There are quite a few mentions in research papers about it being one of the cranial nerves affected, & one research paper discussing a lady who’s TN was improved after surgery…I agree the trigeminal ganglion is in the jaw area, I’d always presumed that the styloid could perhaps compress structures near the foramen where the root exits the skull base, can’t find anything definitive about that though! The facial nerve does follow similar pathways as the Trigeminal nerve around the face & is another nerve affected by ES.
Here’s a link to the Newbies Guide piece:
ES Information: Common Symptoms And Possible Explanations For Them - Welcome / Newbies Guide to Eagle Syndrome - Living with Eagle
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