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The first case of glioma detected by an artificial intelligence algorithm running on real-time data in neurosurgery: illustrative case

Alperen Sozer, Alp Ozgun Borcek, Seref Sagiroglu, Ali Poshtkouh, Zuhal Demirtas, Mehmet Melih Karaaslan, Pelin Kuzucu, and Emrah Celtikci

reliable diagnosis is still in its early stages. Although many different studies have shown that a reliable neurosurgical diagnosis could be made for different scenarios, such as subdural hematoma, 13 traumatic brain injury, 14 tumor detection, 15 and classification, 16 most of these studies are experimental. There are initiatives to create open-source 17 or commercial software for automated MRI interpretation. In a literature search, there were reports on one of the commercial systems which indicates that the use of a similar computed tomography (CT)-based system

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Non-contrast–enhancing subdural empyema: illustrative case

Alexander D. Rebchuk, Stephano J. Chang, Donald E. G. Griesdale, and Christopher R. Honey

adjacent effacement of the sulci but without any brain edema, herniation, or midline shift ( Fig. 1 ). This was interpreted as most likely a chronic subdural hematoma given his recent falls. Dedicated vascular imaging (CT angiography) did not demonstrate any vessel occlusions or stenosis. A lumbar puncture was deferred since international normalized ratio and partial thromboplastin time were elevated. FIG. 1. Axial ( left ) and coronal ( right ) contrast-enhanced CT of the head demonstrating a nonenhancing left parietal subdural collection. The patient was

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DNA methylation profiling of a lipomatous meningioma: illustrative case

Zeel Patel, Justin Z. Wang, Zamir Merali, Vikas Patil, Farshad Nassiri, Qingxia Wei, Julio Sosa, Claire Coire, and Gelareh Zadeh

. Lipomatous meningioma with concomitant acute subdural hematoma—case report . Neurol Med Chir (Tokyo) . 2008 ; 48 ( 10 ): 466 – 469 . 18948682 33 Kasantikul V , Brown WJ . Lipomatous meningioma associated with cerebral vascular malformation . J Surg Oncol . 1984 ; 26 ( 1 ): 35 – 39 . 6427530 34 Patil PR , Warpe BM , Juvekar VH , Manohar V . Meningioma with the unique coexistence of secretory and lipomatous components: a case report with immunohistochemical study . Indian J Pathol Microbiol . 2017 ; 60 ( 3 ): 381 – 384 . 28937376

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Chronic expanding pituitary hematoma with calcification resulting from pituitary adenoma: illustrative case

Fugen Takagi, Ryokichi Yagi, Takuya Kanemitsu, Yuichiro Tsuji, Naokado Ikeda, Naosuke Nonoguchi, Motomasa Furuse, Shinji Kawabata, Toshihiro Takami, and Masahiko Wanibuchi

consistent with those above. The underlying mechanism is supposedly similar to that of a chronic subdural hematoma, and the pathophysiology resulting in hematoma enlargement, a contemplative cycle of hemorrhage, coagulation, fibrinolysis, and rebleeding from the neovascular outer membrane. In contrast to acute-onset PA, this patient showed visual deterioration due to slow cystic enlargement, and a serous dark reservoir was observed within the cyst. Combined pathological examination resulted in diagnosis of CEEH after pituitary stroke associated with pituitary adenoma. In

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Preoperative examination and intraoperative cerebrospinal fluid leakage test for minimally invasive surgery of spinal extradural arachnoid cysts: illustrative case

Yoshihiro Sunada, Kenji Yagi, Yoshifumi Tao, Hirotake Nishimura, and Tomohito Hishikawa

patient should be carefully checked after the myelography. Spinal hematoma, such as epidural or subdural hematoma, is a rare complication that can occur in 0.2% of lumbar punctures. 23 When the patient has coagulopathy or is receiving antithrombotic drugs, these procedures should be carefully applied. These preoperative examinations are necessary for minimally invasive surgery in patients with SEACs. The risk and severity of complications may be higher in an extensive surgery than in a selective surgery following these examinations. Therefore, we propose that