Fig. 1
From: An isolated ruptured spinal aneurysm presents with a thalamic Infarct: case report
a Balanced steady-state gradient recalled echo sequences demonstrate a 1.7 cm intradural cystic and hemorrhagic mass within the spinal cord at thoracic levels 11 and 12 (arrow). There is associated intradural hemorrhage (arrowhead). b Spinal magnetic resonance angiogram shows a saccular aneurysm (arrow). c Surgical photograph reveals the posterior spinal aneurysm as an extrinsic mass lesion. d Histopathology of the resected aneurysm demonstrates positive reticulin staining