Neurosurgical Atlas
@neurosurgatlas • 26,714 subscribers
Dr. Aaron Cohen-Gadol’s most respected & popular collection of advanced microneurosurgical techniques in the world. https://t.co/VyskBO5DCg…
Videos
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In this operative video, Dr. Cohen demonstrates a posterior callosotomy/trans-splenium approach for resection of a giant posterior biventricular epidermoid tumor. The endoscope is introduced to inspect posterior areas that could not be seen through the transcallosal approach. Under endoscopic visualization, residual tumor fragments are removed while bimanual dissection is maintained. The capsule is removed as safely as possible to reduce the chance of future recurrence, though its dense adherence to the surrounding ventricles makes gross total resection unsafe. Learn more at: #Neurosurgery #EpidermoidTumor #DrCohen #SurgicalExcellence
Neurosurgical Atlas199,003 views • 1 month ago
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In this operative video, Dr. Cohen demonstrates the frontotemporal approach for STA-MCA bypass and proximal M2 occlusion of a giant MCA aneurysm. After the bypass anastomosis is completed, the temporary clips are removed and mild bleeding from the site confirms graft patency. Cotton is used to reinforce the anastomotic site, and Doppler ultrasonography verifies flow through the donor vessel. A temporary clip is then placed proximal to the aneurysm, with intraoperative angiography confirming minimal aneurysm filling and preserved bypass flow before permanent clip placement is performed. Learn more here: #Neurosurgery #MCAAneruysm #DrCohen #SurgicalExcellence
Neurosurgical Atlas87,800 views • 2 months ago
In this operative video, Dr. Cohen demonstrates a suboccipital craniotomy for proximal-to-distal PICA end-to-side anastomosis for treatment of a calcified fusiform distal PICA aneurysm. The distal temporary clip is removed, revealing backflow through the aneurysm, so a permanent curved clip is placed on the distal aneurysm segment to prevent continued filling. The remaining temporary clips are removed sequentially, with minimal bleeding at the anastomosis. Micro-Doppler and fluorescein angiography confirm good flow through the vessels, no aneurysm filling, and preserved perfusion of the fourth ventricular floor. Learn more at: #Neurosurgery #Aneurysm #DrCohen #SurgicalExcellence
Neurosurgical Atlas19,222 views • 27 days ago
In this operative video, Aaron Cohen-Gadol, MD demonstrates the contralateral cross-court approach for clip ligation of a right P1 aneurysm through a left-sided pterional craniotomy. The basilar artery, its bifurcation, and the contralateral P1 segment are exposed, revealing a perforating vessel arising from the neck of the P1 aneurysm. The cross-court approach is effective in this case, as the anatomy provides favorable visualization for circumferential dissection of the neck. A temporary clip is placed on the basilar trunk to allow controlled manipulation of the neck for definitive clip application. The narrow working space medial to the carotid artery is used to inspect the perforating vessels. A long straight clip is then applied to collapse the aneurysm neck, providing adequate visualization around the blades to preserve the perforators. Learn more here: #Neurosurgery #AneuerysmClipping #DrCohen #SurgicalExcellence
Neurosurgical Atlas26,296 views • 7 months ago
Wishing you all a joyful Thanksgiving! With 70,000+ global members, the Neurosurgical Atlas impacts daily patient care. Exciting things await in the coming year, including the Atlas Intelligence platform. Inspired by requests from many of you, enjoy the art of carving a turkey.
Neurosurgical Atlas24,323 views • 2 years ago
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