Rohin Singh, Yeonsoo Sara Lee, Pelagia E. Kouloumberis, Shelley S. Noland

Date of publication: 11-Oct-2021

Background: Radial tunnel syndrome arises due to compression of the radial nerve through the radial tunnel.[1,5] The radial nerve divides into superficial and deep branches in the forearm. The deep branch travels posteriorly through the heads of the supinator where compression commonly occurs.[3,9,7] This syndrome results in pain in the hand and forearm with no motor weakness.[8] This condition can be treated conservatively with splinting and anti-inflammatory medication.[2,4,6] For cases of refractory radial tunnel syndrome, surgical management can be considered. Herein, we have presented a step-by-step video guide on how to perform a radial nerve decompression with a review of the relevant anatomy and surgical considerations.

William C. Merritt, Holly F. Berns, Andrew F. Ducruet, Timothy Andrew Becker

Date of publication: 06-Oct-2021

Background: Intracranial aneurysms (IAs) are classified based on size (maximal dome diameter) as well as additional parameters such as neck diameter and dome-to-neck ratio (DNR). The neurosurgical literature includes a wide variety of definitions for both IA size and neck classifications. Standardizing the definitions of IA size and wide-neck classifications would help eliminate inconsistencies and potential misunderstandings of aneurysm morphology and rupture risk.

Daniel Buchanan, Nikolay L. Martirosyan, Wei Yang, Russell I. Buchanan

Date of publication: 06-Oct-2021

Background: The incidence of spinal meningiomas is 0.33/100000 population, and ossified spinal meningiomas are even less commonly encountered.

Turki Elarjani, Meshari Rashed Alhuthayl, Mahammad Dababo, Imad N Kanaan

Date of publication: 06-Oct-2021

Background: Rathke cleft cyst (RCC) apoplexy is an uncommon type of lesion that is challenging to diagnose without histopathological samples. Very few articles have been published describing the details of RCC apoplexy. We studied a good number of published articles to analyze its demographics, clinical and hormonal presentations, and outcomes.

Abhishek Katyal, Anil Jadhav, Aparna Katyal, Anita Jagetia, Shaam Bodeliwala, Ghanshyam Das Singhal, Wajid Nazir, Vineeta Batra, Arvind Kumar Srivastava, Daljit Singh

Date of publication: 06-Oct-2021

Background: The occipital transtentorial (OT) approach is well-established approach for pineal region tumors and can be of choice for the lesions located around the suboccipital part of tentorium such as the quadrigeminal plate, posterior part of thalamus, tentorial surface of cerebellum, splenial region, posterior falx, and lesions around the tentorial incisura. However, it is not very much extensively used in the above-mentioned locations other than the pineal region.

Isamu Miura, Kubota Motoo, Takakazu Kawamata, Masahito Yuzurihara

Date of publication: 06-Oct-2021

Background: This study correlated the relationship between postoperative C6 nerve root palsies and various patient-related clinical, radiographic, and surgical parameters.

Valérie Nicole Elise Schuermans, Jasper van Aalst, Alida A. Postma, Anouk Y. J. M. Smeets

Date of publication: 06-Oct-2021

Background: Several case reports about spinal cord compression due to hyperostosis at the craniocervical junction are available. However, compression at C1-C2 solely due to ossification of the posterior longitudinal ligament (OPLL) is rare.

Taichi Shimabukuro, Kohei Suzuki, Yoshiteru Nakano, Junkoh Yamamoto

Date of publication: 06-Oct-2021

Background: Ewing’s sarcoma (ES) is a malignancy that arises from bones or soft tissue, characterized by primitive small and round blue cells. Primary ES typically occurs in the long bones, vertebrae, or pelvis, and is extremely rare in the skull base.

Rui Zhang, Xin Xu, Huakang Zhou, Dongying Yao, Ru Wei, Sajjad Muhammad

Date of publication: 06-Oct-2021

Background: Angiocentric glioma (AG) is an extremely rare intracranial tumor that was first described in 2005 and identified as a special type of intracranial tumor in 2007 by the WHO, which mainly affects children and young adolescents. Epilepsy is the main presentation; therefore, it was recognized as a seizure-related tumor in the past. Here, we report a case of AG with acute intracerebral hemorrhage (ICH) as the first symptom who never had a seizure onset.

Hideki Nakajima, Takuro Tsuchiya, Shigetoshi Shimizu, Hidenori Suzuki

Date of publication: 06-Oct-2021

Background: The causes of angiogram-negative subarachnoid hemorrhage (SAH) on initial angiography, which accounts for 10–30% of spontaneous SAH, are heterogeneous and still unclear. We report a case of nonaneurysmal SAH, in which initial computed tomographic angiography (CTA) showed no source of bleeding, but the subsequent digital subtraction angiography (DSA) revealed contrast extravasation from the basilar artery without aneurysms.