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Fig. 2 | Trials

Fig. 2

From: Botulinum neurotoxin type A in the treatment of classical Trigeminal Neuralgia (BoTN): study protocol for a randomized controlled trial

Fig. 2

Injection scheme of Botulinum neurotoxin type A in the treatment of classical Trigeminal Neuralgia (BoTN). Nerve exits of the affected trigeminal branches will be palpated and identified. Five units of BT-A are injected at three sites per branch 1.5 cm apart. Injection sites of the first trigeminal branch are kept 1.5 cm above the eyebrows in order to prevent ptosis

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