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Arachnoid cyst

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https://www.readbyqxmd.com/read/29351690/the-transcondylar-approach-to-access-symptomatic-arachnoid-cysts-of-the-hypoglossal-canal
#1
Jan-Karl Burkhardt, Christina Bal, Marian Christoph Neidert, Oliver Bozinov
BACKGROUND AND IMPORTANCE: A direct transcondylar approach to treat symptomatic arachnoid cysts of the hypoglossal canal has not yet been described in the literature. CLINICAL PRESENTATION: Here, we present a skull base approach in 2 female patients (68 and 38 yr) with progressive dysphagia, dysarthria, half-sided weakness, and atrophy of the tongue due to an arachnoid cyst of the hypoglossal canal. After patient informed consent, both patients were successfully operated on without complications using a transcondylar approach, and their symptoms improved 3 mo after surgery; in both patients, resection of the cyst was confirmed using magnetic resonance imaging...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29327862/endoscopic-fenestration-of-a-posterior-fossa-arachnoid-cyst-to-treat-a-chiari-like-headache
#2
Matteo Vitali, Andrea Cattalani, Vincenzo M Grasso, Alessandro Bertuccio, Andrea Barbanera
No abstract text is available yet for this article.
January 10, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29325964/spontaneous-repeated-disappearance-and-recurrence-of-multiple-spinal-intradural-arachnoid-cysts-in-a-child
#3
Kenyu Hayashi, Keishi Makino, Takashi Nakagawa, Shigetoshi Yano
BACKGROUND: Spinal intradural arachnoid cysts are rare in the pediatric population. We present a very rare case of intradural spinal arachnoid cysts that spontaneously and repeatedly disappeared and reoccurred. CASE DESCRIPTION: A 2-year-and-8-months-old boy presenting with lower extremity weakness was found to have spinal intradural arachnoid cysts in cervical and thoracolumbar regions at separate times. Although spontaneous disappearance of both lesions was observed, surgical treatment was finally performed for the symptomatic recurrent thoracolumbar lesion...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29302913/principles-and-applications-of-the-balanced-steady-state-free-precession-sequence-in-small-animal-low-field-mri
#4
Mario Ricciardi
Magnetic resonance imaging (MRI) in small animal practice is largely based on classic two-dimensional spin-echo, inversion recovery and gradient-echo sequences which are largely limited by low spatial resolution, especially in low-field (LF)-MRI scanners. Nowadays, however, the availability of volumetric sequences can open new perspectives and enhance the diagnostic potential of this imaging modality. Balanced steady-state free precession (bSSFP) is a three-dimensional gradient-echo sequence in which image contrast is given by the ratio of T2 and T1, resulting in low soft-tissue signal, poor cerebral grey/white matter distinction and a bright signal from free fluid and fat...
January 4, 2018: Veterinary Research Communications
https://www.readbyqxmd.com/read/29285405/prepontine-arachnoid-cyst-presenting-with-headache-and-diplopia-a-case-report-study
#5
Omidvar Rezaee, Kaveh Ebrahimzadeh, Ehsan Nazari Maloumeh, Armin Jafari, Misagh Shafizad, Mohammad Hallajnejad
Background: Arachnoid cysts are found everywhere in cerebrospinal axis, most often in the middle cranial fossa. They are very rare in prepontine location. Case Description: In this study, we report a 26-year-old female presenting with a 3-month history of headache and diplopia. On physical examination, she had clinical manifestations of sixth cranial nerve palsy. Magnetic resonance imaging revealed a prepontine arachnoid cyst with extension into interpeduncular and suprasellar cisterns...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29250689/anatomic-variants-in-dandy-walker-complex
#6
Maria Claudia Jurcă, Kinga Kozma, CodruŢa Diana Petcheşi, Marius Bembea, Ovidiu Laurean Pop, Gabriela MuŢiu, Mihaela Cristiana Coroi, Alexandru Daniel Jurcă, Luciana Dobjanschi
Dandy-Walker complex (DWC) is a malformative association of the central nervous system. DWC includes four different types: Dandy-Walker malformation (vermis agenesis or hypoplasia, cystic dilatation of the fourth ventricle and a large posterior fossa); Dandy-Walker variant (vermis hypoplasia, cystic dilatation of the fourth ventricle, normal posterior fossa); mega cysterna magna (large posterior fossa, normal vermis and fourth ventricle) and posterior fossa arachnoid cyst. We present and discuss four cases with different morphological and clinical forms of the Dandy-Walker complex...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29219781/a-novel-duraplasty-technique-following-fenestration-of-a-massive-lumbar-arachnoid-cyst-in-a-patient-with-scoliosis-technical-case-report
#7
Matthew T Neal, Randall J Hlubek, Alexander E Ropper, U Kumar Kakarla
When a dural defect is encountered during spine surgery, the dura mater must be reconstituted to minimize the occurrence of minor or major life-threatening sequelae. The neurosurgical literature lacks strategies for managing large dural defects encountered during surgery. The authors describe a 24-year-old man who developed cauda equina syndrome secondary to altered CSF flow in a large thoracolumbar arachnoid cyst. Surgical decompression and fenestration of the arachnoid cyst were performed, and the large dural defect was treated using a multilayer closure with collagen matrix, titanium mesh, and methylmethacrylate...
December 8, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29209547/an-acquired-form-of-dandy-walker-malformation-with-enveloping-hemosiderin-deposits
#8
Tadashi Shiohama, Ryo Ando, Katsunori Fujii, Hiroki Mukai, Yuki Naruke, Katsuo Sugita, Eiji Kato, Naoki Shimojo
Dandy-Walker malformation (DWM) is a posterior fossa anomaly characterized by hypoplasia and upward rotation of the cerebellar vermis and cystic dilation of the fourth ventricle. The cyst of DWM rarely extends posteriorly to almost completely fill the entire posterior fossa, which mimics primary cerebellar agenesis, a cerebellar porencephalic cyst, and an arachnoid cyst due to the lack of clarity of the thin cystic wall. A 10-month-old female born at 23 weeks' gestation with cerebellar hemorrhage in the neonatal period was admitted to our hospital with dysphagia and side-to-side head bobbing...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29204209/perinatal-rapid-enlargement-of-suprasellar-prepontine-arachnoid-cyst-report-of-case-and-literature-review
#9
Sachin Baldawa, Sampat Baldawa, Pratibha Baldawa, Rakhi Sarda, Sunil Hogade
Arachnoid cysts are benign developmental anomalies representing 1% of all intracranial lesions. Suprasellar prepontine location of arachnoid cyst in the perinatal period has been reported in the perinatal period with the advent of prenatal imaging. A rare case of rapidly enlarging suprasellar prepontine arachnoid cyst diagnosed at 28 weeks on routine antenatal ultrasonographic and magnetic resonance imaging is presented. Rapid enlargement of the cyst near term led to endoscopic fenestration of the cyst and ventriculocystocisternostomy followed by ventriculoperitoneal shunt in the postnatal life...
July 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29204040/postepidural-spinal-intradural-arachnoid-cyst-a-rare-case-report
#10
Muhammad Sohail Umerani, Gabr Ahmed Mostafa, Mona A F Nada, Amjad Abdel Qader Darwish
Compression of the neural structures in spine by an intradural arachnoid cyst is a rare entity. At times such a cyst is an incidental finding. Spinal epidural injection is one of the few rare etiological factors for its development. Symptomatic cysts can present with variable neurological manifestations depending on the spinal level involved. This includes back pain, lower limb weakness, and sphincteric dysfunction. If asymptomatic, they can be followed radiologically. Surgical decompression along with a histological diagnosis is reserved for cysts that are enlarging, symptomatic or the ones for whom the diagnosis is uncertain...
October 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29188151/arachnoid-cyst-and-psychosis
#11
Afaque H Khan, Syed E Ahmed
Few case reports discuss suspected psychiatric disturbances secondary to arachnoid cysts. To the best of our knowledge, psychosis from arachnoid cysts has not been reported in the recent literature. This case report discusses our experience with a 55-year-old male patient who manifested multiple psychotic episodes suspected in association with an arachnoid cyst. During the initial examinations, a computed tomography (CT) scan of his head revealed a relatively large left anterior superior arachnoid cyst with a mass effect on the frontal lobe...
September 21, 2017: Curēus
https://www.readbyqxmd.com/read/29171799/surgical-management-of-cerebellopontine-angle-arachnoid-cysts-associated-with-hearing-deficit-in-pediatric-patients
#12
Mario Giordano, Massimo Gallieni, Amir Samii, Concezio Di Rocco, Madjid Samii
OBJECTIVE Few cases of cerebellopontine angle (CPA) arachnoid cysts in pediatric patients have been described in the literature, and in only 2 of these cases were the patients described as suffering from hearing deficit. In this article, the authors report on 3 pediatric patients with CPA arachnoid cysts (2 with hearing loss and 1 with recurrent headaches) who underwent neurosurgical treatment at the authors' institution. METHODS Four pediatric patients were diagnosed with CPA arachnoid cysts at the International Neuroscience Institute during the period from October 2004 through August 2012, and 3 of these patients underwent surgical treatment...
November 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29131236/chronic-subdural-hematoma-associated-with-arachnoid-cyst-of-the-middle-fossa-surgical-treatment-and-mid-term-results-in-fifteen-patients
#13
Ahmet Murat Müslüman, Barış Özöner, Atilla Kirçelli, Songül Meltem Can, Adem Yilmaz, Ayça Kaldirimoğlu, Balkan Şahin
AIM: We report the neurological and radiological features, surgical management and Mid-term outcome in a series of patients with chronic subdural hematoma (CSDH) and associated ipsilateral arachnoid cyst (AC) of the middle fossa. MATERIAL AND METHODS: Between August 2004 and August 2012, 453 patients were treated with diagnosis of CSDH in our clinic. Of those, 15 patients had ipsilateral arachnoid cyst in the middle fossa. A single burr hole craniostomy was performed to drain the hematoma and the AC left intact at first in 14 patients, one patient had no surgical intervention...
October 18, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29117875/intradural-hematoma-and-arachnoid-cyst-following-lumbar-spinal-surgery-a-case-report
#14
Michael S Taccone, Patrick G Theriault, Darren M Roffey, Mohamed AlShumrani, Fahad Alkherayf, Eugene K Wai
No abstract text is available yet for this article.
November 9, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29114289/conus-medullaris-arachnoid-cyst-presenting-as-cauda-equina-syndrome
#15
Salman Sharif, Afifa Afsar, Mohsin Qadeer
Intradural arachnoid cysts are a rare cause of spinal cord and nerve root compression. Primarily, they are present in the thoracic region posteriorly. We report a 25-year-old man who had an intradural arachnoid cyst at the level of conus medullaris presenting with cauda equina syndrome, which is very rare.
October 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29111781/cognitive-disorders-in-a-patient-with-an-arachnoid-cyst-of-the-sylvian-fissure-and-improvement-after-surgical-treatment-case-description
#16
Karolina Kwiatkowska, Agata Hałabuda, Justyna Rybus, Stanisław Kwiatkowski
Arachnoid cysts cause a wide spectrum of clinical symptoms. Often it is difficult to clearly establish the relation between the presence of an arachnoid cyst and problems reported by the patient, which may, although not necessarily, be due to chronically elevated intracranial pressure. In recent years, increasing attention is paid to cognitive disorders accompanying arachnoid cysts, such as memory disorders, attention disorders, or language function disorders. This article presents a case of an 11-year-old patient, treated at the University Children's Hospital in Cracow for an arachnoid cyst, located in the left middle cranial fossa...
November 7, 2017: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/29102753/presacral-tarlov-cyst-as-an-unusual-cause-of-abdominal-pain-new-cases-and-literature-review
#17
REVIEW
Baichuan Wang, Feifei Pu, Qiang Wu, Zhicai Zhang, Zengwu Shao
BACKGROUND: The etiology of abdominal pain is sometimes difficult to be defined. A presacral Tarlov cyst is an unusual cause of abdominal pain. The unusual location of a presacral Tarlov cyst can lead to misdiagnosis and inappropriate treatment. To guide the appropriate diagnosis and treatment, we review the cause, clinical presentations, radiological features and management options of this extremely rare lesion. METHODS: We performed an English-language literature search using Pubmed and internet searching to identify reports of patients with presacral Tarlov cysts...
November 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29093791/postoperative-spinal-subdural-lesions-following-lumbar-spine-surgery-prevalence-and-risk-factors
#18
Yukitaka Nagamoto, Shota Takenaka, Hiroyuki Aono
Study Design: Retrospective case-control study. Purpose: To clarify the prevalence and risk factors for spinal subdural lesions (SSDLs) following lumbar spine surgery. Overview of Literature: Because SSDLs, including arachnoid cyst and subdural hematoma, that develop following spinal surgery are seldom symptomatic and require reoperation, there are few reports on these pathologies. No study has addressed the prevalence and risk factors for SSDLs following lumbar spine surgery...
October 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29091255/spontaneous-intracystic-haemorrhage-of-an-arachnoid-cyst-associated-with-a-subacute-subdural-hematoma-a-case-report-and-literature-review
#19
Evren Aydogmus, Tufan Hicdonmez
Arachnoid cysts (ACs) are congenital malformations that may develop anywhere in the subarachnoid space along the cerebrospinal axis but are mostly observed in the temporal fossa and Sylvian fissure, predominantly in the left side. ACs account for 1% of all intracranial space-occupying lesions. ACs are a potential risk factor for subdural haematoma in all age groups following a traumatic head injury. Although an intracystic haemorrhage of AC without evidence of a head trauma is very rare, it may particularly develop in children and young adults who spend much more time engaged in games and forced physical exercise...
September 20, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29075903/the-tethered-effect-of-the-arachnoid-in-vago-glossopharyngeal-neuralgia-a-real-associated-alternative-mechanism
#20
Florian Bernard, Philippe Mercier, Marc Sindou
Vago-glossopharyngeal neuralgia (VGPN) is a rarely seen disease when compared to trigeminal neuralgia. When the pain is resistant to medical therapy, microvascular decompression can be performed if a vascular conflict is suspected on magnetic resonance imaging (MRI). In addition, arachnoid pathology may play a role in VGPN. We report two cases of VGPN caused by tethered arachnoid, associated with a vascular contact in which pain was reduced by freeing rootlets from arachnoid compression. We report two cases relating to 50-year-old and 30-year-old men with a history of electric shooting pain triggered by swallowing in the right pharyngeal and auricular regions...
October 26, 2017: Acta Neurochirurgica
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