Diagnostic Accuracy of MRI and CT Scan Features in Differentiation of Pediatric Ependymoma from Medulloblastoma [0.03%]
MRI和CT影像学特征鉴别儿童室管膜瘤与髓母细胞瘤的价值
Sam Mirfendereski,Neda Mansouri
Sam Mirfendereski
Materials & methods: This retrospective cross-sectional study was conducted on all pediatric patients with posterior fossa tumors admitted to teaching hospitals affiliated with Isfahan University of Medical Sciences from 2017 to 2022....Forty-three patients with posterior fossa tumors were identified, and seven patients were excluded due to diagnoses other than medulloblastoma or ependymoma.
Preventing What Matters: A Fast and Reliable Technique to Secure External Ventricular Drains and Avoid Dislodgement [0.03%]
防患于未然:一种快速可靠的外部脑室引流管固定及防止脱位技术
Sevgi Sarikaya-Seiwert,Christian Wispel,Muriel Heimann et al.
Sevgi Sarikaya-Seiwert et al.
Indications for EVD included posterior fossa tumor surgery (n=39), shunt infection and intracerebral or intraventricular hemorrhage (n=22), and intracerebral abscess (n=1).
Syringohydromyelia, syringobulbia and syringocephaly associated with Chiari - I malformation: A case report [0.03%]
与Chiari-I畸形相关的髓室水脑症、桥延池积水和脑池积水:病例报告
Nebil A Shukralla,Etsehiwot Demeke,Fitsum A Gemechu et al.
Nebil A Shukralla et al.
Following posterior fossa decompression, the patient experienced significant neurological improvement, including restored motor function and resolution of intracranial edema, although the cervical syrinx cavity remained stable.
Vafa Rahimi-Movaghar,Hamid Bahmani,Mohsen Hajiqasemi
Vafa Rahimi-Movaghar
Results: Clinical presentations depend on the compression location, such as the "talk and die" phenomenon in posterior fossa AEDH or motor impairments due to subfalcine herniation.
Cerebellar Mutism/Posterior Fossa Syndrome Following Resection of Posterior Fossa Tumor in Pediatric Patients: Assessing Pathophysiology, Risk Factors, and Neuroradiographic Features [0.03%]
儿童后颅窝肿瘤切除术后的脑桥延髓综合征:评估病理生理学、危险因素和神经影像学特征
Vikrant Setia,Monirah Zeya,Arvind Kumar Srivastava et al.
Vikrant Setia et al.
Objectives: To evaluate pediatric patients with posterior fossa tumors for incidence, clinical characteristics, pathophysiology, risk factors, and neuroradiographic features of this syndrome....Materials and methods: The study included 60 pediatric patients with a posterior fossa tumor who underwent surgery by a telovelar approach. Detailed pre- and postoperative clinical and radiological evaluations were done....fossa structures.Pathological-histopathology of tumor.The preoperative, immediate postoperative, and 1-year postoperative imaging results were reviewed to assess the neuroradiographic features in the two groups....The presence of brainstem and peduncular edema in the immediate postoperative period ( p -value = 0.04) and gross atrophy of posterior fossa structures at 1 year ( p -value = 0.01) showed significance toward the development of CMS....Keywords: dysarthria; mutism; neurobehavioral; posterior fossa syndrome; posterior fossa tumors in children. Asian Congress of Neurological Surgeons.
Diagnostic Performance of Neural Network-Based Artificial Intelligence in the Detection and Classification of Pediatric Astrocytoma: A Systematic Review [0.03%]
基于神经网络的人工智能在儿童星形细胞瘤检测和分类中的诊断性能的系统评价
Nermin Ezat Elbakry Abdelmahdy,Essra Tajelsir Abd Alnour Suliman,Fatima Mahmoud Osman Mohmed et al.
Nermin Ezat Elbakry Abdelmahdy et al.
Pediatric posterior fossa tumors, particularly astrocytomas, pose significant diagnostic challenges due to their histological diversity and overlapping imaging features. Conventional methods relying on radiologists' interpretations are prone to subjectivity and variability....Studies were included if they evaluated neural network-based AI for pediatric posterior fossa tumor diagnosis and reported quantitative performance metrics....Keywords: artificial intelligence; diagnostic accuracy; neural networks; pediatric astrocytoma; posterior fossa tumors. Copyright © 2025, Elbakry Abdelmahdy et al.
Clinical outcome of different surgical approaches for symptomatic Chiari malformation without syringomyelia: a 13-year retrospective study [0.03%]
症状性先天小脑扁桃体下疝畸形的手术疗效分析:13年回顾性研究
Qi-Shuai Yu,Teng Li,Ming Wan et al.
Qi-Shuai Yu et al.
Patients underwent one of two surgical approaches: posterior fossa decompression (PFD) or posterior fossa decompression with duraplasty (PFDD). Data on clinical symptoms, intradural findings, surgical outcomes, and postoperative complications were collected and analyzed.
Two illustrative cases of adult Lhermitte-Duclos disease and a systematic review of literature related to surgical management [0.03%]
成人Lhermitte-Duclos病的两例插图及外科治疗文献系统回顾
Goran Lakicevic,Selma Tinjak-Demic,Sandra Lakicevic et al.
Goran Lakicevic et al.
They were both successfully operated on due to the posterior fossa dysplastic gangliocytoma, which was histopathologically confirmed as Lhermitte-Duclos disease....Surgical posterior fossa decompression is required at the onset of neurological symptoms to relieve the mass effect and provide tissue samples for further analysis, ensuring a favorable outcome.
Case Reports
Brain & spine. 2025 Apr 25:5:104258. DOI:10.1016/j.bas.2025.104258 2025
Diffuse midline H3K27-altered glioma in an atypical location mimicking a medulloblastoma [0.03%]
一个罕见位置的弥散性中线H3K27改变型胶质瘤,类似髓母细胞瘤
Yamila Basilotta Marquez,Juan Medina,Diego Fernando Velasco Sanchez et al.
Yamila Basilotta Marquez et al.
It often presents with nonspecific neurological symptoms and can mimic other posterior fossa tumors, such as medulloblastoma, on imaging....Case description: We present the case of a 10-year-old girl who developed progressively worsening neurological symptoms, raising suspicion of a posterior fossa tumor. Initial magnetic resonance imaging findings suggested a diagnosis of medulloblastoma....Conclusion: This case highlights the importance of considering DMG, particularly with H3K27 alterations, as a differential diagnosis in posterior fossa tumors. The presence of these genetic mutations significantly impacts both treatment decisions and prognosis.
Posterior fossa hemorrhagic complication after tuberculum sellae meningioma surgery through transcranial corridor: A proposed hypothesis [0.03%]
经颅入路鞍结节脑膜瘤手术后小脑扁桃体区出血并发症的假设性分析
Guive Sharifi,Esmaeil Mohammadi,Ali Jafari
Guive Sharifi
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