Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
– Borderline Chiari is not always recognised by all doctors. It is where the cerebellar tonsils are not herniated but crowd the Foramen Magnum stopping CSF flow like in Chiari 1 malformation. This can cause the symptoms seen in Chiari 1 and can be treated the same way. It is also called Chiari 0 by some.
