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Oculomotor nerve

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https://www.readbyqxmd.com/read/29344066/diagnostic-challenge-sequential-unilateral-cranial-neuropathies-due-to-perineural-spread-of-carcinoma
#1
Heather E Moss, Peter W MacIntosh, Konstantin V Slavin, John M Collins
An 86-year old man developed sequential dysfunction of trigeminal (V1), facial, abducens, trigeminal (v2), oculomotor, and hypoglossal cranial nerves on the right over 20 months. Magnetic resonance imaging (MRI) showed a lesion in the right cavernous sinus. Although there was clinical suspicion that this was related to perineural spread of an extracranial tumour, a primary lesion was not discovered. Stereotactic biopsies of the intracranial lesion were non-diagnostic, and the patient succumbed to his tumour following a period of rapid growth...
August 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29341940/mucocele-of-the-sphenoid-sinus
#2
Karen B Djambazov, Borislav D Kitov, Christo B Zhelyazkov, Atanas N Davarski, Alexandrina R Topalova
Mucocele of the paranasal sinuses is a rare disease with slow evolution. It is a benign, encapsulated and destructive formation filled with mucous fluid and tapistrated with respiratory epithelium. Of all the paranasal sinuses, the sphenoid sinus is affected in only 1-7% of the cases. We present two cases of mucocele of the sphenoid sinus involving the posterior ethmoidal cells. We consider here their clinical presentation, use of neuroimaging in the diagnosis, surgical care and postoperative results. Both patients presented with a history of persistent headache and in addition, one of them had a paresis of the right oculomotor and abducens nerves...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29298208/electrophysiology-of-extraocular-cranial-nerves-oculomotor-trochlear-and-abducens-nerve
#3
Praveen Hariharan, Jeffery R Balzer, Katherine Anetakis, Donald J Crammond, Parthasarathy D Thirumala
The utility of extraocular cranial nerve electrophysiologic recordings lies primarily in the operating room during skull base surgeries. Surgical manipulation during skull base surgeries poses a risk of injury to multiple cranial nerves, including those innervating extraocular muscles. Because tumors distort normal anatomic relationships, it becomes particularly challenging to identify cranial nerve structures. Studies have reported the benefits of using intraoperative spontaneous electromyographic recordings and compound muscle action potentials evoked by electrical stimulation in preventing postoperative neurologic deficits...
January 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29290461/oculomotor-palsy-in-diabetics
#4
H Lajmi, W Hmaied, W Ben Jalel, Z Chelly, A Ben Yakhlef, F Ben Zineb, L El Fekih
INTRODUCTION: Oculomotor palsy is one of the most frequent neuro-ophthalmologic complications of diabetic patients. It generates less interest in the literature than the other ocular manifestations. Our goal was to study the clinical, epidemiological, therapeutic and prognostic characteristics of oculomotor palsy in the diabetic. METHODS: This is a retrospective study of 24 diabetic patients with oculomotor palsy. The ophthalmological examination emphasized ocular motility...
December 28, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29289389/tubb3-e410k-syndrome-with-osteoporosis-and-cough-syncope-in-a-patient-previously-diagnosed-with-atypical-moebius-syndrome
#5
Yasuko Nakamura, Hiroshi Matsumoto, Kiyotaka Zaha, Kenji Uematsu, Shigeaki Nonoyama
BACKGROUND: A heterozygous c.1228G > A p.E410K mutation in TUBB3 encoding neuronal-specific β-tubulin isotype 3 causes TUBB3 E410K syndrome, which exhibits a wide range of neurological and endocrinological abnormalities. CASE DESCRIPTION: The patient is a 31-year-old Japanese woman who was diagnosed with atypical Moebius syndrome because of congenital facial weakness and extraocular ophthalmoplegia sparing abduction. She suffered a femoral neck fracture at 23 years of age, and radiological and endocrinological studies revealed osteoporosis because of hypogonadotropic hypogonadism...
December 27, 2017: Brain & Development
https://www.readbyqxmd.com/read/29288394/endoscopic-transorbital-route-to-the-petrous-apex-a-feasibility-anatomic-study
#6
Alberto Di Somma, Norberto Andaluz, Luigi Maria Cavallo, Thomaz E Topczewski, Federico Frio, Rosa Maria Gerardi, Jose Pineda, Domenico Solari, Joaquim Enseñat, Alberto Prats-Galino, Paolo Cappabianca
BACKGROUND: While the subtemporal approach represents the surgical module milestone designed to reach the petrous apex, a novel ventral route, which is the superior eyelid endoscopic transorbital approach, has been proposed to access the skull base. Accordingly, we aimed to evaluate the feasibility of this route to the petrous apex, providing a qualitative and quantitative analysis of this relatively novel pathway. METHODS: Five human cadaveric heads were dissected at the Laboratory of Surgical NeuroAnatomy of the University of Barcelona...
December 29, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29260112/persistent-pseudomyopia-following-a-whiplash-injury-in-a-previously-emmetropic-woman
#7
Fintan E Hughes, Maxwell P Treacy, Emma S Duignan, Paul B Mullaney
Purpose: Accommodative spasm, which manifests as ciliary muscle spasm, convergent strabismus or miosis, is a recognised consequence of head trauma. In whiplash cases, cervical spine hyperextension poses a risk of contra-coup injury and brainstem trauma, and is known to affect the visual system. However, to date, no cases of accommodative spasm due to whiplash injury have been reported. Observations: We present the case of a 34-year-old female who developed sudden onset blurred distance vision after a rear impact car crash, having previously been emmetropic...
December 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29250664/morphological-changes-in-support-mechanism-of-superficial-face-layers-in-moebius-syndrome
#8
Marius Valeriu Hînganu, Cristinel Ionel Stan, Traian Ţăranu, Delia Hînganu
Moebius syndrome, also called congenital facial paralysis is a rare neurological disease, whose etiology is not fully elucidated. It affects especially facial and oculomotor cranial nerves and its clinical feature is peripheral facial paralysis. The objective of the study is to highlight the anatomical and functional changes in the Moebius syndrome and establish certain criteria that should be the basis for reparative surgery in this disease. For this purpose, we used a group of six patients diagnosed with this pathology, in whom we pursued functional anatomical and histological changes of the superficial layers of the face that we have grouped in terms of their clinical impact...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29241271/how-reliable-is-pupillary-evaluation-following-subarachnoid-hemorrhage-effect-of-oculomotor-nerve-degeneration-secondary-to-posterior-communicating-artery-vasospasm-first-experimental-study
#9
Cengiz Ozturk, Nuriye Guzin Ozdemir, Ayhan Kanat, Mehmet Dumlu Aydin, Huseyin Findik, Nazan Aydin, Mehmet Esref Kabalar, Hizir Kazdal, Coskun Yolas, Orhan Baykal, Muhammet Calik
No abstract text is available yet for this article.
December 14, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29230265/-juvenile-myasthenia-gravis-in-sub-saharan-africa-a-case-study-of-two-consanguine-sisters-born-from-consanguinity-in-togo
#10
Nidain Maneh, Kossivi Apetse, Bénédicte Marèbe Diatewa, Sidik Abou-Bakr Domingo, Aidé Isabelle Agba, Koffi Didier Ayena, Koffi Agnon Balogou, Komi Patrice Balo
Myasthenia gravis is a rare acquired autoimmune pathology causing neuromuscular transmission impairment. Juvenile onset of myasthenia gravis is often characterized by ocular involvement. We report two cases of ocular juvenile myasthenia gravis (JMG) in two siblings. They were two young girls, XA and XB, aged 11 and 9 years, of Malian origin, residing in Togo, born from first-degree of consanguinity presenting to Ophthalmology due to progressive decrease in visual acuity. XA showed visual acuity 8/10 on both eyes while XB showed improvement in visual acuity from 3/10 to 7/10 using a pinhole occluder, suggesting ametropia...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29212484/clinical-features-of-visual-disturbances-secondary-to-isolated-sphenoid-sinus-inflammatory-diseases
#11
Lanlan Chen, Libin Jiang, Bentao Yang, Prem S Subramanian
BACKGROUND: Visual disturbances associated with isolated sphenoid sinus inflammatory diseases (ISSIDs) are easily misdiagnosed due to the nonspecific symptoms and undetectable anatomical location. The main objective of this retrospective case series is to investigate the clinical features of visual disturbances secondary to ISSIDs. METHODS: Clinical data of 23 patients with unilateral or bilateral visual disturbances secondary to ISSIDs from 2004 to 2014 with new symptoms were collected...
December 6, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29204579/ocular-cranial-nerve-palsies-secondary-to-sphenoid-sinusitis
#12
Aiman El Mograbi, Ethan Soudry
Objective: The clinical presentation of sphenoid sinusitis can be highly variable. Rarely, sphenoid sinusitis may present with cranial nerve complications due to the proximity of these structures to the sphenoid sinus. Method: A case series from Rabin Medical Center and all cases of cranial nerves palsies secondary to sphenoid sinusitis that have been reported in the literature were reviewed. Results: Seventeen patients were identified. The abducent nerve was the most common cranial nerve affected (76%), followed by the oculomotor nerve (18%)...
March 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204212/isolated-superior-divisional-oculomotor-nerve-palsy-and-nystagmus-following-mild-trauma
#13
Mukesh Jain, Nirupama Kasturi, Renuka Srinivasan
Traumatic isolated divisional oculomotor nerve palsy has not been reported following mild head injury. We present an interesting case of a 10-year-old male boy who presented with right-sided ptosis, upgaze palsy, and horizontal nystagmus following a mild head trauma. Magnetic resonance imaging showed right superior rectus muscle atrophy. After observing for 6 months, right inferior rectus recession was done. The abnormal head posture and diplopia got corrected, but nystagmus persisted, although with appreciably decreased amplitude...
July 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29199527/diversity-in-clinical-manifestations-and-imaging-features-of-neurosyphilis-obstacles-to-the-diagnosis-and-treatment-report-of-3-cases
#14
Hui Liu, Zong-Bo Zhao, Nian-Xing You
OBJECTIVE: To explore the clinical manifestations and imaging features of neurosyphilis and to discuss the obstacles in the diagnosis and treatment of neurosyphilis. METHODS: We present this case study involving 3 cases of definite neurosyphilis, focusing on their clinical data. RESULTS: Case 1 is a patient with numb and weak left lower limb. Case 2 showed slow reaction and dementia behaviors including worse memory and the decrease of calculation and orientation ability in this patient...
December 2, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29181327/acquired-ptosis-associated-with-oculomotor-and-contralateral-facial-nerve-synkinesis-the-first-reported-case
#15
Mauro Tarallo, Magda Gharbiya, Maria Giuseppina Onesti, Andrea Conversi, Marco Toscani, Pasquale Fino, Nicolò Scuderi, Giuseppe Di Taranto
No abstract text is available yet for this article.
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29174523/transvenous-coil-embolization-for-the-treatment-of-carotid-cavernous-fistula-after-pipeline-placement-a-case-report
#16
Ryuta Nakae, Masaya Nagaishi, Issei Takano, Yoshihiro Tanaka, Akio Hyodo, Kensuke Suzuki
The Pipeline embolization device (PED), a type of flow diverter, has become an appealing alternative treatment option for large or giant and wide-necked intracranial aneurysms. Carotid cavernous fistula (CCF) resulting from delayed aneurysmal rupture is a rare complication of PED placement with unknown pathophysiology. Here, we describe a case of CCF resulting from aneurysmal rupture following PED placement, and present the details of treatment by transvenous coil embolization. An 81-year-old woman was referred to our hospital for treatment of an 18...
November 22, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29159152/cranial-nerve-palsy-after-onyx-embolization-as-a-treatment-for-cerebral-vascular-malformation
#17
Jong Min Lee, Kum Whang, Sung Min Cho, Jong Yeon Kim, Ji Woong Oh, Youn Moo Koo, Chul Hu, Jinsoo Pyen, Jong Wook Choi
The Onyx liquid embolic system is a relatively safe and commonly used treatment for vascular malformations, such as arteriovenous fistulas and arteriovenous malformations. However, studies on possible complications after Onyx embolization in patients with vascular malformations are limited, and the occurrence of cranial nerve palsy is occasionally reported. Here we report the progress of two different types of cranial nerve palsy that can occur after embolization. In both cases, Onyx embolization was performed to treat vascular malformations and ipsilateral oculomotor and facial nerve palsies were observed...
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29145322/ptosis-as-the-only-manifestation-of-diabetic-superior-division-oculomotor-nerve-palsy-a-case-report
#18
Ping-Yin Chou, Kun-Han Wu, Poyin Huang
RATIONALE: Diabetic oculomotor nerve palsies, also called ischemic third nerve palsies, are the most common etiologic subset of oculomotor nerve palsy in adults. Diabetic oculomotor nerve palsies typically present with ptosis and diplopia, but pupillary function is often spared. The oculomotor nerve separates into superior division and inferior division, with the superior division innervating the superior rectus and levator palpebrae superioris. The diabetic oculomotor nerve palsy may affect isolated superior or inferior division of the oculomotor nerve, but diplopia usually exists...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134445/ptosis-and-bulbar-onset-an-unusual-phenotype-of-familial-als
#19
Fabiola De Marchi, L Corrado, E Bersano, M F Sarnelli, V Solara, S D'Alfonso, R Cantello, L Mazzini
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder of upper and lower motor neurons that usually spare the oculomotor nerves. Here, we describe a case of two siblings with a familial bulbar-onset ALS both with ptosis manifested at the onset of the disease.
November 13, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29120512/endoscopic-endonasal-surgery-for-pituitary-adenomas-extending-to-the-oculomotor-cistern
#20
Masaaki Taniguchi, Tomoaki Nakai, Hidehito Kimura, Yuichi Fujita, Yoichi Uozumi, Masaaki Kohta, Eiji Kohmura
BACKGROUND: Extension of a pituitary adenoma to the oculomotor cistern harbors the risk of oculomotor nerve impairment and further extension into the interpeduncular cistern. The role of endoscopic endonasal surgery for those lesions was investigated. METHODS: The medical records were retrospectively analyzed. Attention was paid to the oculomotor nerve function and removal rate of the tumor within the oculomotor and interpeduncular cisterns. RESULTS: Six patients were eligible for the study, including 2 with oculomotor nerve palsy...
November 9, 2017: Head & Neck
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