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Arachnoid cyst

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https://www.readbyqxmd.com/read/27894943/acquired-chiari-malformation-and-syringomyelia-secondary-to-space-occupying-lesions-a-systematic-review
#1
REVIEW
Justin Wang, Naif M Alotaibi, Nardin Samuel, George M Ibrahim, Aria Fallah, Michael D Cusimano
BACKGROUND: Acquired Chiari malformations (ACM) and associated syringomyelia secondary to space-occupying lesions can cause neurological deficits independent of or in combination with the offending mass. Although type I CM are traditionally treated with posterior fossa decompression, optimal surgical management of ACM and associated syringomyelia remains unclear. The purpose of this study is to review the current literature surrounding the management of ACM. METHODS: A systematic review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
November 25, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27891397/spontaneous-subdural-haematoma-developing-secondary-to-arachnoid-cyst-rupture
#2
Mehmet Onur Yüksel, Mehmet Sabri Gürbüz, Mehmet Senol, Numan Karaarslan
Arachnoid cysts are congenital, benign, non-neoplastic, extra-axial intra-arachnoidal lesions. Arachnoid cysts rarely become symptomatic, with bleeding. Intracranial haemorrhage as a complication of arachnoid cyst is a very rare condition. It is well-known that mid-cranial fossa cysts might cause intracerebral haemorrhage or subdural haematoma secondary to traumas. However, the occurrence of spontaneous subdural haematoma secondary to arachnoid cysts, developing without any trauma, is even rarer. A 17-year-old boy presenting with diplopia and headache, with no history of trauma, was diagnosed with left temporal lobe arachnoid cyst and left fronto-parietal subdural haematoma...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891281/septooptic-dysplasia-with-an-associated-arachnoid-cyst
#3
Skyler V McLaurin-Jiang, Julie K Wood, David F Crudo
A 4-week-old male infant presented with hypothermia, hypoglycemia, and hyperbilirubinemia. His medical history was remarkable for hydrocephalus secondary to an arachnoid cyst, intermittent hypoglycemia, hypothermia, and poor feeding requiring nasogastric tube for nutrition. Physical exam revealed retrognathia, mild hypotonia, micropenis, and clinodactyly. Ophthalmologic exam demonstrated bilateral optic nerve hypoplasia (ONH). Laboratory data confirmed inadequate cortisol and growth hormone response to hypoglycemia, a low thyroxine level, and direct hyperbilirubinemia...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27891041/spinal-intradural-hydatid-cyst-causing-arachnoiditis-a-rare-etiology-of-cauda-equina-syndrome
#4
Suyash Singh, Jayesh Sardhara, Amit Kumar Singh, Arun Kumar Srivastava, Kamlesh Singh Bhaisora, Kuntal Kanti Das, Anant Mehrotra, Rabi N Sahu, Awadhesh Kumar Jaiswal, Sanjay Behari
This study aims to focus on a rare presentation of spinal hydatid cyst as cauda equine syndrome and misdiagnosed as intradural extramedullary (IDEM) benign lesion on magnetic resonance imaging. In this article, we report a case of spinal hydatid cyst masquerading as IDEM tumor, and intraoperatively, we accidently find clumped granuloma with severe arachnoiditis and hydatid cyst in lumber region, which was present as bilateral S1 radiculopathy with cauda equina syndrome. An 11-year-old boy who presented with symptoms and signs of cauda equina syndrome and planned for surgical excision...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27888088/endoscopic-endonasal-management-of-rare-sellar-lesions-clinical-and-surgical-experience-on-78-cases-and-review-of-the-literature
#5
Teresa Somma, Domenico Solari, Andre Beer-Furlan, Lelio Guida, Bradley Otto, Daniel Prevedello, Luigi Maria Cavallo, Ricardo Carrau, Paolo Cappabianca
OBJECTIVE: In the present study we aim to provide further definition of a group of rare sellar pathologies treated by the endoscopic endonasal approach. MATHERIAL AND METHODS: A retrospective analysis of data obtained from a series of 1729 patients who underwent endoscopic endonasal surgery at two academic institutions (Università degli Studi di Napoli Federico II, Naples, Italy - between January 1997 and December 2013, and The Wexner Medical Center at The Ohio State University - between July 2010 and September 2015)...
November 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27873293/supraorbital-keyhole-microsurgical-fenestration-of-symptomatic-temporal-arachnoid-cysts-in-children-advantages-and-limitations
#6
Sherif Elkheshin, Ahmed Soliman
AIM: To investigate the impact of endoscope assisted microsurgical fenestration of temporal arachnoid cysts, the advantages and limitations of the technique. MATERIAL AND METHODS: Retrospective study including twenty five children of symptomatic temporal arachnoid cysts operated via Eyebrow Supra-Orbital Keyhole Microsurgical Fenestration targeting medial cyst wall, Preoperative MRI brain was done for all patients. RESULTS: Preoperative, clinical presentation included headache (80%), nausea & vomiting (64%), drug resistant epilepsy (52%), macrocephaly (12%) papilledema (28%) motor weakness in the form of right sided hemiparesis (12%) and cranial nerve palsy...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27857934/spinal-extradural-arachnoid-cyst
#7
Joon Bum Woo, Dong Wuk Son, Kyung Taek Kang, Jun Seok Lee, Geun Seong Song, Soon Ki Sung, Sang Weon Lee
A spinal extradural arachnoid cyst (SEAC) results from a rare small defect of the dura matter that leads to cerebrospinal fluid accumulation and communication defects between the cyst and the subarachnoid space. There is consensus for the treatment of the dural defect, but not for the treatment of the cyst. Some advocate a total resection of the cysts and repair of the communication site to prevent the recurrence of a SEAC, while others recommended more conservative therapy. Here we report the outcomes of selective laminectomy and closure of the dural defect for a 72-year-old and a 33-year-old woman...
October 2016: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/27856007/-diagnosis-evolution-and-prognosis-of-prenatally-diagnosed-suprasellar-cysts
#8
F Di Rocco, A André, T Roujeau, L Selek, Y Ville, C Garel, M Zérah
Suprasellar arachnoid cysts (SAC) in children are considered rare, but the incidence is increasing due to the improvement of prenatal diagnosis. We present 15 cases of SAC diagnosed during the antenatal period between 2005 and 2015. The records were reviewed retrospectively by specifying the radiological characteristics, treatment modalities, outcomes, and long-term monitoring. Mean follow-up was 71 months. The forms (SAC-1) accounted for 2 cases (13%) with hydrocephalus. We observed 8 (53%) lower forms (SAC-2) with interpeduncular cistern expansion without hydrocephalus...
November 14, 2016: Neuro-Chirurgie
https://www.readbyqxmd.com/read/27832621/-a-case-of-posterior-fossa-giant-arachnoid-cyst-treated-by-endoscopic-surgery
#9
Motoyoshi Satoh, Kentaro Kowari, Masayuki Mizobuchi, Kazuyuki Tsuno, Hiroyuki Nakashima, Junji Yoshioka
No abstract text is available yet for this article.
November 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27832354/neuropsychological-improvement-after-posterior-fossa-arachnoid-cyst-drainage
#10
M L Cuny, M Pallone, H Piana, N Boddaert, C Sainte-Rose, L Vaivre-Douret, P Piolino, S Puget
PURPOSE: Posterior fossa arachnoid cysts (PFAC) are mostly considered as benign lesions of the cerebellum. Although many studies have shown the major role of the cerebellum in modulating movement, language, cognition, and social interaction, there are few studies on the cognitive impact and surgical decompression of PFAC. METHODS: We present the cases of two brothers successively diagnosed with PFAC and neuropsychological delay. After multidisciplinary discussion with the boys' parents, it was decided to drain these lesions...
November 10, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27827559/dorsal-cervical-spinal-arachnoid-cyst-type-iii-presenting-with-dorsal-column-dysfunction-a-case-report
#11
Mahesh Krishna Pillai
CONTEXT: Spinal arachnoid cysts are usually asymptomatic and discovered incidentally. Expansion of the cyst, whether acute, subacute or chronic, leads to neural compression resulting in radicuopathy and/or myelopathy. FINDINGS: This case report is of a patient who presented primarily with posterior column dysfunction,subacute in onset and rapidly progressing. Images of the cervical spine showed a dorsal arachnoid cyst, causing significant cord compression and signal changes in the cord, with no scalloping of the vertebrae...
November 9, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27822765/syringomyelia-caused-by-an-arachnoid-web-in-a-patient-with-shunted-dandy-walker-malformation
#12
Hee Chang Lee, Jung Won Choi, Ji Yeoun Lee, Ji Hoon Phi, Seung-Ki Kim, Byung-Kyu Cho, Kyu-Chang Wang
INTRODUCTION: Dandy-Walker malformation (DWM) is a congenital brain anomaly characterized by dysgenesis of the cerebellar vermis and the presence of a posterior fossa cyst. The association of syringomyelia with DWM is extremely rare. CASE REPORT: A 10-year-old patient who was diagnosed with DWM in infancy presented with progressive scoliosis and fecal incontinence. He had been treated with cystoventriculoperitoneal shunting with a Y-connection during infancy, which was followed by a revision 6 years later...
November 7, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27818549/giant-nontraumatic-intradiploic-arachnoid-cyst-in-a-young-male
#13
Rajesh Sharma, Puneet Gupta, Manik Mahajan, Poonam Sharma, Anchal Gupta, Arti Khurana
Intradiploic arachnoid cysts have scarcely been reported in the literature, most reported cases being secondary to trauma. Nontraumatic arachnoid cysts are quite rare and have been reported mostly in adults. Here, we report the case of a 16-year-old male presenting with a slowly growing mass in the occipital region and intermittent headaches. On the basis of the findings of X-rays, computed tomography scans, and magnetic resonance imaging scans of the head, the mass was diagnosed as a giant intradiploic arachnoid cyst...
September 2016: Radiologia Brasileira
https://www.readbyqxmd.com/read/27781487/kernohan-woltman-notch-phenomenon-a-review-article
#14
C H Zhang, R M DeSouza, J S B Kho, S Vundavalli, G Critchley
Kernohan-Woltman notch phenomenon (KWNP) is a false localising sign which may still cause diagnostic confusion. It was first described by Kernohan and Woltman in 1929, through post-mortem studies on 297 patients following cases of false localisation. They proposed that raised intracranial pressure causes uncal herniation, which can compress the contralateral cerebral peduncle against the tough tentorium, manifesting as hemiparesis ipsilateral to the primary brain lesion. A number of case reports have been written since the original description of this phenomenon, primarily secondary to intracranial bleeds, and little has been written about long-term outcome of patients who develop KNWP...
October 26, 2016: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27751507/-spinal-extradural-arachnoid-cyst-a-case-report-and-review-of-literature
#15
Javier Quillo-Olvera, Javier Quillo-Reséndiz, Carlos-Francisco Gutiérrez-Partida, Manuel Rodríguez-García
BACKGROUND: Arachnoid cysts of spine are a very rare occurrence. The aetiology still remains unclear, but the most accepted explanation is the existence of areas of weakness in the spinal dura. Symptoms depend on the location in the spine. Magnetic resonance imaging is used for its diagnosis. Management depends of clinical presentation, and the surgery is reserved for patients with neurological impairment. CLINICAL CASE: A case is described of 67 year-old male with myelopathy and radiculopathy symptoms, both diagnosed simultaneously...
October 14, 2016: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/27729957/fetal-central-nervous-system-anomalies-detected-by-magnetic-resonance-imaging-a-two-year-experience
#16
Sepideh Sefidbakht, Sakineh Dehghani, Maryam Safari, Homeira Vafaei, Maryam Kasraeian
BACKGROUND: Magnetic resonance imaging (MRI) is gradually becoming more common for thorough visualization of the fetus than ultrasound (US), especially for neurological anomalies, which are the most common indications for fetal MRI and are a matter of concern for both families and society. OBJECTIVES: We investigated fetal MRIs carried out in our center for frequency of central nervous system anomalies. This is the first such report in southern Iran. MATERIALS AND METHODS: One hundred and seven (107) pregnant women with suspicious fetal anomalies in prenatal ultrasound entered a cross-sectional retrospective study from 2011 to 2013...
August 2016: Iranian Journal of Pediatrics
https://www.readbyqxmd.com/read/27718069/comparative-analysis-of-bleeding-risk-by-the-location-and-shape-of-arachnoid-cysts-a-finite-element-model-analysis
#17
Chang-Hyun Lee, In Seok Han, Ji Yeoun Lee, Ji Hoon Phi, Seung-Ki Kim, Young-Eun Kim, Kyu-Chang Wang
OBJECTIVE: Although arachnoid cysts (ACs) are observed in various locations, only sylvian ACs are mainly regarded to be associated with bleeding. The reason for this selective association of sylvian ACs with bleeding is not understood well. This study is to investigate the effect of the location and shape of ACs on the risk of bleeding. METHODS: A developed finite element model of the head/brain was modified for models of sylvian, suprasellar, and posterior fossa ACs...
October 7, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27717944/-intracranial-arachnoid-cysts-in-the-clinical-and-radiological-aspect
#18
Gustaw Wojcik
Arachnoid cysts are intracranial pathologies in the space between the pia mater and the dura mater of the brain and cerebellum. Arachnoid cysts are derived from the arachnoidea mater, which while yielding to germination or splitting creates a space filled with liquid with a composition similar to cerebrospinal fluid. The aim of the study is to present possible clinical symptoms and radiological presentation of intracranial arachnoid cysts. The symptoms of intracranial arachnoid cysts are dependent on its size and location...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27709088/an-unusual-cause-of-back-pain-in-a-child-spinal-subdural-haematoma-secondary-to-intracranial-arachnoid-cyst-haemorrhage
#19
Yu Jin Lee, Robert Barker
No abstract text is available yet for this article.
August 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/27684866/transsacrococcygeal-approach-to-ganglion-impar-block-for-treatment-of-chronic-coccygodynia-after-spinal-arachnoid-cyst-removal-a-case-report
#20
Young Deog Cha, Chun Woo Yang, Jung Uk Han, Jang Ho Song, WonJu Na, Sora Oh, Byung-Gun Kim
BACKGROUND: Coccygodynia is a pain in the region of the coccyx that radiates to the sacral, perineal area. The cause of the pain is often unknown. Coccygodynia is diagnosed through the patient's past history, a physical examination, and dynamic radiographic study, but the injection of local anesthetics or a diagnostic nerve blockade are needed to distinguish between somatic, neuropathic, and combined pain. Ganglion impar is a single retroperitoneal structure made of both paravertebral sympathetic ganglions...
September 2016: Medicine (Baltimore)
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