Imaging Findings of Intracranial Hypotension Presented with Pseudo-Subarachnoidal Hemorrhage

Spontaneous intracranial hypotension (SIH) is a condition in which the fluid pressure inside skull lower than normal. It secondary to cerebrospinal (CSF) leak at level of spine and resulting loss CSF volume. Pseudo-subarachnoidal hemorrhage rare that can occur patients with spontaneous hypotension. The diagnosis very important because it be confused true subarachnoidal hemorrhage. True one complications may SIH patients. differentiation these two conditions as well computed tomography (CT) magnetic resonance imaging (MRI) findings response blood-patch treatment applied by interventional radiology also valuable.