Introduction: Spontaneous intracranial hypotension (SIH) is an uncommon and frequently misdiagnosed condition characterized by a lower-than-normal volume of cerebrospinal fluid (CSF) caused by leakage of CSF through the dural membrane. The primary manifestation of SIH is an orthostatic headache, which is frequently accompanied by nausea and vomiting. Patients with connective tissue disorders are at increased risk for spontaneous CSF leaks due to the structural weakness of their dural membranes.
\nCase Report: An 18-year-old woman with no reported past medical history presented to the emergency department with 10 days of a bifrontal headache that was orthostatic in nature with associated nausea and vomiting. She was noted to have several marfanoid features on physical examination. Spontaneous intracranial hypotension was ultimately diagnosed and treated successfully with an epidural blood patch. Subsequent genetic testing revealed a diagnosis of Marfan syndrome.
\nConclusion: Spontaneous intracranial hypotension is an uncommon cause of headache. Individuals with connective tissue disorders such as Marfan syndrome are at increased risk for SIH. Knowledge of the relationship between these two conditions allows for a more rapid diagnosis of SIH.
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