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

Vision drives precision — and how you use the microscope defines how you operate.From positioning and balance to hands-f...
04/11/2026

Vision drives precision — and how you use the microscope defines how you operate.

From positioning and balance to hands-free control, every adjustment impacts visualization, ergonomics, and surgical efficiency. Mastery of the microscope isn’t just technical — it’s foundational to safe, effective microsurgery.

Refine your approach and elevate your microscope technique by visiting The Neurosurgical Atlas.

04/11/2026

In this operative video, Dr. Cohen-Gadol demonstrates a frontotemporal approach for resection of an anterior olfactory groove meningioma.

Following devascularization, the tumor is carefully debulked and mobilized from the frontal lobe using gentle dissection techniques. Attention to key attachments allows for controlled separation and complete removal.

Explore more operative techniques at The Neurosurgical Atlas. Link in bio.

JUST RELEASED: What if you could train on your patient’s anatomy before stepping into the OR? Now you can.ATLAS Surgeon,...
04/11/2026

JUST RELEASED: What if you could train on your patient’s anatomy before stepping into the OR? Now you can.

ATLAS Surgeon, a revolutionary simulation operative planning platform, allows patient-specific, ultra-realistic recreations that mirror the exact anatomy you’ll encounter.

Preparation becomes more precise, decisions become more informed, and confidence starts before the first incision.

Explore the future of surgical training with ATLAS Surgeon at sim.atlasmeditech.com.

04/11/2026

Acoustic neuromas can produce symptoms through progressive mass effect and disruption of adjacent neurovascular structures.

As cerebrospinal fluid pathways become compromised, increasing intracranial pressure and brainstem compression may contribute to broader cranial nerve dysfunction. Clinical presentation most commonly includes tinnitus, unilateral hearing loss, and vertigo, reflecting involvement of the vestibulocochlear nerve.

In more advanced cases, extension of mass effect may impact adjacent cranial nerves, leading to facial weakness, sensory changes, or impaired facial movement.

Understanding the progression of these symptoms is critical for timely diagnosis and appropriate management.

04/10/2026

In this operative video, Dr. Cohen demonstrates the pterional approach for resection of a large tuberculum sella meningioma.

The tumor is debulked in a circumferential fashion, moving from one spot to another. Working along the medial optic frame and contralaterally, the tumor is pulled out from the contralateral optic foramen to assure decompression and improvement of vision. With working space created between the nerve and tumor, coagulation is continued to shrink the tumor away. Additional tumor devascularization is performed along the tuberculum. The contralateral optic nerve appears decompressed and the contralateral carotid artery looks free of tumor.

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

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

04/08/2026

In this operative video, Dr. Cohen demonstrates the paramedian supracerebellar approach for resection of a pilocytic astrocytoma.

The supracerebellar corridor is optimized using retention sutures to unobstruct the operative field, with micro-Doppler confirming patency of the transverse sinus. Arachnoid bands over the posterolateral mesencephalon are widely opened, allowing identification of the fourth cranial nerve and superior cerebellar artery branches. Using dynamic retraction, an infratrochlear window is created to access the lesion through a small dorsolateral mesencephalic incision. Tumor entry is performed with an ultrasonic aspirator, clearly distinguishing discolored tumor tissue from the surrounding normal pre-tumoral areas.

Learn more here: https://zurl.co/qm76G

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

04/06/2026

In this operative video, Dr. Cohen demonstrates the pterional approach for clip ligation of a basilar bifurcation aneurysm.

The aneurysm is exposed while working between the posterior communicating artery perforators, which are sharply dissected and mobilized posteriorly. The dome and a blister are identified. Papaverine-soaked cotton is applied to relieve perforator spasm, followed by temporary clipping of the basilar trunk to allow safe mobilization of the aneurysm. This enables direct inspection behind the aneurysm neck, using brief fixed retraction to confirm that the clip pathway is free of perforating vessels before definitive clip placement.

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

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

A clear field isn’t just about visibility — it’s about control. In microsurgery, even minor bleeding can interrupt workf...
04/04/2026

A clear field isn’t just about visibility — it’s about control.

In microsurgery, even minor bleeding can interrupt workflow, obscure critical anatomy, and increase risk. Effective hemostasis begins with planning — early devascularization, respecting tissue planes, and minimizing unnecessary manipulation.

When the field is clear, every movement becomes more deliberate, and every decision more precise.

Visit the Neurosurgical Atlas to improve your skills in maintaining clarity and control in the OR.

04/03/2026

In this operative video, Dr. Cohen demonstrates the frontotemporal approach for resection of an anterior olfactory groove meningioma.

After devascularization, the tumor is debulked and mobilized away from the frontal lobe. Cotton is used to gently separate the brain from the tumor capsule. The tumor is progressively mobilized, recognizing that it is tethered to the crista galli and falx. After further mobilization, the tumor is disconnected from the frontal lobe. With the operative cavity fully exposed, the tumor is then delivered.

Learn more here:https://zurl.co/W10Zg

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

Precision in microsurgery starts with how you see the field.From microscope positioning to the hands‑free mouthpiece, ev...
03/31/2026

Precision in microsurgery starts with how you see the field.

From microscope positioning to the hands‑free mouthpiece, every adjustment affects visualization, ergonomics, and surgical efficiency. The Neurosurgical Atlas breaks down how to master these tools to keep your workflow smooth and your focus where it matters most — on the patient.

Sharpen your skills with The Neurosurgical Atlas (Link in Bio).

Great surgeons don’t just rely on their skill — they rely on the right resources.The Neurosurgical Atlas is the referenc...
03/28/2026

Great surgeons don’t just rely on their skill — they rely on the right resources.
The Neurosurgical Atlas is the reference that professionals turn to when precision, safety, and excellence matter most. With detailed anatomy, step-by-step operative strategies, and multimedia guidance, it equips surgeons with the insights and tools they need to make informed decisions in the OR.

It’s the resource that countless neurosurgeons around the world trust to elevate their practice and deliver the best possible care to their patients.

Visit the link in our bio to start your free trial today.

03/28/2026

In this operative video, Dr. Cohen demonstrates the retromastoid approach for microvascular decompression of the trigeminal nerve.

After dural opening, the transverse and sigmoid sinuses and mastoid air cells are identified. The trigeminal nerve is visualized with a vascular loop at its axilla, requiring careful mobilization of the artery. Bimanual dissection using suction and microinstruments is performed to free branches of the superior cerebellar artery, with short arachnoid dissection along the brainstem and cisternal segment of the nerve. The fourth cranial nerve is identified. Multiple Teflon pieces are placed between the artery and the trigeminal nerve, achieving decompression of the nerve.

Learn more here: https://zurl.co/wPS4G

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

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