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Arachnoid cyst

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https://www.readbyqxmd.com/read/28318981/idiopathic-intradural-dorsal-thoracic-arachnoid-cysts-a-case-series-and-review-of-the-literature
#1
Heath French, Arjuna Somasundaram, Michael Biggs, Jonathon Parkinson, Rodney Allan, Jonathon Ball, Nicholas Little
BACKGROUND: Spinal intradural arachnoid cysts (SIAC) are cerebrospinal fluid (CSF) filled sacs formed by arachnoid membranes and may be either idiopathic or acquired. Idiopathic cysts represent a separate entity and their aetiology remains uncertain. By far the most difficult differential diagnosis is distinguishing between idiopathic anterior spinal cord herniation (IASCH) and dorsal thoracic intradural arachnoid cysts (TIAC), due to their similarity in radiological appearance. Cine-mode (SSFP) is emerging as a novel technique in the diagnosis and operative planning of SIAC...
March 17, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28300929/oculoectodermal-syndrome-twentieth-described-case-with-new-manifestations
#2
Daniela de Almeida Figueiras, Deborah Maria de Castro Barbosa Leal, Valter Kozmhinsky, Marina Coutinho Domingues Querino, Marina Genesia da Silva Regueira, Maria Gabriela de Morais Studart
Oculoectodermal syndrome is a rare disease characterized by the association of aplasia cutis congenita, epibulbar dermoids, and other abnormalities. This report describes the twentieth case of the disease. We report a 4-year-old female child who presented with the classical features of the syndrome: aplasia cutis congenita and epibulbar dermoids. Our case expands the clinical spectrum of the disease to include: diffuse hyperpigmentation (some following the Blaschko´s lines); hypopigmented skin areas on the trunk; arachnoid cyst on the right fronto-parietal border; rounded left side of the hippocampus; and dermoid cyst underlying the bulb-medullary transition...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28298013/does-subjective-improvement-in-adults-with-intracranial-arachnoid-cysts-justify-surgical-treatment
#3
Katrin Rabiei, Per Hellström, Mats Högfeldt-Johansson, Magnus Tisell
OBJECTIVE Subjective improvement of patients who have undergone surgery for intracranial arachnoid cysts has justified surgical treatment. The current study aimed to evaluate the outcome of surgical treatment for arachnoid cysts using standardized interviews and assessments of neuropsychological function and balance. The relationship between arachnoid cyst location, postoperative improvement, and arachnoid cyst volume was also examined. METHODS The authors performed a prospective, population-based study. One hundred nine patients underwent neurological, neuropsychological, and physiotherapeutic examinations...
February 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28295149/enlarged-posterior-fossa-on-prenatal-imaging-differential-diagnosis-associated-anomalies-and-post-natal-outcome
#4
Anja Wüest, Daniel Surbek, Roland Wiest, Christian Weisstanner, Harald Bonel, Maja Steinlin, Luigi Raio, Boris Tutschek
INTRODUCTION: The primary aim of this study was to ascertain the prevalence the individual conditions and of associated anomalies in fetuses with the prenatal diagnosis of enlarged posterior fossa and to explore the diagnostic accuracy of ultrasound in these anomalies. The secondary aim was to evaluate the post-natal outcome of children affected by posterior fossa anomalies. MATERIAL AND METHODS: All fetuses with enlarged posterior fossa detected by prenatal sonography at a referral center from 2001-2015 were analyzed retrospectively...
March 14, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28287894/spinal-arachnoid-cysts-our-experience-and-review-of-literature
#5
Kanwaljeet Garg, Sachin Anil Borkar, Shashank Sharad Kale, Bhawani Shankar Sharma
OBJECTIVE: Arachnoid cysts are discrete pockets of CSF or CSF-like fluid found adjacent to normal CSF spaces, either spinal or cranial. Spinal arachnoid cysts (SAC) are most commonly extradural, however intradural or perineural are also described. METHODS: All patients admitted to our center and surgically treated with a diagnosis of SAC, were included in the study. The results were analyzed in terms of the clinical symptoms, location of cyst, surgical procedure performed and outcome following surgery...
April 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28246242/arachnoid-cysts-and-adult-onset-epilepsy
#6
Trisha Mackle, Daryl Wile
No abstract text is available yet for this article.
February 21, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28229291/a%C3%A2-patient-with-myasthenia-gravis-and-a%C3%A2-large-arachnoid-cyst-report-of-a%C3%A2-case
#7
Mira Bucuk, Iva Gasparovic, Ivan Sonnenschein, Olivio Perkovic
Myasthenia gravis is a chronic autoimmune disease characterized by weakening of voluntary muscles during the day and a marked restitution of function during the night and after rest. The symptoms may worsen over days or weeks, sometimes even in a few hours, and are usually well controlled by appropriate therapy. Arachnoid cysts are congenital or acquired deformities of the arachnoid membrane and are usually too small to cause distinct clinical symptomatology. We describe a case of a 76-year-old myasthenia gravis patient with an arachnoid cyst...
February 22, 2017: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/28168341/excision-of-an-anterior-intradural-arachnoid-cyst-of-the-cervical-spine-through-central-corpectomy-approach
#8
Pratyush Shrestha, Prateek Shrestha, Upendra Prasad Devkota
Anterior cervical intradural arachnoid cyst is a rare entity which has been mostly approached posteriorly, commonly resulting in incomplete resection. Incomplete resection is associated with recurrence; hence, we describe the anterior central corpectomy approach with complete neurologic recovery in a twenty year old with an anterior cervical intradural arachnoid cyst in front of the third and fourth cervical vertebra, who had presented with spastic quadriparesis.
February 6, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28093510/de-novo-formation-of-a-symptomatic-arachnoid-cyst-in-an-adult
#9
George M Ibrahim, Naif M Alotaibi, Nir Lipsman, Farshad Nassiri, Leodante da Costa
No abstract text is available yet for this article.
January 17, 2017: Neurology
https://www.readbyqxmd.com/read/28060131/nonfunctioning-adrenocortical-carcinoma-in-pediatric-acute-lymphoblastic-leukemia-a-case-report-of-a-rare-multiple-primaries-combination
#10
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...
March 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
#11
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
#12
Declan G Siedler, Imogen M Ibbett, Nova B Thani
BACKGROUND: Intracranial hypotension secondary to spontaneous spinal cerebrospinal fluid (CSF) fistula is a rare condition that can have serious sequelae. Early diagnosis and treatment can be challenging. CASE DESCRIPTION: We present the case of a 17-year-old male 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...
March 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
#13
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-3-cases-and-a-review-of-the-literature
#14
Dafang Zhang, Efstathios Papavassiliou
OBJECTIVE: Spinal arachnoid webs are a rare variant of spinal arachnoid cysts where 1 or multiple focal membranes of arachnoid tissue obstruct the subarachnoid space. Only 11 prior cases of arachnoid webs have been reported in the literature. We present a series of 3 consecutive cases of arachnoid webs from our institution and review the literature on this rare condition to provide recommendations for its management. METHODS: Retrospective chart review was performed for 3 consecutive cases of intradural arachnoid webs causing spinal cord compression at our institution, with inconclusive preoperative imaging, treatment with surgical decompression, and resection...
March 2017: 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
#15
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...
March 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/27978592/neurocutaneous-melanosis-associated-with-prenatally-diagnosed-arachnoid-cyst
#16
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
#17
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
#18
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. 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 reviewed retrospectively. RESULTS: Fifteen patients (5.2%) (16 operations) had unusual histologic findings, including nonvestibular schwannomas (2 facial schwannomas, 2 cochlear schwannomas, 2 intermedius schwannomas), 3 meningiomas, 3 cavernous hemangiomas, a mucosa-associated lymphoid tissue lymphoma, an arachnoid cyst, and a lipochoristoma...
March 2017: World Neurosurgery
https://www.readbyqxmd.com/read/27957374/two-different-life-threatening-cases-presenting-with-torticollis
#19
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
#20
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
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