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Gasserian ganglion

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Gasserian ganglion [ga′ser·ē·ən ′gaŋ·glē·ən]
(nueroscience)
A group of nerve cells of the sensory root of the trigeminal nerve. Also known as semilunar ganglion.


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Peripheral or central damage to the trigeminal nerve is a relatively common occurrence, whether due to cerebrovascular disease, viral infections (such as varicella-zoster), idiopathic Bell palsy, or surgical ablation of the Gasserian ganglion to treat neuralgic pain.
5,6,15,16,18,19) In 75% of trigeminal trophic syndrome patients, (2,5) this behavior develops following either surgical or chemical therapy for trigeminal neuralgia, such as surgical trigeminal ablation by rhizotomy of the dorsal trigeminal nerve root or alcohol injection, which disrupts the Gasserian ganglion.
The presence of metastatic neoplasm in the gasserian ganglion area (right side) of the skull base was demonstrated (Fig.
 
 
 
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