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Neuro-ophthalmology

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https://www.readbyqxmd.com/read/30258482/report-on-the-reuni%C3%A3-n-iberoamericana-de-neuro-otologia-2018
#1
John H Pula
A report on the Reunión Iberoamericana de Neuro-otologia 2018 Fundacion Iberoamericana de Neuro-otologia.
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258481/proceedings-of-the-neuro-ophthalmology-program-of-the-33rd-asia-pacific-academy-of-ophthalmology-congress-hong-kong-8-11-february-2018
#2
Noel C Y Chan, Andy C O Cheng, Jonathan C H Ho, Jerry K H Lok, Carmen K M Chan
The 33rd Asia-Pacific Academy of Ophthalmology (APAO) Congress was held on Feb 8-11, 2018 in Hong Kong. This report summarized the highlights of the neuro-ophthalmology program of the Congress, including the scientific symposia (invited and submitted) and the social activities.
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258480/supraorbital-nerve-and-cavernous-sinus-invasion-with-poorly-differentiated-carcinoma-of-unknown-primary
#3
Saagar N Patel, Mohammad Obadah Nakawah, Ama Sadaka, Shauna Berry, Juan Ortiz Gomez, Suzanne Powell, Andrew G Lee
A 50-year-old man presented with a 4-month history of right-sided trigeminal neuropathy in the V1 and V2 distribution, right sixth nerve palsy and Horner syndrome. Magnetic resonance imaging (MRI) showed enhancement and thickening along the right ophthalmic nerve and supraorbital nerve and fullness at the right cavernous sinus extending to Meckel's cave. Evaluation for a primary tumour was negative. Cavernous sinus biopsy showed infiltrating poorly differentiated carcinoma; the patient underwent radiation therapy...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258479/vertical-gaze-palsy-caused-by-selective-unilateral-rostral-midbrain-infarction
#4
Misato Yokose, Kohei Furuya, Masayuki Suzuki, Tadashi Ozawa, Younhee Kim, Kumiko Miura, Kosuke Matsuzono, Takafumi Mashiko, Mari Tada, Reiji Koide, Haruo Shimazaki, Tohru Matsuura, Shigeru Fujimoto
Vertical gaze palsy is rarely a neurological symptom, although it has been observed in some cases. Here, we report the case of a patient presenting with complete upward and downward gaze palsy. In this case, a small lesion in the left rostral midbrain was observed on diffusion-weighted magnetic resonance (MR) images, and the lesion was considered to cause the ocular symptom. We consider that vertical gaze palsy is an important clue to an accurate topical diagnosis of a brain lesion.
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258478/bilateral-sixth-nerve-palsy-and-nasal-voice-in-two-sisters-as-a-variant-of-guillan-barr%C3%A3-syndrome
#5
Francesco Pellegrini, Margaret Wang, Napoleone Romeo, Andrew G Lee
A 6-year-old girl with acute pharyngitis presented with complaints of hypernasal speech and double vision. Examination revealed a bilateral abduction deficit associated with soft palate palsy causing rhinolalia aperta. Cerebrospinal fluid analysis showed albuminocytologic dissociation. Her sister also suffered from the same disorder, albeit milder, 1 month before. After treatment with intravenous immunoglobulin and steroids, the patient made a full recovery. After the case report, a brief discussion of Miller Fisher syndrome, Guillan-Barré syndrome, and their variants is made...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258477/carboplatin-associated-cranial-neuropathy
#6
Shanlee M Stevens, Collin M McClelland, John E Trusheim, Michael S Lee
Carboplatin is a platinum-based chemotherapeutic agent used for the treatment of many solid tumors. Peripheral neuropathy is a common side effect; but, to our knowledge, ocular motor cranial neuropathies have not been reported in the literature. We describe a case of persistent third and fourth nerve palsies after systemic administration of intra-arterial carboplatin for glioblastoma multiforme. Neither nerve regained function after carboplatin was stopped.
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258476/a-unique-case-of-horner-s-syndrome-following-subintimal-haematoma-within-an-atherosclerotic-plaque
#7
Mª Lourdes Del Río Solá, Carlos Vaquero Puerta
Background and Importance We describe a patient with Horner's syndrome caused by an extensive intraparietal hematoma in the wall of the internal carotid artery confused with an arterial dissection. Detection of such pathology instead of dissection or arteritis is important as the management is different. As far as the authors know, it is the first case in which a haematoma within an atherosclerotic plaque is clinically related Horner's syndrome. Clinical Presentation A 81-year-old man presented with acute right hemiplegia and loss of vision of the left eye due to a central retinal artery occlusion...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258475/early-loss-of-optic-cup-with-increased-intracranial-pressure
#8
John Horsburgh, Rustom Bativala, Michael Burdon, Peter Shah
A 54-year-old woman developed increased intracranial pressure due to chronic dural venous sinus thrombosis in the absence of significant comorbidity. In the years preceding diagnosis, the patient underwent routine diabetic retinopathy screening; however, gradual loss of optic cup and disc swelling was only retrospectively noted after marked papilloedema was evident at an optometry visit. The patient made a full recovery once the diagnosis was established. This case is novel in the literature as routine photographs, taken for diabetic retinopathy screening, demonstrate the natural history of papilloedema before medical intervention...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258474/could-platelet-indices-and-neutrophil-to-lymphocyte-ratio-be-new-biomarkers-for-differentiation-of-arteritic-anterior-ischemic-neuropathy-from-non-arteritic-type
#9
Merve Inanc, Kemal Tekin, Ozlem Budakoglu, Bayazit Ilhan, Onder Aydemir, Pelin Yilmazbas
The aim of this study was to assess the possible relationship between AAION (arteritic anterior ischemic optic neuropathy) and NAION (non-arteritic anterior ischemic optic neuropathy) with blood platelet parameters and NLR (neutrophil-to-lymphocyte ratio). The medical records of 12 patients with AAION, 33 patients with NAION, and 35 healthy subjects were examined. MPV, PDW, and PCT values showed marked elevation in AAION and NAION groups compared with control group. The mean NLR was statistically significantly higher only in AAION group compared to the NAION and control groups, suggesting that platelet function plays an important role in AIONs and NLR might be used to differentiate AAION from NAION...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258473/the-use-of-a-nomogram-to-visually-interpret-a-logistic-regression-prediction-model-for-giant-cell-arteritis
#10
Edsel B Ing, Royce Ing
OBJECTIVE: To illustrate the utility of a nomogram for the prediction of giant cell arteritis (GCA). METHOD: A nomogram was constructed from a multivariable logistic regression prediction model with 10 covariates: age, sex, clinical temporal artery abnormality, new-onset headache, jaw claudication, vision loss, diplopia, erythrocyte sedimentation rate, C-reactive protein, and platelet level. RESULTS: The magnitude and location of the nomogram scale for each predictor variable graphically illustrates the net effect of each covariate and is especially useful for continuous variables such as age and bloodwork values...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258472/blepharospasm-in-japan-a-clinical-observational-study-from-a-large-referral-hospital-in-tokyo
#11
M Wakakura, A Yamagami, M Iwasa
Focal dystonia is regarded as a characteristic feature of blepharospasm. However, patients do not always present with motor symptoms. To clarify the clinical features of blepharospasm in Japan, we conducted a retrospective observational study involving a large population of patients from a single institution. Common symptoms included difficulty opening the eyes, photophobia, and ocular pain/irritation. Initial symptoms often occurred following the long-term use of psychotropics such as etizoram, benzodiazepines, and zolpidem (32% of patients)...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30258471/fundus-photography-vs-ophthalmoscopy-outcomes-in-the-emergency-department-foto-ed-phase-iii-web-based-in-service-training-of-emergency-providers
#12
Beau B Bruce, Samuel Bidot, Rabih Hage, Lindsay C Clough, Caroline Fajoles-Vasseneix, Mikhail Melomed, Matthew T Keadey, David W Wright, Nancy J Newman, Valérie Biousse
We evaluated a web-based training aimed at improving the review of fundus photography by emergency providers. 587 patients were included, 12.6% with relevant abnormalities. Emergency providers spent 31 minutes (median) training and evaluated 359 patients. Median post-test score improvement was 6 percentage points (IQR: 2-14; p  = 0.06). Pre- vs. post-training, the emergency providers reviewed 45% vs. 43% of photographs; correctly identified abnormals in 67% vs. 57% of cases; and correctly identified normals in 80% vs...
October 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042799/chiari-1-malformation-with-optic-disc-drusen
#13
Ozge Sarac, Mehtap Caglayan, Pinar Kosekahya, Murad Bavbek, Nurullah Cagil
A 32 year old female patient with CM 1 diagnosis was referred for the management of papilledema. Ophthalmologic examination revealed normal visual acuity (20/20 in both eyes), normal optic nerve function tests and normal slit-lamp biomicroscopic findings. Fundoscopy revealed bilateral irregular optic nerve heads with blurred margins. B scan ultrasonography (USG) and Spectral domain optical coherence tomography were performed and bilateral optic nerve heads were diagnosed as ODD. We concluded that the pseudopapilledema must be taken into account before making papilledema diagnosis in patients with CM 1 to protect the patients from redundant interventional procedures...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042798/the-case-of-igg4-related-ophthalmic-disease-with-perivascular-lesions-of-superior-ophthalmic-vein-associated-with-optic-nerve-disturbance
#14
Azusa Yamagishi, Toshiyuki Oshitari, Ayako Tawada, Takayuki Baba, Shuichi Yamamoto
A 61-year-old man with hyperthyroidism had exophthalmos with dilated conjunctival vessels in both eyes. Magnetic resonance imaging showed that the superior ophthalmic veins had a funicular-like appearance. Cerebral angiography showed no blood flow from both internal carotid arteries to the cavernous sinus, thus excluding a carotid-cavernous fistula. Blood tests showed an elevation of IgG4 (281 mg/dl), and a IgG4-related ophthalmic disease was considered. Steroid pulse therapy was performed, and all of the abnormal findings were improved...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042797/the-case-of-igg4-related-ophthalmic-disease-accompanied-by-compressive-optic-neuropathy
#15
Marie Takeishi, Toshiyuki Oshitari, Satomi Ota, Takayuki Baba, Shuichi Yamamoto
A 76-year-old woman was diagnosed with thyroid-associated orbitopathy (TAO) associated with hypothyroidism at another clinic. Magnetic resonance imaging showed enlargements of the extraocular muscles. Because her best-corrected visual acuity (BCVA) was 0.01OD, she was referred to the Chiba University Hospital. She had an elevation of serum IgG4. She was diagnosed with possible IgG4-related ophthalmic disease (IgG4-ROD) accompanied by optic nerve compression with the mass. She underwent methylprednisolone pulse therapy, and, two months later, her BCVA and visual field defect were greatly improved...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042796/a-puzzling-ocular-motility-disorder-apparent-up-gaze-fatigability-in-a-patient-with-oculomotor-nerve-compression
#16
Christelle Blanc, Samuel Bidot, Françoise Héran, Émilie Tournaire-Marques, Catherine Vignal-Clermont
We report the case of a woman who developed right third nerve dysfunction with synkinesis and ocular neuromyotonia secondary to a compressive arterial aneurysm. Surprisingly, our examination showed a downward drift of the right eye in sustained up-gaze resulting in transient hypotropia, suggesting either fatigability of the superior rectus or contraction of the inferior rectus. We believe this ocular motility pattern is secondary to a co-contraction of the inferior rectus in up-gaze caused by synkinesis (explaining the downward drift), followed by failure of the inferior rectus to relax upon return to primary position caused by ocular neuromyotonia (explaining the hypotropia)...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042795/amyloid-beta-related-angiitis-with-distinctive-neuro-ophthalmologic-features
#17
Oana M Dumitrascu, Erin M Okazaki, Steven H Cobb, Matthew A Zarka, Stephen A De Souza, Gyanendra Kumar, Cumara B O'Carroll
Amyloid beta-related angiitis (ABRA) is a subtype of cerebral amyloid angiopathy-related inflammation, with distinctive pathology and prognosis compared with cerebral amyloid angiopathy (CAA). On a spectrum of increasing severity, ABRA is considered to be in-between the less aggressive inflammatory-CAA and the more severe primary central nervous system (CNS) angiitis. Whereas retinal pathological changes were described in subjects with primary or secondary CNS angiitis, and non-inflammatory CAA, bilateral posterior pole superficial and peripapillary retinal hemorrhages have not been reported as initial signs in patients with pathology-confirmed ABRA, accompanying neurological spells and characteristic neuroimaging findings...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042794/an-incidental-finding-of-ecchordosis-physaliphora-in-a-case-of-abducens-nerve-palsy-case-report
#18
Chike Ilorah, Brandon Bond, Jorge C Kattah, Bahareh Hassanzadeh
Ecchordosis physaliphora (EP) is a rare non-malignant mass that originates from remains of the notochord and is typically asymptomatic. A 42-year-old man presented with sudden onset of painless horizontal diplopia and his neurological exam showed sixth cranial nerve palsy. Magnetic resonance imaging (MRI) identified a non-enhanced retroclival mass (EP) with increased signal intensity on T2 and decreased signal intensity on T1-weighted sequences. He was treated with methylprednisolone, completely recovered in four weeks and has remained symptom free...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042793/acute-transient-oculomotor-nerve-palsy-from-presumed-cavernous-angioma-in-an-infant
#19
Sonya T Blizzard, Megan E Collins, Neil R Miller
Cavernous angiomas of the cranial nerves are extremely rare, and those of the oculomotor (third) cranial nerve are rarer still, with no previous cases having been reported in the literature. We report herein the first case of a presumed cavernous angioma involving the subarachnoid portion of the left third nerve presenting as an acute left third nerve palsy in an infant. The child was followed without intervention and the palsy completely resolved. Given the poor functional results with attempted surgical excision and the potential for spontaneous improvement in oculomotor nerve function, it is reasonable to follow patients with these lesions without intervention...
August 2018: Neuro-ophthalmology
https://www.readbyqxmd.com/read/30042792/optic-nerve-head-elastometry-in-both-eyes-of-patients-with-unilateral-non-arteritic-anterior-ischaemic-optic-neuropathy-may-it-be-a-novel-aspect-of-the-pathogenesis
#20
Pinar Kosekahya, Mehtap Caglayan, Ozlem Unal, Sema Yuzbasioglu, Mustafa Koc, Cemile Ucgul Atilgan, Fatma Yulek
In this prospective study, the biomechanical properties of optic nerve head (ONH) and cornea in both eyes of patients with non-arteritic anterior ischaemic optic neuropathy and healthy control eyes were investigated. ONH elastometry was measured with real-time elastography, and corneal elastometry was measured with ocular response analyser. Elastometry of cornea and ONH was lower in both eyes of patients with unilateral non-arteritic ischaemic optic neuropathy than in healthy control eyes. The role of these biomechanical differences in the pathogenesis of non-arteritic ischaemic optic neuropathy should be investigated further...
August 2018: Neuro-ophthalmology
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