Ultrasound-Guided Intervention for Treatment of Trigeminal Neuralgia: An Updated Review of Anatomy and Techniques

Figure 1

Anatomy of the supraorbital notch, infraorbital foramen, and mental foramen with corresponding neurovascular structures and the course of the auriculotemporal nerve: (a) 1 = supraorbital notch containing the supraorbital nerve and vessels; 2 = infraorbital foramen containing the infraorbital nerve and vessels; 3 = mental foramen containing the mental nerve and vessels; 4 = corrugator supercilii muscle, which is superficial to the supraorbital notch; 5 = levator labii superioris muscle, which is superficial to the infraorbital foramen; 6 = depressor labii inferioris muscle, which is superficial to the mental foramen, and (b) 7 = auriculotemporal nerve; 8 = temporalis muscle; P = parotid gland.

(a)

(b)