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Arachnoid cyst

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https://www.readbyqxmd.com/read/28060131/nonfunctioning-adrenocortical-carcinoma-in-pediatric-acute-lymphoblastic-leukemia-a-case-report-of-a-rare-multiple-primaries-combination
#1
Wafaa M Rashed, Wael Zekri, Madiha Awad, Hala Taha, Badr Abdalla, Ahmad S Alfaar
Childhood adrenocortical carcinoma (ACC) is a rare tumor and its association with acute lymphoblastic leukemia (ALL) is even rarer. One such case is discussed in this case report. A 3-year-old patient was concomitantly diagnosed with ALL and an initially nonmetastatic ACC. Management started by following the Total XV protocol without a window phase. Left adrenalectomy was conducted after the consolidation phase. Recurrence of a mass at the tumor bed was discovered at week 33 of the continuation phase. Reexcision was conducted, followed by the administration of an ACC protocol including cisplatin, etoposide, and doxirubicin...
January 5, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28059708/impact-of-mr-neurography-in-patients-with-chronic-cauda-equina-syndrome-presenting-as-chronic-pelvic-pain-and-dysfunction
#2
J R Petrasic, A Chhabra, K M Scott
BACKGROUND AND PURPOSE: Chronic cauda equina syndrome, defined as persistent damage of the cauda equina nerve roots within the spinal canal can be a challenging diagnosis with varied presentations. MR neurography imaging is more commonly being used to evaluate the lumbosacral spine of patients suspected of having subacute or chronic cauda equina syndrome. Our aim was to evaluate the impact of lumbosacral plexus MR neurography in the diagnostic thinking and therapeutic management of patients presenting with chronic pelvic pain and dysfunction and suspected chronic cauda equina syndrome...
November 10, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28057591/surgical-management-of-spontaneous-spinal-cerebrospinal-fluid-epidural-fistula
#3
Declan G Siedler, Imogen M Ibbett, Nova B Thani
BACKGROUND: Intracranial hypotension secondary to spontaneous spinal cerebrospinal fluid (CSF) fistula is a rare condition which can have serious sequelae. Early diagnosis and treatment can be challenging. CASE DESCRIPTION: We present a case of a 17-year-old man who presented with a history of sudden onset, postural headaches, associated with upper thoracic back pain. Magnetic Resonance Imaging (MRI) demonstrated a thoracic extradural fluid collection and slumping of the brain within the posterior fossa...
January 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28003922/motor-speech-apraxia-in-a-70-year-old-man-with-left-dorsolateral-frontal-arachnoid-cyst-a-18-f-fdg-pet-ct-study
#4
Nicolaas I Bohnen, Jacob Haugen, Karen Kluin, Vikas Kotagal
Motor speech apraxia is a speech disorder of impaired syllable sequencing which, when seen with advancing age, is suggestive of a neurodegenerative process affecting cortical structures in the left frontal lobe. Arachnoid cysts can be associated with neurologic symptoms due to compression of underlying brain structures though indications for surgical intervention are unclear. We present the case of a 70-year-old man who presented with a two-year history of speech changes along with decreased initiation and talkativeness, shorter utterances, and dysnomia...
2016: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/27993741/spinal-intradural-arachnoid-webs-causing-spinal-cord-compression-with-inconclusive-preoperative-imaging-a-report-of-three-cases-and-a-review-of-the-literature
#5
Dafang Zhang
OBJECTIVE: Spinal arachnoid webs are a rare variant of spinal arachnoid cysts where one or multiple focal membranes of arachnoid tissue obstruct the subarachnoid space. Only 11 prior cases of arachnoid webs have been reported in the literature. Our objective is to present a series of three consecutive cases of arachnoid webs from our institution and to review the literature on this rare condition to provide recommendations for its management. METHODS: A retrospective chart review was performed for three consecutive cases of intradural arachnoid webs causing spinal cord compression at our institution, with inconclusive preoperative imaging, treatment with surgical decompression and resection...
December 16, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27989412/a-retrospective-analysis-of-the-utility-of-head-computed-tomography-and-or-magnetic-resonance-imaging-in-the-management-of-benign-macrocrania
#6
M Edward Haws, Luke Linscott, Cameron Thomas, Emily Orscheln, Rupa Radhakrishnan, Beth Kline-Fath
OBJECTIVE: To assess whether computed tomography (CT), magnetic resonance imaging (MRI), and neurosurgical evaluations altered the diagnosis or management of children diagnosed with benign macrocrania of infancy by ultrasonography (US). STUDY DESIGN: We queried our radiology database to identify patients diagnosed with benign macrocrania of infancy by US between 2006 and 2013. Medical records of those with follow-up CT/MRI were reviewed to determine clinical/neurologic status and whether or not CT/MRI imaging resulted in diagnosis of communicating hydrocephalus or required neurosurgical intervention...
December 15, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27978592/neurocutaneous-melanosis-associated-with-prenatally-diagnosed-arachnoid-cyst
#7
S Tercanli, P Itin, P Weber
No abstract text is available yet for this article.
December 2016: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/27973465/should-incidental-findings-in-diagnostic-imaging-be-reported
#8
Karina C Santos, Mariko Fujita, Jefferson X Oliveira, Yoshinobu Yanagi, Junichi Asaumi
BACKGROUND: Recent improvements in image quality have contributed to an increasing number of incidental findings (IF). Also called as "incidentalomas", this generic term refers to an entity discovered unexpectedly on an imaging examination performed for other reason. Commonly, normal variants, minor developmental anomalies and imaging artifacts are described as potential pathology. Some IF were reported in Magnetic Resonance Imaging (MRI) exam of temporomandibular joint (TMJ), including IF in the brain, maxillary sinus, ethmoidal cells, mastoid cells, salivary glands, muscles...
December 14, 2016: Minerva Stomatologica
https://www.readbyqxmd.com/read/27965072/rare-lesions-of-the-internal-auditory-canal
#9
Kentaro Watanabe, Mary In-Ping Huang Cobb, Ali R Zomorodi, Calhoun D Cunningham, Yoichi Nonaka, Shunsuke Satoh, Allan H Friedman, Takanori Fukushima
BACKGROUND: Approximately 95% of tumors occurring within the internal auditory canal (IAC) are vestibular schwannomas (VSs). Many undergo stereotactic radiation without definitive tissue diagnosis. Rare IAC tumors are not all radiosensitive and are poorly described. METHODS: Between 1992 and 2015, 289 consecutive patients with IAC lesions operated on were retrospectively reviewed. RESULTS: Fifteen patients (5.2%) (16 operations) had unusual histological findings, including non-vestibular schwannomas (two facial schwannomas, two cochlear schwannomas, two intermedius schwannomas), three meningiomas, three cavernous hemangiomas, a mucosa associated lymphoid tissue (MALT) lymphoma, an arachnoid cyst, and a lipochoristoma...
December 10, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27957374/two-different-life-threatening-cases-presenting-with-torticollis
#10
Gülsüm Alkan, Melike Emiroğlu, Ayşe Kartal
Acquired torticollis can be the result of several different pathological mechanisms. It is generally related to trauma, tumors, and inflammatory processes of the cervical muscles, nerves, and vertebral synovia. Although upper respiratory tract and neck inflammation are common causes of acute febrile torticollis in children, diseases with as yet undefined relationships may also result in torticollis. This is the case of spinal arachnoid cyst and pneumonia.
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27926670/clinical-and-radiographical-differences-between-thoracic-idiopathic-spinal-cord-herniation-and-spinal-arachnoid-cyst
#11
Hiroaki Nakashima, Shiro Imagama, Hideki Yagi, Fumihiko Kato, Tokumi Kanemura, Koji Sato, Noriaki Kawakami, Mitsuhiro Kamiya, Hisatake Yoshihara, Kenyu Ito, Yukihiro Matsuyama, Yoshihiro Nishida, Naoki Ishiguro
STUDY DESIGN: Retrospective multicenter case-controlled study OBJECTIVE.: The aim of this study was to investigate the clinical and radiographical differences between thoracic idiopathic spinal cord herniation (ISCH) and spinal arachnoid cyst (SAC). SUMMARY AND BACKGROUND DATA: ISCH and SAC are relatively rare diseases. Preoperative misdiagnose was frequently reported in both, however these clinical and radiographical differences remain unclear. METHODS: Out of 30,469 patients who underwent spinal surgery, 18 (0...
December 6, 2016: Spine
https://www.readbyqxmd.com/read/27923759/de-novo-intraneural-arachnoid-cyst-presenting-with-complete-third-nerve-palsy-case-report-and-literature-review
#12
Danielle Brewington, Dmitriy Petrov, Robert Whitmore, Grant Liu, Ronald Wolf, Eric L Zager
BACKGROUND: Intraneural arachnoid cyst is an extremely rare etiology of isolated cranial nerve palsy. Although seldom encountered in clinical practice, this pathology is amenable to surgical intervention. Correct identification and treatment of the cyst are required to prevent permanent nerve damage and potentially reverse the deficits. We describe a rare case of isolated third nerve palsy caused by an intraneural arachnoid cyst. CASE DESCRIPTION: A 49-year-old woman with a recent history of headaches experienced acute onset of painless left-sided third nerve palsy...
December 3, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27921212/editorial-comment-for-neuropsychological-improvement-after-posterior-fossa-arachnoid-cyst-drainage-cnsy-d-16-00311
#13
Knut Wester
No abstract text is available yet for this article.
December 5, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27915350/rapid-brain-shift-with-remote-site-haemorrhage-after-arachnoid-cyst-excision-treatment-dilemmas
#14
Girish M Ramachandran, Rajesh P Nair, Lakshman I Kongwad, G Shanthakumar
Sylvian arachnoid cysts pose considerable management dilemmas. Surgical options include cyst fenestration, either endoscopically or microsurgically, and cysto-peritoneal shunt. One of the rare complications after rapid decompression of the arachnoid cysts is haemorrhage in the surrounding brain as well as in remote areas. We describe a case of multiple remote-site intra-parenchymal haemorrhage as a rare complication after surgical decompression of a sylvian fissure arachnoid cyst.
December 3, 2016: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27894943/acquired-chiari-malformation-and-syringomyelia-secondary-to-space-occupying-lesions-a-systematic-review
#15
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 neurologic deficits independent of or in combination with the offending mass. Although type I Chiari malformations 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
#16
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
#17
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
#18
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
#19
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
#20
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
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