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Cerebral aneurysms and arachnoid cysts are relatively common cerebral malformations and the use of recent modalities has increased their detection rates. However, cerebral aneurysms associated with arachnoid cysts are unusual. We describe two cases of ruptured cerebral aneurysms associated with arachnoid cysts. According to previous reports, clinical presentation may sometimes be unusual, as cysts can prevent subarachnoid hemorrhage. Moreover, in some cases, CT may reveal typical arachnoid cysts without subarachnoid hemorrhage, without intracystic hematoma, or with subdural hematoma alone. These clinical presentations and radiologic findings can lead to delayed diagnosis of subarachnoid hemorrhage. Therefore, we should consider the coexistence of arachnoid cyst in case of a warning sign of aneurysm rupture.
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http://dx.doi.org/10.11477/mf.1436204301 | DOI Listing |
Pain Med Case Rep
August 2025
Department of Physical Medicine and Rehabilitation, University of Pittsburgh Medical Center, Pittsburgh, PA.
Background: Patients with connective tissue disorders (CTDs), such as Ehlers-Danlos syndrome, can present unique challenges in the management of spinal pathology and procedural complications due to underlying tissue fragility and susceptibility to dural ruptures. Thus, there is a need for less invasive diagnostic and therapeutic care in this population.
Case Report: We present a case of a 48-year-old woman with joint hypermobility who developed acute-on-chronic back pain and radicular symptoms.
J Neurosurg Case Lessons
September 2025
School of Medicine, New York Medical College, Valhalla, New York.
Background: Spinal arachnoid cysts can cause myelopathy through spinal cord compression. While MRI is the standard for diagnosis, traditional sequences may not clearly define cyst borders and septations, which are important for guiding surgical intervention. Balanced fast field echo (B-FFE) is an MRI sequence that highlights small arachnoid membranes within and at the borders of CSF spaces.
View Article and Find Full Text PDFBackground: Arachnoid cysts are mostly benign, cerebrospinal fluid-filled sacs within the arachnoid membrane. Although they are often asymptomatic and discovered incidentally, they can also present with serious complications such as hemorrhage or rupture. This study aims to highlight the clinical presentation, radiological findings, and surgical management of complicated symptomatic arachnoid cysts in a case series.
View Article and Find Full Text PDFBrain Spine
August 2025
Department of Neurosurgery, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
Introduction: Full-endoscopic spinal surgery (monoportal endoscopy) has emerged as a minimally invasive alternative for managing intradural spinal pathologies, offering reduced morbidity and accelerated recovery compared to conventional techniques.
Research Question: What is the current evidence on the effectiveness, limitations, and future prospects of full-endoscopic spinal surgery for intradural pathologies?
Material And Methods: A systematic review following PRISMA guidelines was conducted. Electronic databases (Cochrane, OVID-MEDLINE, PubMed, Embase, Web of Science, Scopus) were searched for studies published from 2000 to 2024.
Agri
July 2025
Department of Neurosurgery, Health Sciences University, İzmir Bozyaka Training and Research Hospital, İzmir, Türkiye.
A quadrigeminal cistern arachnoid cyst is an extremely rare cause of trigeminal neuralgia in adulthood. This report presents the fourth case in the literature of trigeminal neuralgia caused by a giant quadrigeminal cistern arachnoid cyst. A 52-year-old woman presented with a 3-month history of cerebellar ataxia and vertigo.
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