Figure 2From: Intracranial hypotension secondary to spinal arachnoid cyst rupture presenting with acute severe headache: a case report T2-weighted magnetic resonance scan of the spine showing a large para-spinal arachnoid cyst (arrowed) at the level of T10/11. This extends out through the right-sided neural foramen. The pleural effusion on the right suggests cyst rupture.Back to article page