I haven’t exactly found the leaks yet, but the changes in symptoms after surgery makes it pretty clear.
Dr Hepworth had thought I had a spinal CSF leak based on my brain MRI. I had a BERN score of 8 apparently:
https://radiopaedia.org/articles/bern-score?lang=us
My current theory is that I likely had a spinal CSF leak first, and the vascular compressions developed as secondary compensations.
I trace my issues back to a lumbar spine surgery I had when I was 19. I had no issues before that. I don’t have EDS or other connective tissue disorders to my knowledge and was pretty healthy growing up.
But I developed sciatica pain down my right leg and a neurologist attributed it to a bulging disc at L5/S1. So I had a microdiscectomy to relieve the pressure on the nerve.
This is a supposedly fairly non-invasive surgery but it didn’t seem to help much. I don’t recall if it helped my sciatica pain at all but I don’t think so. I didn’t feel quite right after surgery but the pain wasn’t too bad so I just decided to get on with my life for the time being.
About 8 months later as I was going back to college, I was increasing my activity levels, going to the gym more and being more active than I had since my surgery. Suddenly, I woke up with terrible headaches, venous congestion in my neck and numbness in my arms.
What I think likely happened is that I did develop a lumbar CSF leak from my surgery but it was slow flow and didn’t cause severe symptoms at first. But it was causing subtle biomechanical compensations as my body was adapting to CSF circulation issues even though it hadn’t progressed to serious headaches yet.
I suspect my increased activity caused a sudden worsening of the leak and then rapid deterioration of symptoms.
I was later diagnosed with thoracic outlet syndrome and (eventually) Eagle Syndrome. I was born with cervical ribs which predispose me to thoracic outlet syndrome.
So it was like dominoes where one thing led to another. And once you have a spinal CSF leak and venous outflow obstruction, it’s almost impossible for doctors to figure out what happened since your intracranial pressure is technically “normal” and your brain imaging doesn’t show clear signs of intracranial hypertension or hypotension. Especially years ago when this started.
Some of this is speculation but I think it makes sense.
I also have a tarlov cyst at S2 in my sacrum, right below the surgery I had at L5/S1. The close proximity of the tarlov cyst to my surgery site gives a lot of credibility to the idea that I probably have a leak.
My tarlov cyst may have been present before my surgery. In this case, it was likely the cause of my sciatica pain and the bulging disc was an incidental finding that was wrongly attributed as the cause. In this case, operating very near a tarlov cyst without knowing the cyst was there could have easily predisposed me to a leak because the CSF pressure would have been higher than normal and the dura perhaps weaker in that area.
The other possibility is that the tarlov cyst developed after my surgery. In this case, localized CSF pressure changes due to the surgery is probably the cause. And a CSF leak right above the sacrum could easily account for that.
This is my current working theory. I’d be curious to know if anyone else feels they may have had a spinal CSF leak first, and then developed Eagle Syndrome and other vascular compressions afterwards?