Abstract Background Gorham-Stout disease (GSD) is a very rare disorder characterized by massive osteolysis of poorly understood aetiology. The association between GSD involving the skull base and cerebrospinal fluid (CSF) leakage has been reported in the literature. However. few cases of CSF leakage and Chiari-like tonsillar herniation in GSD involving the spine have been reported. https://sportshutes.shop/product-category/general/