgica Iugoslavica 2004, 51 (4): 39-43
16018407
Neuralgias of the lower cranial nerves are trigeminal neuralgia (TN), glossopharingeal neuralgia (GphN), and geniculate neuralgia (GN). Microsurgical posterior fossa exploration with its variations microvascular decompression (MVD), partial sensory rhisotomy (PSR), and total sensory rhisotomy (TSR) is one of the most efficient ways of treating these neuralgias. It was performed 130 operations in 125 patients with TN, 3 in GphN patients, 1 in GN patient, 1 in GN/TN patients, 1 in GphN/GN patient, and 2 in GN/hemifacial spasm patients. Of total of 125 patients with TN, MVD was performed in 63, PSR in 18, and MVD+PSR in 44 cases. In 5 patients with recidivate TN PSR was performed. Of total 3 patients with GphN MVD was performed in 2 cases, and extirpation of a small meningeoma in 1 case (it was not seen on CT). In the patients with GN TSR of intermediate nerve was performed, in GN/TN patients TSR of intermediate nerve and PSR of trigeminal nerve was performed, in the GN/GphN patients MVD of glossopharingeal and TSR of intermediate nerve were performed, and in the GN/hemifacial spasm patients TSR of intermediate and MVD of facial nerve were performed. The results of TN patients are: excellent in 82.4%, good in 12%, and poor in 5.6% of patients. There is no difference in complete pain relief, rate of recurrence, and complications between MVD, MVD+PSR and PSR operative groups (p0.05). Among patients with other neuralgias the following results are noted: excellent in 4, good in 3, and poor in 1 patient. Microsurgical posterior fossa exploration is the method of choice in the treatment of the neuralgias of the lower cranial nerves.

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