The Neurosurgical Atlas

The Neurosurgical Atlas The Neurosurgical Atlas is the most popular and comprehensive resource for microsurgical techniques in the world.
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The Neurosurgical Atlas is the most comprehensive regularly updated atlas on the web, keeping neurosurgeons abreast of cutting edge technical nuances. We aim to teach techniques to improve patients' safety and surgical outcome. Our vast collection of surgical videos and illustrations provide a clear and concise road map while elucidating surgical nuances for proper completion of even the most diff

icult procedures. The site also features resources for patients at http://www.neurosurgicalatlas.com/video-conference-center

08/25/2025

In this operative video, Dr. Cohen demonstrates clipping of an anterior communicating artery aneurysm using dynamic retraction instead of fixed blades to minimize brain transgression.

A left frontotemporal craniotomy was performed, and the anterior limb of the Sylvian fissure was dissected. Wide arachnoid dissection and gravity-assisted frontal lobe mobilization enabled visualization of the ACoA complex. A temporary clip was placed on the left A1, followed by placement of two straight fenestrated clips to reconstruct the aneurysm neck while preserving perforators and the ipsilateral A2. Dynamic retraction allowed precise exposure of deep structures while avoiding fixed retractors that may obscure narrow corridors. The case emphasizes the value of dynamic retraction for deep aneurysms.

Learn more here: https://zurl.co/b6YUM

This post contains surgical content intended for educational use by medical professionals. Viewer discretion is advised.

If ATLAS is in your workflow, pass it to a peer. Clinically validated for high-stakes decisions; in 100 NEJM cases, accu...
08/23/2025

If ATLAS is in your workflow, pass it to a peer. Clinically validated for high-stakes decisions; in 100 NEJM cases, accuracy rose 20%→90%. Transparent reasoning with citations and PDFs. Trial or share with your colleagues: https://zurl.co/qheXj

08/21/2025

In this operative video, Dr. Cohen demonstrates the retromastoid approach for resection of a cerebellopontine angle epidermoid tumor.

Gentle mobilization of the cerebellum exposed the epidermoid tumor through the arachnoid layers of the cerebellopontine angle. The tumor had displaced the fifth cranial nerve anteriorly and the lower cranial nerves inferiorly. Early identification of cranial nerves and surrounding vascular structures guided safe dissection. The tumor was internally debulked with pituitary rongeurs, followed by careful dissection along preserved arachnoid planes. Cranial nerves VI–VIII were visualized and protected throughout the procedure. Small remnants were left behind to avoid injury where the tumor capsule adhered tightly to the cranial nerves. The tumor’s relationship with the middle cerebellar peduncle was noted, suggesting its origin. Cotton soaked in papaverine was used to bathe the nerves and reduce vasospasm. Copious irrigation dislodged residual epidermoid flakes hidden in recesses, especially along the medial aspect of the peduncle. Final inspection confirmed decompression of all nerves and vessels.

Learn more here |
https://zurl.co/e7mPP

This post contains surgical content intended for educational use by medical professionals. Viewer discretion is advised.

08/19/2025

In this operative video, Aaron Cohen-Gadol, MD demonstrates the steps of a frontotemporal craniotomy for resection of a sphenoid wing meningioma.

Multiple burr holes were placed around the hypervascular bone at the pterion, with bone wax applied through each to achieve hemostasis prior to lifting the bone flap. Additional bleeding from the middle meningeal artery and involved bone was managed with rongeurs and cautery. The tumor was vascularized extradurally, and the affected bone was removed. After thorough devascularization, the optic nerve is identified. The tumor was then safely debulked and dissected from surrounding structures using patties to maintain dissection planes. The middle cerebral artery branches were carefully preserved as the tumor was mobilized circumferentially. Tumor base near the superior orbital fissure was further coagulated, while avoiding aggressive cautery over the cavernous sinus. Learn more here | https://zurl.co/h8KGE

This post contains surgical content intended for educational use by medical professionals. Viewer discretion is advised.

08/15/2025

Generic AI is not built for clinical decisions. ATLAS is. In a blind review of 100 NEJM cases, ATLAS lifted diagnostic and treatment accuracy from 20% to 90% (4.5×). Grounded in millions of weighted guidelines and peer-reviewed publications, validated by 1,000+ experts across 35 specialties. Each answer shows step-by-step reasoning with inline citations and PDF links. Consult any specialty in seconds and reclaim ~30 minutes per day. Start your trial | https://zurl.co/2Mb4D

08/12/2025

Clinicians need more than generic AI for high-stakes calls. In a blinded review of 100 of NEJM’s toughest cases, ATLAS raised diagnostic and treatment accuracy from 20% to 90%—a 4.5× leap. Built on the largest volume of peer-reviewed literature and guidelines compendium, ATLAS delivers specialist-level reasoning across 35 disciplines with step-by-step logic, inline citations, and PDF links. Save time, improve decisions, and consult any specialty in seconds with the only clinically validated, agentic AI built by and for clinicians. Start your trial today.
https://zurl.co/RVCL3

08/08/2025

In a blinded review of 100 of the New England Journal of Medicine’s toughest cases, ATLAS elevated diagnostic and treatment accuracy from 20% to 90%—a 4.5x leap in precision. Clinicians need more than unreliable generic AI—they need ATLAS: the only clinically validated, agentic AI platform designed by and for clinicians. With deep clinical reasoning across 35 specialties, ATLAS delivers trusted precision, real ROI, and allows physicians to consult any specialty within seconds. Visit our website to subscribe and start your trial. Subscribe today | https://zurl.co/MhcZm.

08/05/2025

In a blinded review of 100 of the New England Journal of Medicine’s toughest cases, ATLAS elevated diagnostic and treatment accuracy from 20% to 90%—a 4.5x leap in precision. Clinicians need more than unreliable generic AI—they need ATLAS: the only clinically validated, agentic AI platform designed by and for clinicians. With deep clinical reasoning across 35 specialties, ATLAS delivers trusted precision, real ROI, and allows physicians to consult any specialty within seconds. Visit our website to subscribe and start your trial. Subscribe today | https://zurl.co/MhcZm.

In a blinded review of 100 of the New England Journal of Medicine’s toughest cases, ATLAS elevated diagnostic and treatm...
08/01/2025

In a blinded review of 100 of the New England Journal of Medicine’s toughest cases, ATLAS elevated diagnostic and treatment accuracy from 20% to 90%—a 4.5x leap in precision. Clinicians need more than unreliable generic AI—they need ATLAS: the only clinically validated, agentic AI platform designed by and for clinicians. With deep clinical reasoning across 35 specialties, ATLAS delivers trusted precision, real ROI, and allows physicians to consult any specialty within seconds. Visit our website to subscribe and start your trial. Subscribe today | https://zurl.co/R3Sdp.

The blue arrows point to the walls of the intercavernous sinus. Unroofing these walls is important when removing a micro...
07/11/2025

The blue arrows point to the walls of the intercavernous sinus. Unroofing these walls is important when removing a microadenoma because it provides the necessary exposure to fully open the dura and visualize the entire pituitary gland.

Learn more here: https://zurl.co/pZLGD

The blue arrows point to the wall of which venous sinus? Why is the unroofing of these walls vital when removing a micro...
07/10/2025

The blue arrows point to the wall of which venous sinus? Why is the unroofing of these walls vital when removing a microadenoma?

Autologous fat is used to pack the resection cavity after pituitary tumor removal to seal small cerebrospinal fluid (CSF...
07/04/2025

Autologous fat is used to pack the resection cavity after pituitary tumor removal to seal small cerebrospinal fluid (CSF) leaks caused by disruption of the diaphragma sellae and to support the remaining gland. Overpacking may cause chiasmal compression.

Learn more here:https://zurl.co/skT6G

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