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Brain with coexistent acoustic schwannoma and ependymoma.
BMC Geriatr
January 2025
Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
Background: This particular case is a world-first with no previous literature reports on patients presenting with both benign acoustic schwannoma and malignant ependymoma.
Case Presentation: A 60-year-old woman with unexplained right-sided hearing loss that had worsened progressively over 4 years, along with intermittent dizziness that had begun 3 years prior. Our preliminary diagnosis included: (1) Right acoustic neuroma; (2) Ependymoma of the fourth ventricle; and (3) Hydrocephalus.
Identifying subtle differences : a radiomics model assessment for gastric schwannomas and gastrointestinal stromal tumors across risk grades.
Front Oncol
December 2024
Department of Computed Tomography and Magnetic Resonance, Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
Objective: This study aims to develop and validate an enhanced computed tomography (CT)-based radiomics model to differentiate gastric schwannomas (GS) from gastrointestinal stromal tumors (GIST) across various risk categories.
Methods: This retrospective analysis was conducted on 26 GS and 82 GIST cases, all confirmed by postoperative pathology. Data was divided into training and validation cohorts at a 7:3 ratio.
Distinguishing Characteristics of Benign Versus Malignant Intraosseous Schwannomas: A Comparative Study.
Orthop Surg
December 2024
Department of Radiology, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
Objectives: Benign and malignant intraosseous schwannomas are rare, and primarily documented in case reports. This study aims to elucidate the differences in clinical features and imaging manifestations between these tumors. This will help clinicians identify malignant lesions at an early stage, reliable guide treatment decisions, and accurately predict outcomes.
View Article and Find Full Text PDFThe feasibility and clinical outcome of endoscopic transorbital transcavernous approaches with or without petrosectomy for petroclival lesions.
J Neurosurg
November 2024
2Department of Neurosurgery, Asan Medical Center, College of Medicine, Ulsan University, Seoul, Korea.
Objective: Petroclival tumors such as petroclival meningiomas or trigeminal schwannomas extending to the posterior cranial fossa are challenging to treat due to their deep-seated location and proximity to critical neurovascular structures. This study aimed to evaluate the feasibility, safety, and clinical outcomes of endoscopic transorbital surgery for the resection of central skull base tumors involving the petroclival area.
Methods: The authors conducted a retrospective analysis of 32 patients with petroclival tumors including meningiomas and trigeminal schwannomas who underwent endoscopic transorbital surgery between September 2017 and December 2022.
Imaging manifestations of cervical aggressive fibromatosis: a case report and literature review.
Front Oncol
October 2024
Department of Radiology, The Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, China.
Cervical aggressive fibromatosis is a rare intermediate tumor characterized by invasive growth. Aggressive fibromatosis (AF), also referred to as desmoid-type fibrosarcoma or grade I fibrosarcoma, is a clonal proliferative lesion of fibroblasts located in deep soft tissues. While many cases have been reported, there are relatively few involving aggressive fibromatosis in the anterior inferior margin muscle space of the neck trapezius muscle.
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