NeurosciencesPub Date : 2024-07-01DOI: 10.17712/nsj.2024.3.20230111
Yaser M Al Malik
{"title":"Tumefactive demyelinating lesions: A literature review of recent findings.","authors":"Yaser M Al Malik","doi":"10.17712/nsj.2024.3.20230111","DOIUrl":"10.17712/nsj.2024.3.20230111","url":null,"abstract":"<p><p>Tumefactive demyelinating lesion is a variant of multiple sclerosis that is a diagnostic challenge. Tumefactive demyelinating lesion requires extensive work-up as its clinical and radiological features are often indistinguishable from other central nervous system lesions, such as tumors. Diagnosis is further complicated by the increasing recognition that tumefactive demyelinating lesions can occur alongside, evolve into, or develop from numerous conditions other than multiple sclerosis, pointing to a possible overlapping etiology. We review herein relevant studies from 2017 onwards to provide a current view on the pathogenesis, clinical and imaging findings, novel diagnostic techniques for differential diagnoses, and management of tumefactive demyelinating lesions.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"153-160"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305340/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Intracerebral benign fibrous histiocytoma.","authors":"Liusong Yang, Mingzhe Zheng, Yingfeng Zhu, Zhongqing Chen","doi":"10.17712/nsj.2024.3.202300116","DOIUrl":"10.17712/nsj.2024.3.202300116","url":null,"abstract":"<p><p>Benign fibrous histiocytoma (BFH) within the intracerebral region is remarkably rare. Our report details 2 cases of unusual BFH instances that exhibit no adhesion to the dura mater or cerebral falx, accompanied by a comprehensive literature review. While magnetic resonance imaging demonstrates specific characteristics for BFH, it does not readily differentiate BFH from more common brain neoplasms like gliomas and metastatic tumors. The definitive diagnosis of BFH depends primarily on histopathological and immunohistochemical examinations. Total surgical resection is considered an efficacious therapeutic approach, emphasizing the necessity for prolonged postoperative surveillance to detect any potential tumor recurrence or metastasis.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"201-206"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305338/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Can artificial intelligence techniques help clinicians assess and treat patients with bone fractures?","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"211"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305342/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-07-01DOI: 10.17712/nsj.2024.3.20230003
Shanshan Chen, Hongrong Cheng, Guohua Zhao
{"title":"The genetic spectrum of <i>NF1</i> variants in 10 unrelated Chinese families with neurofibromatosis type 1.","authors":"Shanshan Chen, Hongrong Cheng, Guohua Zhao","doi":"10.17712/nsj.2024.3.20230003","DOIUrl":"10.17712/nsj.2024.3.20230003","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the clinical and genetic features in a cohort of Chinese families with neurofibromatosis type 1 (NF1).</p><p><strong>Methods: </strong>The clinical information of 21 patients with <i>NF1</i> in 10 families was retrospectively analyzed. To broaden the genetic spectrum of <i>NF1</i>, multiplex ligation-dependent probe amplification analysis was performed first, followed by the whole-exome sequencing, in order to identify pathogenic or potentially pathogenic variants of <i>NF1</i> gene in 10 unrelated Chinese families.</p><p><strong>Results: </strong>Nine different <i>NF1</i> variants were identified in all 10 families. Of these, 7 were known pathogenic variants and included the exon 1 deletion, exons 1-58 deletion, c.5401C>T (p.Q1801*), c.2291-2A>C, c.484C>T (p.Q162*), c.4922G>A (p.W1641*) and c.1019_1020del (p.S340Cfs*25). The 2 novel variants were c.5197T>C (p.S1733P) and c.783_797delinsC (p.K261Nfs*25). The p.S1733P variant was classified as a variant of uncertain significance, while p.K261Nfs*25 was classified as pathogenic. Hence, the positive detection rate of <i>NF1</i> variants was 100% (10/10). While the truncating variants were responsible for 60.0% (6/10) of the cases, the splicing variant was responsible for 10% (1/10) of the cases.</p><p><strong>Conclusion: </strong>We identified 2 novel heterozygous variants (c.5197T>C and c.783_797delinsC) in the <i>NF1</i> gene, which broadens the genetic spectrum of the <i>NF1</i> gene.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"177-183"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-07-01DOI: 10.17712/nsj.2024.3.20230086
Walaa A Aldarwish, Rakan F Alshammari, Bader A AlEnzi
{"title":"Traumatic vertebral artery dissection associated with cervical neck traction devices.","authors":"Walaa A Aldarwish, Rakan F Alshammari, Bader A AlEnzi","doi":"10.17712/nsj.2024.3.20230086","DOIUrl":"10.17712/nsj.2024.3.20230086","url":null,"abstract":"<p><p>Cervical arterial dissection (CAD) is a common cause of stroke in young people which can be classified as either spontaneous or traumatic. The primary initial symptoms are headache, neck pain, and dizziness. Recently, a 57-year-old woman experienced a severe headache after using a cervical neck traction device. Radiological examination of the head and neck revealed right vertebral artery dissection, which emphasizes the importance of recognizing that using cervical neck traction devices increases the risk of traumatic vertebral artery dissection.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"197-200"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305339/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"STRENGTHENED GLOBAL CAPACITIES ON CLIMATE CHANGE AND HEALTH: WHO TRAINING IN MADRID.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"212-213"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305344/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-07-01DOI: 10.17712/nsj.2024.3.20230108
Murad Alturkustani
{"title":"Unraveling morphology, methylation profiling, and diagnostic challenges in BRAF-Mutant pediatric glial and glioneuronal tumors.","authors":"Murad Alturkustani","doi":"10.17712/nsj.2024.3.20230108","DOIUrl":"10.17712/nsj.2024.3.20230108","url":null,"abstract":"<p><strong>Objectives: </strong>To elucidate the relationship between DNA methylation profiling (DMP) and pathological diagnosis (PD) in pediatric glial and glioneuronal tumors with B-Raf proto-oncogene, serine/threonine kinase <i>(BRAF)</i> mutations, addressing their diagnostic challenges.</p><p><strong>Methods: </strong>This retrospective study, conducted in Saudi Arabia, analyzed 47 cases from the Children's Brain Tumor Network online database using scanned images, next-generation sequencing data, and methylation profiles processed using the Heidelberg methylation brain tumor classifiers v12.5 and v12.8. The data was last access on 10 November 2023.</p><p><strong>Results: </strong>The highest prevalence of <i>BRAF</i> mutations was observed in pilocytic astrocytoma and ganglioglioma. The DMP was consistent with PD in 23 cases, but discrepancies emerged in others, including diagnostic changes in diffuse leptomeningeal glioneuronal tumor and polymorphous low-grade neuroepithelial tumor of the young. A key inconsistency appeared between a pilocytic astrocytoma MC and a glioneuronal tumor PD. Two high-grade astrocytomas were misclassified as pleomorphic xanthoastrocytomas. Additionally, low variant allelic frequency in gangliogliomas likely contributed to misclassifications as control in 5 cases.</p><p><strong>Conclusion: </strong>This study emphasized the importance of integrating DMP with PD in diagnosing pediatric glial and glioneuronal tumors with <i>BRAF</i> mutations. Although DMP offers significant diagnostic insights, its limitations, particularly in cases with low tumor content, necessitate cautious interpretation, as well as its use as a complementary diagnostic tool, rather than a definitive method.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 3","pages":"168-176"},"PeriodicalIF":1.2,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305341/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141563875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-05-01DOI: 10.17712/nsj.2024.2.20230072
Ameerah K Alsaqobi, Brouj A Miskin, Biju Gopinath, Ghada Elgohary
{"title":"More than what meets the eye in COVID-19 critical illness: A case report of bilateral femoral neuropathy due to psoas hematomas.","authors":"Ameerah K Alsaqobi, Brouj A Miskin, Biju Gopinath, Ghada Elgohary","doi":"10.17712/nsj.2024.2.20230072","DOIUrl":"10.17712/nsj.2024.2.20230072","url":null,"abstract":"<p><p>Bilateral femoral neuropathy is rare, especially that caused by bilateral compressive iliopsoas, psoas, or iliacus muscle hematomas. We present a case of bilateral femoral neuropathy due to spontaneous psoas hematomas developed during COVID-19 critical illness. A 41-year-old patient developed COVID-19 pneumonia, and his condition deteriorated rapidly. A decrease in the hemoglobin level prompted imaging studies during his intensive care unit (ICU) stay. Bilateral psoas hematomas were identified as the source of bleeding. Thereafter, the patient complained of weakness in both upper and lower limbs and numbness in the lower limb. He was considered to have critical illness neuropathy and was referred to rehabilitation. Electrodiagnostic testing suggested bilateral femoral neuropathy because of compression due to hematomas developed during the course of his ICU stay. The consequences of iliopsoas hematomas occurring in the critically ill can be catastrophic, ranging from hemorrhagic shock to severe weakness, highlighting the importance of recognizing this entity.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 2","pages":"133-138"},"PeriodicalIF":1.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140916855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-05-01DOI: 10.17712/nsj.2024.2.20230061
Mohammed Almuqbil, Waad Aldoohan, Sara Alhinti, Nora Almahmoud, Imad Abdulmajeed, Rayan Alkhodair, Amna Kashgari, Duaa Baarmah, Waleed Altwaijri, Ahmad Alrumayyan
{"title":"Review of the spectrum of tuberous sclerosis complex: The Saudi Arabian Experience.","authors":"Mohammed Almuqbil, Waad Aldoohan, Sara Alhinti, Nora Almahmoud, Imad Abdulmajeed, Rayan Alkhodair, Amna Kashgari, Duaa Baarmah, Waleed Altwaijri, Ahmad Alrumayyan","doi":"10.17712/nsj.2024.2.20230061","DOIUrl":"10.17712/nsj.2024.2.20230061","url":null,"abstract":"<p><strong>Objectives: </strong>To determine the prevalence of tuberous sclerosis complex (TSC) in the paediatric Saudi population and to characterise the range of clinical symptoms, neurocutaneous findings, neuroimaging results, and complications of the disease.</p><p><strong>Methods: </strong>A total of 61 genetically confirmed TSC patients from the National Guard Health Affairs (NGHA) in Saudi Arabia were the subject of this retrospective descriptive analysis. The data were presented using descriptive measures.</p><p><strong>Results: </strong>The mean age at diagnosis was found to be 4.9 years. Subependymal nodules (86.9%), numerous cortical tubers and/or radial migration lines (63.9%), and hypomelanotic macules (63.9%) were the 3 most common significant criteria. The vast majority (86.9%) of those diagnosed had epilepsy, of which 50% were considered medically intractable. Nearly half of our subjects underwent genetic testing, which revealed that TSC2 predominated over TSC1. Symptoms of Tuberous Sclerosis Complex-Associated Neuropsychiatric Disorders (TAND) were present in 66.7% of TSC1 patients and 73.9% of TSC2 patients.</p><p><strong>Conclusion: </strong>The findings of this study demonstrate that the clinical spectrum of TSC among Saudi children is consistent with the body of existing literature. The TSC2 was more prevalent than TSC1. The most frequent signs were cutaneous and neurological. Monitoring TSC patients regularly is crucial to identify any issues as soon as possible.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 2","pages":"113-121"},"PeriodicalIF":1.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305360/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140916907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NeurosciencesPub Date : 2024-05-01DOI: 10.17712/nsj.2024.2.20230089
Ali H Alassiri, Turki M Alfayea, Tariq I Aljared, Khaled R Alenezi
{"title":"Sporadic subependymal giant cell astrocytoma with somatic <i>TSC2</i> mutation: A case report.","authors":"Ali H Alassiri, Turki M Alfayea, Tariq I Aljared, Khaled R Alenezi","doi":"10.17712/nsj.2024.2.20230089","DOIUrl":"10.17712/nsj.2024.2.20230089","url":null,"abstract":"<p><p>Subependymal giant cell astrocytoma (SEGA) is a rare circumscribed astrocytic glioma that occurs in approximately 25% of all tuberous sclerosis (TSC) cases. Herein, we discuss an atypical presentation of SEGA, including the genetic alterations, impact on clinical presentation, and the determinants of each medical and surgical treatment option. A 14-year-old girl presented with intermittent headache and a right intraventricular mass originating near the foramen of Monro. The tumor's proximity to critical structures necessitated maximum safe resection, which improved her symptoms. Histological findings indicated SEGA, and genetic sequencing revealed a <i>TSC2</i> mutation. However, complete clinical and radiological evaluations failed to reveal TSC. Two months later, a new subependymal nodule was incidentally found. She had a recurrent left occipital horn lesion and diffuse smooth leptomeningeal enhancement with no spine drop metastases. She was administered everolimus as the tumor was considered unresectable. Subsequent imaging revealed a reduction in both residual and new lesions.</p>","PeriodicalId":19284,"journal":{"name":"Neurosciences","volume":"29 2","pages":"139-143"},"PeriodicalIF":1.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11305366/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140916918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}