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Occipital neuralgia (ON) is a painful condition affecting the posterior head in the distributions of the greater occipital nerve (GON), lesser occipital nerve (LON), third occipital nerve (TON), or a combination of the three.
The greater occipital nerve is a nerve of the head. It is a spinal nerve , specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2 . It arises from between the first and second cervical vertebrae , ascends, and then passes through the semispinalis muscle .
Neck pain, occipital neuralgia, numbness or tingling in the tongue. Usual onset: 8-15 years or after trauma: Duration: Pain lasted from several seconds up to several minutes. Types: Uncomplicated and Complicated: Causes: Genetics: Frequency: Rare
Nerve compression syndrome, or compression neuropathy, or nerve entrapment syndrome, is a medical condition caused by chronic, direct pressure on a peripheral nerve. [1] It is known colloquially as a trapped nerve , though this may also refer to nerve root compression (by a herniated disc , for example).
Cerebral edema is excess accumulation of fluid in the intracellular or extracellular spaces of the brain. [1] This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels. [1]
Occipital nerve block is a procedure involving injection of steroids or anesthetics into regions of the greater occipital nerve and the lesser occipital nerve used to treat chronic headaches. These nerves are located in the back of the head near in the suboccipital triangle along the line between the inion and the mastoid process .
Therapies acting on the vagus nerve (cranial nerve X) and the greater occipital nerve have both shown efficacy in managing cluster headache, but the specific roles of these nerves are not well-understood. [6] Two nerves thought to play an important role in cluster headaches include the trigeminal nerve and the facial nerve. [30]
Local anesthetic is applied to the back of the neck and a Tuohy needle is advanced towards the location of the greater occipital nerve and lesser occipital nerve under fluoroscopic guidance. [8] [9] [10] When the location is confirmed, a temporary lead is placed through the needle before the needle is carefully removed.