Skip to main content
  • All software and online education products produced by the Congress of Neurological Surgeons, including, but not limited to, software on cns.org, in mobile applications or elsewhere are protected by copyright and remain the property of the Congress of Neurological Surgeons.  All rights to such software are reserved by the Congress of Neurological Surgeons.  No part of the software or the content or derivatives thereof may be used without express written permission granted by the Congress of Neurological Surgeons.

    Portions of the Self-Assessment of Neurological Surgery (“SANS CNS ABNS”) contain intellectual property of the American Board of Neurological Surgery and are © 2024 The American Board of Neurological Surgery. Answer keys, critiques, references and other content of the SANS CNS ABNS are © 2024 Congress of Neurological Surgeons.  All rights to the SANS CNS ABNS are reserved by The American Board of Neurological Surgery and/or Congress of Neurological Surgery, as applicable.

We use cookies to improve the performance of our site, to analyze the traffic to our site, and to personalize your experience of the site. You can control cookies through your browser settings. Please find more information on the cookies used on our site. Privacy Policy