Figure 1From: Spontaneous dural tear leading to intracranial hypotension and tonsillar herniation in Marfan syndrome: a case report MRI Brain. a. Axial T1 weighted post contrast image; significant meningeal enhancement (black arrows) suggestive of pachymeningitis is shown. b. Sagittal T2 weighted image; showing characteristics of Spontaneous Intracranial Hypotension: flattening of pons (white arrow) and inferior orientation of cerebellar tonsils (encircled). Atlanto-axial subluxation (white double arrow), is also demonstrated.Back to article page