Long-term follow-up of microvascular decompression for management of trigeminal neuralgia

Egyptian Journal of Neurosurgery

Table 1 Barrow neurological institute pain scale

^Score	^Pain
^I	^{No trigeminal pain, no medications}
^II	^{Occasional facial pain, not requiring medications}
^III	^{Some pain, adequately controlled with medications}
^IV	^{Some pain, not adequately controlled with medications}
^V	^{Severe pain or no pain relief}

Reproduced from Rogers CL, Shetter AG, Fiedler JA, Smith KA, Han PP, Speiser BL. Gamma knife radiosurgery for trigeminal neuralgia: the initial experience of The Barrow Neurological Institute. Int J Radiat Oncol Biol Phys. 2000;47(4):1013–1019. © 2000 Elsevier Science Inc. Published by Elsevier Inc. All rights reserved.14