Hi @Eagle_Anna, I hope you are doing ok. There are quite a few syndromes that are related to Hyoid bone and Thyroid Cartilage. There are some explanations on this thread (Looking for investigatory surgery in the UK - Any recommendations? - #21 by KoolDude)
Please read the whole thread and see if you find some similarities. I think this will give you an idea to start with.
Also try to do the self test listed in here and see if you can document your findings (Looking for investigatory surgery in the UK - Any recommendations? - #24 by KoolDude)