A lateral branch radiofrequency neurotomy is a non-surgical procedure in which lesions (singe) are nerves carrying pain from your sacroiliac joints to your brain. Most patients have previously undergone lateral branch blocks to test the nerves and see if they are candidates for the lateral branch radiofrequency neurotomy procedure.

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This procedure prevents the pain signal from traveling through these nerves, thereby interrupting the pain signal to your brain. These lateral branch nerves do not control any muscles or sensation in your legs.

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If effective, the treatment should provide pain relief lasting at least 9-14 months and at times much longer.