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Neuro-ophthalmology

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https://www.readbyqxmd.com/read/28533811/re-unilateral-ptosis-and-homolateral-hemifacial-weakness-in-chronic-progressive-external-ophthalmoplegia
#1
COMMENT
Michael T Yen, Jennifer Murdock, Preeti J Thyparampil
No abstract text is available yet for this article.
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512510/unilateral-ptosis-and-homolateral-hemifacial-weakness-in-chronic-progressive-external-ophthalmoplegia
#2
COMMENT
Josef Finsterer, Sinda Zarrouk-Mahjoub
No abstract text is available yet for this article.
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512509/united-kingdom-csf-disorders-day-14th-october-2016-university-hospitals-birmingham
#3
Ruchika Batra, Alexandra Sinclair, Susan Mollan
The management of patients with cerebrospinal fluid (CSF) disorders requires a multi-specialty approach involving specialists in neurosurgery, neurology, neuroradiology, and neuro-ophthalmology. A symposium on CSF disorders took place at University Hospitals Birmingham and covered a selection of the more challenging and controversial issues facing the multi-specialty team. The meeting also featured a synopsis of the latest scientific research. The authors provide an overview of the event.
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512508/lhermitte-duclos-disease-and-cerebellar-gangliocytoma-an-incidental-finding-in-a-patient-with-gradual-vision-loss
#4
Akshay Badakere, Pratik Chaugule, Soveeta Souravee Rath
A 50-year-old male patient presented to the neuro-ophthalmology clinic with chief complaints of gradual decrease in vision in both eyes, more in the left eye, for 6 years. On general examination, the patient had a hemiplegic gait. His presenting acuity was 20/50 in the right eye and 20/320 in the left eye, not improving further. He had dense posterior subcapsular cataracts in both eyes, and fundus examination revealed pale discs. Humphrey visual field tests 30-2 revealed a vertical nasal midline defect in the right eye and grossly depressed fields in the left eye...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512507/homonymous-hemianopsia-due-to-posterior-cortical-atrophy
#5
Francesco Pellegrini, Andrew G Lee, Pietro Zucchetta
A 63-year-old woman presented to her ophthalmologist complaining of reading difficulties for two years. Ophthalmological examination revealed a homonymous hemianopsia. Brain magnetic resonance imaging (MRI) scan was interpreted as normal, but positron emission tomography (PET) showed areas of posterior brain hypometabolism. This case highlights the high diagnostic suspicion that ophthalmologists should have regarding posterior cortical atrophy (including the visual variant of Alzheimer disease) in patients complaining of reading difficulties in the setting of a normal ophthalmic examination...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512506/case-of-primary-leptomeningeal-lymphoma-presenting-with-papilloedema-and-characteristics-of-pseudotumor-syndrome
#6
Mai Takagi, Hidehiro Oku, Teruyo Kida, Toshikazu Akioka, Tsunehiko Ikeda
The authors describe an immunocompetent, 50-year-old man who complained of a daily transient blurring of his vision with bilateral papilloedema. His visual acuity was 20/20 OU, and the blind spot was enlarged bilaterally. There was intracranial hypertension, but imaging for systemic and brain tumours were negative. These findings suggested a diagnosis of the pseudotumor syndrome. However, MRI showed leptomeningeal enhancement, and acetazolamide successfully resolved his visual symptoms and papilloedema. Cytology and flow cytometry of the CSF led to the final diagnosis of primary leptomeningeal lymphoma (PLML)...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512505/chronic-invasive-fungal-sinusitis-presenting-as-inferior-altitudinal-visual-field-defect
#7
Reema Bansal, Aastha Takkar, Vivek Lal, Amanjit Bal, Sandeep Bansal
A young male with acute blurring of vision (6/9) complained of an inferior altitudinal field defect in right eye. Clinical ophthalmological examination was normal. Magnetic resonance imaging (MRI) of the brain revealed the expansion and mucosal thickening of right posterior ethmoid and sphenoid sinuses and opacified right maxillary sinus. Surgical intervention (transethmoidal sphenoidotomy) and histopathological examination revealed chronic invasive granulomatous fungal sinusitis. Anti-fungal therapy led to resolution of visual complaints and restoration of visual field defects...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512504/a-case-report-of-drug-induced-myopathy-involving-extraocular-muscles-after-combination-therapy-with-tremelimumab-and-durvalumab-for-non-small-cell-lung-cancer
#8
William Carrera, Brandon J Baartman, Gregory Kosmorsky
Recently developed anti-tumour therapies targeting immune checkpoints include tremelimumab and durvalumab. These agents have incompletely characterised side effect profiles. The authors report a 68-year-old man treated for non-small cell lung cancer (NSCLC) with a combination of tremelimumab and durvalumab. After treatment he developed diplopia, ptosis, fatigue, weakness, and an inflammatory myopathy affecting the extraocular muscles requiring hospitalisation. Electromyography (EMG) testing and muscle biopsy suggested inflammatory myopathy without sign of myasthenia...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512503/massive-oculomotor-nerve-enlargement-a-case-of-presumed-schwannomatosis
#9
Laura Donaldson, Ryan Rebello, Amadeo Rodriguez
A 45-year-old man presented with a slowly progressive pupil-involving third nerve palsy. Magnetic resonance imaging (MRI) revealed a tubular lesion extending from the interpeduncular cistern through the cavernous sinus and into the left orbit where it branched into a superior and an inferior division, clearly outlining the anatomy of the third cranial nerve. Multiple other, less pronounced, enlarged cranial nerves were noted. The differential diagnosis included chronic inflammatory demyelinating polyneuropathy (CIDP), hereditary motor and sensory neuropathy (HMSN), neurofibromatosis (NF), and schwannomatosis...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28512502/health-inequalities-associated-with-post-stroke-visual-impairment-in-the-united-kingdom-and-ireland-a-systematic-review
#10
REVIEW
K L Hanna, F J Rowe
The aim of this study was to report on the health inequalities facing stroke survivors with visual impairments as described in the current literature. A systemic review of the literature was conducted to investigate the potential health inequalities facing stroke survivors with subsequent visual impairments. A quality-of-evidence and risk-of-bias assessment was conducted for each of the included articles using the appropriate tool dependent on the type of article. Only four articles discussed health inequalities affecting stroke survivors with visual impairment specifically...
June 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348635/re-unusual-cause-of-horner-syndrome-13-years-after-in-situ-ductal-carcinoma
#11
Kadri Altundag
No abstract text is available yet for this article.
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348634/trans-synaptic-retrograde-degeneration-following-hemispherectomy-in-childhood
#12
Sian E Handley, Vasiliki S Panteli, Alki Liasis
Trans-synaptic retrograde degeneration (TRD) in the human visual system has been established. However there are few studies demonstrating macular thinning of the Retinal Ganglion cell Layer and/or Inner Plexiform layer (RGCL-IPL), corresponding to an acquired homonymous hemianopia. We report a 17 year old with a homonymous hemianopia, secondary to a hemispherectomy for intractable epilepsy. Three years following hemispherectomy, Optical Coherence Tomography (OCT) revealed evidence of TRD, corresponding to his complete homonymous hemianopia...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348633/differentiating-leber-hereditary-optic-neuropathy-from-normal-tension-glaucoma
#13
Fernanda Maria Silveira Souto, José Paulo Cabral de Vasconcellos, Mônica Barbosa de Melo, Edi Lúcia Sartorato, Frederico Castelo Moura
Glaucoma is a neurodegenerative disorder characterized by thinning of neuroretinal rim, enlarged cup-to-disc ratio (CDR) and visual field damage. Although raised intraocular pressure is main risk factor for development of glaucoma, it can occur with consistently normal measurements in the intraocular pressure as normal tension glaucoma (NTG). Enlargement of CDR is a classical sign of glaucoma, but it can also result from non-glaucomatous optic neuropathies such as Leber hereditary optic neuropathy (LHON). We describe a case of LHON with increased CDR, discuss its differential diagnosis with NTG and highlight the reasons for misdiagnoses between these two entities...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348632/primary-ocular-adnexal-extranodal-marginal-zone-mucosa-associated-lymphoid-tissue-malt-lymphoma-presenting-as-orbital-apex-syndrome
#14
Carlen A Yuen, John H Pula, Milap Mehta
A 75-year-old female with a past medical history significant for prior stroke and atrial fibrillation presented with acute onset of orbital apex syndrome with chemosis and periorbital ecchymosis. Following initial treatment to relieve intraocular pressure, she began spontaneously haemorrhaging retro-orbitally. Preliminary investigation with neuroimaging demonstrated a left orbital mass with extension into the orbital apex. A provisional diagnosis of cavernous haemangioma was made. She was treated with transorbital resection of the orbital mass...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348631/optic-neuropathy-as-the-initial-presenting-sign-of-n-methyl-d-aspartate-nmda-encephalitis
#15
Mark Mugavin, Brett H Mueller, Masoom Desai, Karl C Golnik
A 52-year-old woman presented with painless vision loss for 3 months. She was in custody for allegedly robbing a bank and had recently been diagnosed with paranoid schizophrenia. She had 20/100 VA OD, a 2+RAPD, and optic atrophy. Extensive diagnostic workup including MRI, Fluorescein Angiography, Infectious Disease Panel, lumbar puncture, and leptomeningeal biopsy were unrevealing. Vision in her right eye declined to NLP and her left eye declined to 20/200 VA. Anti N-methyl-D-aspartate (NMDA) Autoimmune Encephalitis was diagnosed based on CSF serology and clinical suspicion...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348630/intracanalicular-optic-nerve-swelling-and-signal-change-in-fulminant-untreated-idiopathic-intracranial-hypertension
#16
Anand A Moodley, Mahlubonke S Dlwati, Miranda Durand
The role of the optic canal in the pathogenesis of papilloedema has been under scrutiny recently. Whether a larger canal precedes more severe papilloedema or is the result of bone remodelling from chronically raised pressure across a pressure gradient is not clear. The authors present the magnetic resonance imaging findings of a 29-year-old female with fulminant and untreated idiopathic intracranial hypertension. Imaging showed focal expansion and intrinsic signal changes of the intracanalicular optic nerve...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348629/optical-coherence-angiographic-demonstration-of-retinal-changes-from-chronic-optic-neuropathies
#17
John J Chen, Jackson E AbouChehade, Raymond Iezzi, Jacqueline A Leavitt, Randy H Kardon
Glaucoma causes a decrease in peripapillary perfused capillary density on optical coherence tomography (OCT) angiography. However, other chronic optic neuropathies have not been explored with OCT angiography to see if these changes were specific to glaucoma. The authors evaluated OCT angiography in 10 patients who suffered various kinds of chronic optic neuropathies, including optic neuritis and ischaemic optic neuropathy, and found that all optic neuropathies showed a decrease in peripapillary vessel density on OCT angiography, regardless of the aetiology of the optic neuropathy...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348628/risk-factors-for-non-arteritic-anterior-ischaemic-optic-neuropathy-in-a-korean-population
#18
Dae Hyun Kim, Gwang Rae Shin, Young Je Choi
To determine the risk factors for non-arteritic anterior ischaemic optic neuropathy (NAION) in Korean patients, medical records from 45 Korean patients group and 45 healthy controls group were retrospectively reviewed. 10 NAION risk factors, including age, sex, associated systemic disease, past medical/social history, and fundus findings were analyzed. Significant risk factors for NAION in Korean patients were diabetes mellitus (odds ratio (OR) = 3.613, p = 0.020), hypercholesterolaemia (OR = 5.200, p = 0.001), smoking (OR = 3...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348627/visual-field-losses-in-patients-with-migraine-without-aura-and-tension-type-headache
#19
Arif Ü Yener, Osman Korucu
The aim of the study was to compare the visual fields during pain attacks in the patients with migraine without aura and tension-type headache using automated perimetry. In this study 25 patients with migraine and 25 patients with tension-type headache were evaluated.The optic disc, macula and retina were assessed and patients with normal values were enrolled into the study. Intraocular pressure of all patients were measured. Furthermore, visual field test was applied to both groups using Humphrey field analyzer (Carl-Zeiss Meditec, model-745 i, Dublin, CA, USA)...
April 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/28348626/amiodarone-associated-optic-neuropathy-clinical-review
#20
REVIEW
An-Guor Wang, Hui-Chen Cheng
Amiodarone, an antiarrhythmic agent, has been associated with visual loss secondary to optic neuropathy. The reported mean duration of amiodarone use before visual loss is about 9 months. Patients receiving amiodarone have a 2-fold increased risk of developing optic neuropathy, especially in males and possibly in patients with longer duration of treatment. Amiodarone-associated optic neuropathy is characterised by an insidious onset, slow progression, bilateral simultaneous visual loss, and protracted disc swelling...
April 2017: Neuro-ophthalmology
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