Comment on

• Diagnostic value of the optic nerve sheath subarachnoid space in patients with intracranial hypotension syndrome.

  Takeuchi N, Horikoshi T, Kinouchi H, Watanabe A, Yagi T, Mitsuka K, Senbokuya N. Takeuchi N, et al. J Neurosurg. 2012 Aug;117(2):372-7. doi: 10.3171/2012.5.JNS1271. Epub 2012 Jun 8. J Neurosurg. 2012. PMID: 22680244
• Cerebrospinal fluid hypovolemia.

  Dubost C, Arnaud FX, Geeraerts T. Dubost C, et al. J Neurosurg. 2013 Mar;118(3):704-5. doi: 10.3171/2012.11.JNS121723. Epub 2013 Jan 4. J Neurosurg. 2013. PMID: 23289818 No abstract available.