Lesser Occipital Nerve Injection
|Lesser Occipital Nerve Injection|
|Indication||Occipital Neuralgia and headache disorders|
|Local||1-3mL of anaesthetic|
The lesser occipital nerve (LON) is commonly injected alongside the greater occipital nerve for headache disorders.
The lesser occipital nerve (LON) arises from the primary ventral rami of the second and third cervical nerves. It passes superiorly along the posterior border of sternocleidomastoid. It divides into cutaneous branches that supply the lateral portion of the posterior scalp.
- Cranio-cervical Dermatomes.
- The procedure is similar to the the greater occipital nerve injection
- Locate the LON by going two-thirds of the way between the occipital protuberance and the mastoid process.
- Enter perpendicular to the skip, stop at the periosteum.
- Aspirate gently and then inject.