A M Shevchenko, E L Pogosbekyan, A I Batalov, A N Tyurina, L M Fadeeva, S B Agrba, I N Pronin
{"title":"[Focal cortical dysplasia: visual assessment of MRI and MR morphometry data].","authors":"A M Shevchenko, E L Pogosbekyan, A I Batalov, A N Tyurina, L M Fadeeva, S B Agrba, I N Pronin","doi":"10.17116/neiro20248803145","DOIUrl":"https://doi.org/10.17116/neiro20248803145","url":null,"abstract":"<p><strong>Objective: </strong>Assessing the diagnostic significance of MR morphometry in determining the localization of focal cortical dysplasias (FCD).</p><p><strong>Material and methods: </strong>The study included 13 children after surgery for drug-resistant epilepsy caused by FCD type II and stable postoperative remission of seizures (Engel class IA, median follow-up 56 months). We analyzed the results of independent expert assessment of native MR data by three radiologists (HARNESS protocol) and MR morphometry data regarding accuracy of FCD localization. We considered 2 indicators, i.e. local cortical thickening and gray-white matter blurring.</p><p><strong>Results: </strong>FCD detection rate was higher after MR morphometry compared to visual analysis of native MR data using the HARNESS protocol. MR morphometry also makes it possible to more often identify gray-white matter blurring as a sign often missed by radiologists (<i>p</i><0.05).</p><p><strong>Conclusion: </strong>MR morphometry is an additional non-invasive method for assessing the localization of FCD.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 3","pages":"45-51"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141331879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[Giant pericranial sinus with extensive occipital calvarium defect].","authors":"A V Semenov, A A Semenov, A E Makarova","doi":"10.17116/neiro20248806177","DOIUrl":"10.17116/neiro20248806177","url":null,"abstract":"<p><strong>Background: </strong>Giant non-traumatic and non-iatrogenic cranial vault defects are poorly studied due to their rarity. Therefore, diagnosis and analysis of their causes are difficult. In available literature, we found only 4 cases of giant pericranial sinus accompanied by extensive cranial vault defects.</p><p><strong>Objective: </strong>To present a rare and difficult diagnostic case of cranial vault lesion with non-traumatic and non-iatrogenic extensive bone defect, as well as to propose treatment of this pathology.</p><p><p>The patient presented with complaints of a «growing» parietal-occipital cranial vault defect in November 2022. This defect occurred in childhood. A comprehensive examination including CT angiography of cerebral vessels was followed by surgical treatment (bone resection along skull defect edge with biopsy (aponeurosis, periosteum, bone) and subsequent closure with titanium plate). Postoperative period was uneventful. CT of the skull and brain, including angiography and sinusography, were performed. The follow-up period was more than 10 months with favorable outcome.</p><p><p>Considering anamnesis, clinical and additional diagnostic data, we established giant dominant-type true pericranial sinus.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 6","pages":"77-87"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142819446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A V Stanishevskiy, G V Gavrilov, A V Lebedenko, B G Adleyba, M N Radkov, D V Svistov, V Yu Cherebillo
{"title":"[Intrascopic predictors of favorable outcomes after ventriculoperitoneal shunting in Hakim-Adams syndrome: a single-center retrospective non-randomized study].","authors":"A V Stanishevskiy, G V Gavrilov, A V Lebedenko, B G Adleyba, M N Radkov, D V Svistov, V Yu Cherebillo","doi":"10.17116/neiro20248805160","DOIUrl":"https://doi.org/10.17116/neiro20248805160","url":null,"abstract":"<p><p>The main feature of idiopathic normal pressure hydrocephalus is reversible clinical manifestations after timely ventriculoperitoneal shunting. However, the effectiveness of such interventions does not exceed 85%. Invasive diagnostic methods are used to select candidates for surgery. At the same time, literature data indicate neuroimaging symptoms predicting postoperative outcomes without invasive examination.</p><p><strong>Objective: </strong>To identify intrascopic predictors of favorable outcomes after ventriculoperitoneal shunting in Hakim-Adams syndrome; to present a model for evaluating MRI data and selecting candidates for surgery.</p><p><strong>Material and methods: </strong>A single-center retrospective non-randomized study enrolled head MRI data in patients with idiopathic normal-pressure hydrocephalus who underwent ventriculoperitoneal shunting between September 2020 and March 2022. There were 34 patients including 15 ones in the main group (significant improvement after surgery) and 19 ones in the control group. We analyzed quantitative neuroimaging features: ventriculocranial indices, DESH syndrome (DESH score), angle of corpus callosum at the level of anterior and posterior commissures, dimensions of temporal horns of lateral ventricles, the number of lacunar infarcts in basal ganglia and white matter of hemispheres.</p><p><strong>Results: </strong>We identified the most significant predictors of favorable outcomes after ventriculoperitoneal shunting: Evans index, indexed longitudinal size of lateral ventricles, angle of corpus callosum (at the level of anterior and posterior commissures) and DESH score. We created a classification model using discriminant analysis. This model allows us to predict the outcomes after ventriculoperitoneal shunting.</p><p><strong>Conclusion: </strong>A comprehensive assessment of intrascopic symptoms allows us to predict the outcomes after ventriculoperitoneal shunting in patients with Hakim-Adams syndrome. In the future, we can avoid invasive diagnostic manipulations in some patients.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 5","pages":"60-68"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142476325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L D Zhuikova, E L Choynzonov, O A Ananina, G A Kononova, L V Pikalova, A I Ryabova, A S Zhuikova
{"title":"[Problems of monitoring malignant neoplasms of the central nervous system in the Siberian Federal District and ways to solve them].","authors":"L D Zhuikova, E L Choynzonov, O A Ananina, G A Kononova, L V Pikalova, A I Ryabova, A S Zhuikova","doi":"10.17116/neiro20248805114","DOIUrl":"https://doi.org/10.17116/neiro20248805114","url":null,"abstract":"<p><strong>Background: </strong>Incidence and recording of neuro-oncological tumors comprise an important problem in the world and In Russia including the Siberian federal district.</p><p><strong>Objective: </strong>To analyze the incidence of malignant tumors of the central nervous system (CNS) (C70-72) in the Siberian federal district and appropriate constituent territories.</p><p><strong>Material and methods: </strong>Analysis of standardized indicators was based on form No. 7 \"Information on malignant neoplasms\" for the period 2013-2022, population and male-to-female ratio in the Siberian federal district.</p><p><strong>Results: </strong>The number of patients with CNS tumors increases in the Siberian federal district while relative rates of CNS cancer incidence are stable (men 5.2±0.2%, women 3.8±0.2%). The peak incidence has shifted from the age of 65-69 years to older category (75-79 years). Mean age of patients increased by 4.6 years (53.8±1.9 years in 2022) for men and 5.5 years (58.3±1.7 years in 2022) for women (<i>p</i><0.001). We developed the algorithm for therapeutic and diagnostic care in patients with CNS tumors to solve permanent organizational problems in the Tomsk region. A specialized neuro-oncological registry based on territorial cancer registry was used.</p><p><strong>Conclusion: </strong>Development and implementation of neuro-oncological registry programs for all tumors of the central nervous system will be valuable to assess oncological epidemiological situation. Moreover, we can expect earlier diagnosis and timely specialized treatment of such patients.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 5","pages":"14-22"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142476330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K S Gordienko, A V Trashin, V V Stepanenko, Yu A Shulev
{"title":"[Posterior petrous meningioma with secondary trigeminal neuralgia: microsurgical resection after stereotactic radiosurgery (case report and literature review)].","authors":"K S Gordienko, A V Trashin, V V Stepanenko, Yu A Shulev","doi":"10.17116/neiro20248804185","DOIUrl":"10.17116/neiro20248804185","url":null,"abstract":"<p><p>According to the literature, cerebellopontine angle tumors cause secondary trigeminal neuralgia and other symptoms of neurovascular compression in 1-9.9% of cases. We present a 58-year-old patient with left-sided secondary trigeminal neuralgia caused by ipsilateral posterior petrous meningioma. Stereotactic irradiation was followed by effective tumor growth control. However, residual trigeminal pain paroxysms significantly reduced the quality of life and required subsequent microsurgery. Trigeminal facial pain regressed after total resection of tumor. Considering this clinical case, we would like to discuss several issues: follow-up of meningioma requiring radiosurgery, course of secondary trigeminal neuralgia in a patient with apical petrous meningioma, characteristics of pain before and after radiosurgery, the best treatment option for these patients. Stereotactic radiosurgery seems unreasonable for CPA tumors with secondary trigeminal neuralgia. Indeed, persistent pain is possible even after tumor shrinkage. Moreover, primary stereotactic irradiation significantly complicates subsequent resection of tumor.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 4","pages":"85-91"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142018882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A N Shkarubo, I V Chernov, A A Veselkov, D N Andreev, Z F Yakupova, P P Kalinin
{"title":"[Endoscopic transnasal resection of clival meningiomas].","authors":"A N Shkarubo, I V Chernov, A A Veselkov, D N Andreev, Z F Yakupova, P P Kalinin","doi":"10.17116/neiro202488021105","DOIUrl":"10.17116/neiro202488021105","url":null,"abstract":"<p><strong>Background: </strong>Surgical treatment of ventral and ventrolateral meningiomas of posterior cranial fossa is difficult in modern neurosurgery. This is due to peculiarities of approach to these areas and concentration of critical structures (cranial nerves and great vessels). Currently, endoscopic transnasal approach to these meningiomas allows partial, and in some cases, total resection. However, this technique is not widespread.</p><p><strong>Objective: </strong>To analyze the world literature data on postoperative outcomes in patients with clival and petroclival meningiomas after endoscopic transnasal resection.</p><p><strong>Material and methods: </strong>We analyzed 22 articles representing treatment of 61 patients with clival and petroclival meningiomas.</p><p><strong>Results: </strong>Total or near-total resection was achieved in 22.9% of cases, subtotal resection - 40.9%, partial resection - 26.2% (data were not provided in other cases). Even partial and subtotal resection leads to significant regression of symptoms.</p><p><strong>Conclusion: </strong>Endoscopic transnasal surgery is a full-fledged alternative to transcranial approaches in surgical treatment of clival meningiomas. It is also an additional option for patients with petroclival meningiomas after ineffective transcranial approaches. Transnasal tumor shrinkage and devascularization lead to brainstem decompression, regression of hydrocephalus and baseline clinical symptoms.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 2","pages":"105-111"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140319364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V A Chekhonatsky, K B Mirzaev, G V Pavlova, D Yu Usachev, N B Zakharova, A A Chekhonatsky, A V Kuznetsov, A V Gorozhanin, O N Dreval
{"title":"[Genetic factors in degenerative disc disease].","authors":"V A Chekhonatsky, K B Mirzaev, G V Pavlova, D Yu Usachev, N B Zakharova, A A Chekhonatsky, A V Kuznetsov, A V Gorozhanin, O N Dreval","doi":"10.17116/neiro202488021112","DOIUrl":"10.17116/neiro202488021112","url":null,"abstract":"<p><strong>Objective: </strong>To analyze available literature data on the role of genetic factors in degenerative disc disease.</p><p><strong>Methodology: </strong>We reviewed the PubMed, MEDLINE, Cohrane Library, e-Library databases using the following keywords: degenerative spine lesions, intervertebral disc herniation, pathogenesis, genetic regulation.</p><p><strong>Results: </strong>Searching depth was 2002-2022. We reviewed 84 references. Exclusion criteria: duplicate publications, reviews without detailed description of results, opinions. Finally, we included 43 the most significant studies.</p><p><strong>Conclusion: </strong>There are literature data on proinflammatory cytokines, growth factors and osteodestructive processes in pathogenesis of degenerative disc disease. However, there is only fragmentary information about the role of genetic regulation of these processes. Some factors, such as microRNA, TGF-b, VEGF, MMP are still poorly understood.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 2","pages":"112-118"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140319365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ya A Sliman, N S Samoylenkova, O M Antipova, V A Brylev, D A Veryutin, K A Sapozhnikova, A I Alekseeva, I N Pronin, A M Kopylov, G V Pavlova
{"title":"[Covalently conjugated DNA aptamer with doxorubicin as in vitro model for effective targeted drug delivery to human glioblastoma tumor cells].","authors":"Ya A Sliman, N S Samoylenkova, O M Antipova, V A Brylev, D A Veryutin, K A Sapozhnikova, A I Alekseeva, I N Pronin, A M Kopylov, G V Pavlova","doi":"10.17116/neiro20248801148","DOIUrl":"10.17116/neiro20248801148","url":null,"abstract":"<p><p>Targeted delivery of chemotherapeutic agents with aptamers is a very effective method increasing therapeutic index compared to non-targeted drugs.</p><p><strong>Objective: </strong>To study the effectiveness of in vitro therapeutic effect of covalently conjugated GR20 DNA aptamer with doxorubicin on glioblastoma cells compared to reference culture of human fibroblasts.</p><p><strong>Material and methods: </strong>A Sus/fP2 cell culture was obtained from glioblastoma tissue sample to analyze the effectiveness of conjugate. A linear culture of human dermal fibroblasts (mesenchymal stem cells) DF1 was used as a control. To assess antiproliferative activity of covalently conjugated GR20 aptamer with doxorubicin, we used the MTS test. The Cell Index was measured using the xCelligence S16 cell analyzer assessing viability of cell cultures by recording changes in real time.</p><p><strong>Results: </strong>Human glioblastoma Sus/fP2 cells reduce own proliferative potential by 80% when exposed to doxorubicin (0.5 µM, 72 hours, MTS test), by 9% when exposed to GR20 aptamer (10 µM, 72 hours, MTS test) and by 26% when exposed to covalently conjugated DOX-GR20 (0.5 µM, 72 hours, MTS test). A long-term study of proliferative potential of Sus/fP2 cells on the xCelligence S16 analyzer revealed a significant decrease in the number of cells under the effect of doxorubicin and covalently conjugated DOX-GR20. Effectiveness of covalently conjugated DOX-GR20 is halved. GR20 aptamer at a concentration of 10 μM and its conjugate with doxorubicin DOX-GR20 at a concentration of 1 μM have no negative effect on cells of the control culture of DF1 fibroblasts, while doxorubicin is toxic for these cells. MTS test and xCelligence S16 cell analyzer found no decrease in metabolic activity of DF1 cells and their ability to proliferate.</p><p><strong>Conclusion: </strong>We established obvious antiproliferative effect of covalent conjugate DOX-GR20 on continuous human glioblastoma cell culture Sus/fP2 without toxic effect on the reference culture (dermal fibroblasts DF1).</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 1","pages":"48-55"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139708067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A V Kosyrkova, D V Gusev, S A Goryainov, A D Kravchuk, A A Aristov, A I Batalov, N E Zakharova, S V Shugai, G V Pavlova, I N Pronin
{"title":"[National and world experience in functioning of centers for collective use of biological resource collections of tumors of the central nervous system].","authors":"A V Kosyrkova, D V Gusev, S A Goryainov, A D Kravchuk, A A Aristov, A I Batalov, N E Zakharova, S V Shugai, G V Pavlova, I N Pronin","doi":"10.17116/neiro20248803159","DOIUrl":"https://doi.org/10.17116/neiro20248803159","url":null,"abstract":"<p><p>Collective use center is an organization or structural unit with unique resource providing access to this resource for internal and third-party users. Collective use centers are a relatively new phenomenon in bioresource collections, especially collections of human biological material due to some ethical and legal issues. At the same time, the demand for human biological material continues to grow in fundamental and applied researches. The collective use center «Bioresource collection of tissues and cell cultures of tumors of the human nervous system for fundamental and applied researches» has worked since October 14, 2022. This center has access to unique collection of the Laboratory of Neurosurgical Anatomy and Conservation of Human Biological Tissues of the Burdenko Neurosurgical Center.</p><p><strong>Objective: </strong>To analyze the experience of collective use center and biobank of the Burdenko Neurosurgical Center compared to national and international data on functioning of collective use centers specializing in tumors of the human central nervous system.</p><p><strong>Material and methods: </strong>We reviewed the PubMed and e-Library databases using the following keywords: core facilities brain tumors, repository of collective use brain tumors, biobank of CNS tumors, central nervous system tumor collection centers. We also analyzed the organizations registered on the portal of scientific and technical infrastructure of the Russian Federation.</p><p><strong>Results: </strong>We analyzed 275 publications devoted to collective use centers and biobanks. These biobanks do not position themselves as collective use centers but actively realize biological material for researches. Structure of institutions presented on the portal of scientific and technical infrastructure of the Russian Federation is characterized. The collective use center «Bioresource collection of tissues and cell cultures of tumors of the human nervous system for fundamental and applied researches» has access to biobank of the Burdenko Neurosurgical Center. To date, the biobank contains more than 8478 aliquots of tumor tissue frozen at ultra-low temperature (-196°C) and obtained from 1993 patients. Considering available data, we established the basic principles of work in collective use centers with bioresource collections.</p><p><strong>Conclusion: </strong>Collective use centers with bioresource collections of tumors of the central nervous system are rare. There is only one collective use center organized at the Burdenko Neurosurgical Center on the portal of scientific and technical infrastructure of the Russian Federation. At the same time, there is an urgent need to increase their number and activity in Russia and other countries worldwide. You can use the resource of brain tumor collections by leaving a request on the official website of this organization in the «Collective use center» section.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 3","pages":"59-64"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141331883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yu V Pilipenko, Sh Sh Eliava, O B Belousova, D N Okishev, An N Konovalov, A V Tsarikaev
{"title":"[Venous cerebral complications after microsurgery for complex aneurysms of the middle cerebral arteries].","authors":"Yu V Pilipenko, Sh Sh Eliava, O B Belousova, D N Okishev, An N Konovalov, A V Tsarikaev","doi":"10.17116/neiro20248803114","DOIUrl":"https://doi.org/10.17116/neiro20248803114","url":null,"abstract":"<p><p>Microsurgeries are common for complex aneurysms of the middle cerebral artery (MCA).</p><p><strong>Objective: </strong>To evaluate the incidence and types of venous cerebral disorders after microsurgeries for complex MCA aneurysms.</p><p><strong>Material and methods: </strong>A retrospective study included 285 patients with complex MCA aneurysms between 2009 and 2020. Pterional craniotomy and transsylvian approach were used in all cases. Aneurysm clipping was performed in 230 cases, revascularization - 27, trapping without bypass - 17, reinforcement - in 11 cases. Computed tomography within 1-3 days after surgery recognized venous cerebral disorders as heterogeneous foci of abnormal brain density with unclear boundaries. These foci were crescent-shaped as a rule and located in deep and basal parts of the frontal lobes.</p><p><strong>Results: </strong>Venous abnormalities occurred in 76 (26.7%) patients. Thirty-five (12.3%) patients had mild venous edema of the frontal lobe alone. In 35 (12.3%) patients, we found moderate disorders with focus in the frontal lobe and compression of anterior horn of the left lateral ventricle with or without hemorrhagic imbibition. Severe disorders occurred in 6 (2.1%) patients with lesion extending to the frontal, insular and temporal lobes. These lesions were accompanied by hemorrhagic imbibition, and lateral dislocation exceeded 5 mm.</p><p><strong>Conclusion: </strong>Careful dissection of veins in Sylvian fissure with preservation of bridging veins is likely to reduce the risk of this complication. Cauterization of a large vein in Sylvian fissure should be followed by careful hemostasis within frontal or temporal cortex. Bleeding and cortical tension can indicate intracerebral hematoma whose likelihood is higher in patients with venous cerebral disorders.</p>","PeriodicalId":24032,"journal":{"name":"Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko","volume":"88 3","pages":"14-20"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141331889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}