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https://www.readbyqxmd.com/read/27913261/typical-symptoms-of-normal-pressure-hydrocephalus-caused-by-choroid-plexus-papilloma-in-the-cerebellopontine-angle-a-case-report
#1
Hiroshi Ito, Yukiko Nakahara, Masatou Kawashima, Jun Masuoka, Tatsuya Abe, Toshio Matsushima
BACKGROUND: Choroid plexus papillomas (CPPs) are rare benign intracranial tumors. Here, we report a rare case of CPP presenting with typical symptoms of normal-pressure hydrocephalus not with obstructive hydrocephalus. CASE DESCRIPTION: A 45-year-old female presented with a 6-year history of headache and typical symptoms of normal-pressure hydrocephalus (NPH) such as gait disturbance, urinary incontinence, and cognitive dysfunction in addition to the more common symptoms of choroid plexus papillomas (CPP), such as lower cranial nerve dysfunctions and ataxia...
November 29, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27911430/-clinical-presentations-of-herpes-zoster-ophthalmicus-diagnosis-and-therapy
#2
G M Chernakova, E A Kleshcheva, T B Semenova
: Approximately a quarter of the world's population at some point in life is at risk of developing shingles (Herpes Zoster). In 10-20% of cases the first branch of the trigeminal nerve gets involved (Herpes Zoster Ophthalmicus, HZO). Ophthalmic complications of HZO are able to cause a significant reduction in visual function. AIM: To study and summarize clinical features of HZO (including the rate of complications and their nature) and to determine the relationship between clinical and laboratory data from these patients...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911332/type-0-spinal-muscular-atrophy-further%C3%A2-delineation-of-prenatal-and%C3%A2-postnatal-features-in-16-patients
#3
Sarah Grotto, Jean-Marie Cuisset, Stéphane Marret, Séverine Drunat, Patricia Faure, Séverine Audebert-Bellanger, Isabelle Desguerre, Vincent Flurin, Anne-Gaëlle Grebille, Anne-Marie Guerrot, Hubert Journel, Gilles Morin, Ghislaine Plessis, Sylvain Renolleau, Joëlle Roume, Brigitte Simon-Bouy, Renaud Touraine, Marjolaine Willems, Thierry Frébourg, Eric Verspyck, Pascale Saugier-Veber
BACKGROUND: Spinal muscular atrophy (SMA) is caused by homozygous inactivation of the SMN1 gene. The SMN2 copy number modulates the severity of SMA. The 0SMN1/1SMN2 genotype, the most severe genotype compatible with life, is expected to be associated with the most severe form of the disease, called type 0 SMA, defined by prenatal onset. OBJECTIVE: The aim of the study was to review clinical features and prenatal manifestations in this rare SMA subtype. METHODS: SMA patients with the 0SMN1/1SMN2 genotype were retrospectively collected using the UMD-SMN1 France database...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27903844/therapeutic-approaches-to-pediatric-pseudotumor-cerebri-new-insights-from-literature-data
#4
Giovanna Vitaliti, Piero Pavone, Nassim Matin, Omidreza Tabatabaie, Salvatore Cocuzza, Michele Vecchio, Luigi Maiolino, Paola Di Mauro, Angelo Conti, Riccardo Lubrano, Agostino Serra, Raffaele Falsaperla
The pseudotumor cerebri syndrome (PTCS), also known as idiopathic intracranial hypertension (IIH), is characterized by signs and symptoms of increased intracranial pressure such as headache and cranial nerve palsies, in the absence of any space-occupying mass. This condition commonly affects overweight women of childbearing age, even if it is also frequent in men and children. Children with PTCS may present with atypical signs and symptoms, with a different prognosis compared to adults. However, the treatment is the same for both children and adults, even if there are no strict treatment guidelines in regards...
November 30, 2016: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/27899468/favorable-swallowing-outcomes-following-vagus-nerve-sacrifice-for-vagal-schwannoma-resection
#5
Mira A Patel, Danielle F Eytan, Justin Bishop, Joseph A Califano
OBJECTIVE: To determine the impact of unilateral vagal sacrifice for vagal schwannoma on postoperative swallowing function. STUDY DESIGN: Case series, chart review. SETTING: Academic medical institution. SUBJECTS AND METHODS: Ten patients underwent vagus nerve sacrifice for vagal schwannoma resection. Archived pathology records dating from 1985 through 2012 at our institution were retrospectively queried for cases of vagal schwannoma with vagus nerve sacrifice...
November 29, 2016: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/27894359/can-morphological-mri-differentiate-between-primary-central-nervous-system-lymphoma-and-glioblastoma
#6
H Malikova, E Koubska, J Weichet, J Klener, A Rulseh, R Liscak, Z Vojtech
BACKGROUND: Primary central nervous system lymphoma (PCNSL) is a rare, aggressive brain neoplasm that accounts for roughly 2-6% of primary brain tumors. In contrast, glioblastoma (GBM) is the most frequent and severe glioma subtype, accounting for approximately 50% of diffuse gliomas. The aim of the present study was to evaluate morphological MRI characteristics in histologically-proven PCNSL and GBM at the time of their initial presentation. METHODS: We retrospectively evaluated standard diagnostic MRI examinations in 54 immunocompetent patients (26 female, 28 male; age 62...
November 29, 2016: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/27893584/facial-pyoderma-gangrenosum-presenting-with-cranial-nerve-vii-palsy-and-cicatricial-ectropion
#7
Natalie Homer, Suzanne K Freitag
No abstract text is available yet for this article.
November 23, 2016: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27893002/incidence-and-etiologies-of-acquired-third-nerve-palsy-using-a-population-based-method
#8
Chengbo Fang, Jacqueline A Leavitt, David O Hodge, Jonathan M Holmes, Brian G Mohney, John J Chen
Importance: Among cranial nerve palsies, a third nerve palsy is important because a subset is caused by life-threatening aneurysms. However, there is significant disagreement regarding its incidence and the reported etiologies. Objective: To determine the incidence and etiologies of acquired third nerve palsy using a population-based method. Design, Setting, and Participants: All newly diagnosed cases of acquired third nerve palsy from January 1, 1978, through December 31, 2014, in Olmsted County, Minnesota, were identified using the Rochester Epidemiology Project, a record-linkage system of medical records for all patient-physician encounters among Olmsted County residents...
November 17, 2016: JAMA Ophthalmology
https://www.readbyqxmd.com/read/27891417/a-commonly-missed-well-known-entity-acute-intermittent-porphyria-a-case-report
#9
Smilu Mohanlal, Radha Gulati Ghildiyal, Alpana Kondekar, Poonam Wade, Richa Sinha
Acute Intermittent Porphyria (AIP) usually presents with abdominal pain, peripheral neuropathy and psychiatric manifestations. Incidence of AIP being 5 in 1,00,000. We present a case of an 11-year-old male child with multiple cranial nerve involvement, quadriparesis, focal convulsions, hypertension, hyponatremia with history of recurrent abdominal pain. His complete haemogram, ultrasonography (USG) abdomen, renal function tests were normal, he was also evaluated for tuberculosis which was negative. On further evaluation Electroencephalography (EEG) was suggestive of a generalised seizure disorder, MRI Brain suggestive of Posterior Reversible Encephalopathy Syndrome (PRES), Electromyography revealed a sensory motor axonal polyneuropathy and urine UV fluoresence test was positive for porphobilinogen which clinched the diagnosis of AIP...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891246/two-headed-mutants-of-the-lamprey-a-basal-vertebrate
#10
Daichi G Suzuki
BACKGROUND: This is the first report of two-headed (bicephaly) lamprey twins. Although lampreys sit at a crucial phylogenetic position, there are only a few reports on their teratology and developmental abnormalities. RESULTS: Two-headed mutants were obtained by artificial fertilization in the laboratory as spontaneous occurrences. All mutants were derived from single fertilizations using single male and female gametes, suggestive of a genetic background. The anterio-posterior position of the axonal bifurcation and symmetricity varied in each mutant...
2016: Zoological Letters
https://www.readbyqxmd.com/read/27891029/craniovertebral-junction-360%C3%A2-a-combined-microscopic-and-endoscopic-anatomical-study
#11
Sukhdeep Singh Jhawar, Maximiliano Nunez, Paolo Pacca, Daniel Seclen Voscoboinik, Huy Truong
OBJECTIVES: Craniovertebral junction (CVJ) can be approached from various corridors depending on the location and extent of disease. A three-dimensional understanding of anatomy of CVJ is paramount for safe surgery in this region. Aim of this cadaveric study is to elucidate combined microscopic and endoscopic anatomy of critical neurovascular structures in this area in relation to bony and muscular landmarks. MATERIALS AND METHODS: Eight fresh-frozen cadaveric heads injected with color silicon were used for this study...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27890834/eagle-syndrome-presenting-after-blunt-trauma
#12
Ashley Mann, Scott Kujath, Mark L Friedell, Scott Hardouin, Chalmers Wood, Robert Carter, Karl Stark
As classically described, Eagle syndrome is an entity where patients develop pain or neurologic manifestations arising from an elongated styloid process and/or an ossified stylohyoid ligament irritating or compressing adjacent cranial nerves or the carotid arteries. Over the past few years, there have been reports of actual injury to the internal carotid artery with dissection, occlusion and strokes. We present three cases identified after blunt trauma-one due to carotid compression and two due to actual injury to the internal carotid artery...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890187/imaging-of-paranasal-sinuses-and-anterior-skull-base-and-relevant-anatomic-variations
#13
REVIEW
Estushi Iida, Yoshimi Anzai
This article reviews the normal anatomy and variants of the anterior skull base and sinonasal cavities that are relevant to endoscopic sinus and skull base surgery. Radiologists should be aware of sinonasal anatomy that can be impediments to surgical access and increase risk of vascular or cranial nerve injury during surgery. Imaging features of the paranasal sinuses and anterior skull base pathologies are also discussed.
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890185/high-resolution-three-dimensional-mr-imaging-of-the-skull-base-compartments-boundaries-and-critical-structures
#14
REVIEW
Ari Meir Blitz, Nafi Aygun, Daniel A Herzka, Masaru Ishii, Gary L Gallia
High-resolution 3D MRI of the skull base allows for a more detailed and accurate assessment of normal anatomic structures as well as the location and extent of skull base pathologies than has previously been possible. This article describes the techniques employed for high-resolution skull base MRI including pre- and post-contrast constructive interference in the steady state (CISS) imaging and their utility for evaluation of the many small structures of the skull base, focusing on those regions and concepts most pertinent to localization of cranial nerve palsies and in providing pre-operative guidance and post-operative assessment...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890182/imaging-of-perineural-spread-in-head-and-neck-cancer
#15
REVIEW
David Badger, Nafi Aygun
Perineural spread (PNS) of tumor is a recognized pattern of metastasis occurring in the head and neck. Imaging plays a critical role in identifying PNS for adequate staging and treatment planning. Understanding the major branches and pathways of cranial nerves V and VII, key anatomic landmarks, interconnections between these nerves, and pearls and pitfalls of PNS imaging can aid in early detection, appropriate therapy, and the best possible chance for cure.
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890181/imaging-of-vascular-compression-syndromes
#16
REVIEW
Joseph H Donahue, David A Ornan, Sugoto Mukherjee
Trigeminal neuralgia, hemifacial spasm, vestibulocochlear neuralgia and glossopharyngeal neuralgia represent the most common neurovascular compression syndromes. Repeated vascular pulsations at the vulnerable transitional zone of the individual cranial nerves lead to focal axonal injury and demyelination. High-resolution 3-D T2-weighted MR imaging is essential in detecting and mapping neurovascular compression for directed therapy. Knowledge of the specific nerve root exit, the transitional zones, and the adjacent vasculature is critical in proper management...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890180/imaging-of-the-posterior-skull-base
#17
REVIEW
Joici Job, Barton F Branstetter
The posterior skull base can be involved by a variety of pathologic processes. They can be broadly classified as: traumatic, neoplastic, vascular, and inflammatory. Pathology in the posterior skull base usually involves the lower cranial nerves, either as a source of pathology or a secondary source of symptoms. This review will categorize pathology arising in the posterior skull base and describe how it affects the skull base itself and surrounding structures.
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27888641/carotid-artery-and-lower-cranial-nerve-exposure-with-increasing-surgical-complexity-to-the-parapharyngeal-space
#18
Ana M Lemos-Rodriguez, Satyan B Sreenath, Rounak B Rawal, Lewis J Overton, Zainab Farzal, Adam M Zanation
OBJECTIVES/HYPOTHESIS: To investigate the extent of carotid artery exposure attained, including the identification of the external carotid branches and lower cranial nerves in five sequential external approaches to the parapharyngeal space, and to provide an anatomical algorithm. STUDY DESIGN: Anatomical study. METHODS: Six latex-injected adult cadaver heads were dissected in five consecutive approaches: transcervical approach with submandibular gland removal, posterior extension of the transcervical approach, transcervical approach with parotidectomy, parotidectomy with lateral mandibulotomy, and parotidectomy with mandibulectomy...
November 26, 2016: Laryngoscope
https://www.readbyqxmd.com/read/27887735/influence-of-general-anaesthesia-on-the-brainstem
#19
L Bosch, J Fernández-Candil, A León, P L Gambús
The exact role of the brainstem in the control of body functions is not yet well known and the same applies to the influence of general anaesthesia on brainstem functions. Nevertheless in all general anaesthesia the anaesthesiologist should be aware of the interaction of anaesthetic drugs and brainstem function in relation to whole body homeostasis. As a result of this interaction there will be changes in consciousness, protective reflexes, breathing pattern, heart rate, temperature or arterial blood pressure to name a few...
November 22, 2016: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/27886888/imaging-of-oculomotor-third-cranial-nerve-palsy
#20
REVIEW
Michael S Vaphiades, Glenn H Roberson
When evaluating a patient with an oculomotor cranial nerve palsy it may be unclear which neuroimaging modality is optimal; MRI, MR angiography, computed tomography, computed tomography angiography, or intraarterial digital subtraction angiography. We discuss the clinical guidelines in the evaluation of such patients and review neuroimaging techniques, outlining the advantages and disadvantages of each.
February 2017: Neurologic Clinics
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