It sounds like such a rare condition that probably only a few specialists work on it.
Here are a few medical journal articles:
https://www.pulsus.com/scholarly-articles/elongated-styloid-process--report-of-two-rare-cases.html
Although 4% of the population is thought to have an elongated styloid, only 4–10% of this group is symptomatic
I hope it is able to be fixed.