Preventable cerebral venous sinus thrombosis from diet- and alcohol-induced hyperhomocysteinemia: illustrative case

This case highlights the serious consequences of severe vitamin deficiencies, triggered by lifestyle changes, in causing significant CVST, regardless of location. It emphasizes the importance of prioritizing detailed history-taking to identify modifiable lifestyle factors, facilitating timely intervention to manage symptoms, normalize homocysteine levels, and prevent recurrence. https://thejns.org/doi/10.3171/CASE25759.