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https://www.readbyqxmd.com/read/29034651/primary-orbital-hydatid-cyst-a-case-report
#1
Masoud Fallahi Motlagh, Hamid Janghi Aghdam, Behzad Fallahi Motlagh
Hydatid cyst is a rare parasitic infection that involved all organs. It caused by the larval stage of Echinococcus tapeworms. Hydatid cyst of the head and neck is a very rare condition, even in areas where Echinococcus infestation is endemic. Orbital hydatid cyst is extremely rare and accounts for less than 1% of all hydatid cysts. Herein a 24-year-old man with primary orbital hydatid cyst is introduced. He complained from proptosis and diplopia. MRI images revealed a lesion with low signal intensity on T1-weighted images and high signal intensity on T2-weighted images, which displaced the optic nerve inferiorly and the globe inferolateral...
August 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29034151/aqueous-shunt-implantation-in-glaucoma
#2
REVIEW
Jing Wang, Keith Barton
Aqueous shunts or glaucoma drainage devices are increasingly utilized in the management of refractory glaucoma. The general design of the most commonly-used shunts is based on the principles of the Molteno implant: ie. a permanent sclerostomy (tube), a predetermined bleb area (plate) and diversion of aqueous humour to the equatorial region and away from the limbal subconjunctival space. These three factors make aqueous shunts more resistant to scarring as compared to trabeculectomy. The two most commonly used shunts are the Ahmed Glaucoma Valve, which contains a flow-restrictor, and the non-valved Baervedlt Glaucoma Implant...
July 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29026673/endoscopic-management-of-a-cavernous-malformation-on-the-floor-of-third-ventricle-and-aqueduct-of-sylvius-technical-case-report-and-review-of-the-literature
#3
Luis Alberto Ortega-Porcayo, Alexander Perdomo-Pantoja, Isaac Jair Palacios-Ortíz, Salomon Cohen Cohen, Juan Pablo González-Mosqueda, Juan Luis Gómez-Amador
BACKGROUND: Intraventricular cavernous malformations are unusual intracranial vascular malformations; their deep anatomical location complicates their surgical management. Microsurgical approaches are the gold standard approaches for the resection of ventricular lesions, however, they imply considerable neurovascular risks. CASE DESCRIPTION: A 51-year-old patient presented with acute headache, diplopia, vertigo, blurred vision, and a depressed level of consciousness...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29025773/erdheim-chester-disease-atypical-presentation-of-a-rare-disease
#4
Cristian Ricardo Calandra, Ariel Bustos, Florencia Falcon, Naomi Arakaki
We report the clinical case of an adult patient referred to our hospital because of trismus due to a tumour in the right infratemporal and pterygomaxillary fossa. He referred hyporexia, weight loss and right trigeminal neuralgia. On physical examination, he had trismus and diplopia. On neuroimaging, the tumour invaded the central nervous system affecting the right temporal lobe and orbit, and the sellar region. Tumour biopsy revealed foamy histiocytes and isolated giant multinuclear cells immunoreactive to CD68 and negative to CD1a and S100...
October 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29023217/visual-impairment-by-multiple-vascular-embolization-with-hydroxyapatite-particles
#5
Yayoi Marumo, Miki Hiraoka, Masato Hashimoto, Hiroshi Ohguro
We demonstrate a case of ocular impairment caused by a hydroxyapatite filler injection and review the prior literature on clinical presentations. A healthy woman, who received a hydroxyapatite filler injection into the glabella for nose augmentation suddenly had symptoms of nausea, diplopia, visual loss in the left eye, and impaired consciousness. Her left eye showed paresis of the inferior branch of the oculomotor nerve, conjunctival injection, cell infiltration in the anterior chamber, and multiple white spots in the nasal fundus...
October 12, 2017: Orbit
https://www.readbyqxmd.com/read/29023175/complications-and-outcomes-of-grafting-of-posterior-orbital-fat-into-the-lower-lid-cheek-junction-during-orbital-decompression
#6
Andre S Litwin, Cornelia Poitelea, Petrina Tan, Kimia Ziahosseini, Raman Malhotra
PURPOSE: To report the complications of grafting of excised posterior orbital fat into the lower lid-cheek junction at the time of orbital decompression surgery. METHODS: Retrospective review of consecutive patients undergoing orbital decompression combined with grafting of posterior orbital fat to the pre-malar and lateral canthal area (FG). A second group of consecutive patients undergoing orbital decompression but no orbital fat grafting (NoFG) were also studied as a form of comparative control...
October 12, 2017: Orbit
https://www.readbyqxmd.com/read/29022157/radiosurgery-in-trochlear-and-abducens-nerve-schwannomas-case-series-and-systematic-review
#7
Iulia Peciu-Florianu, Constantin Tuleasca, Jean-Nicolas Comps, Luis Schiappacasse, Michele Zeverino, Roy Thomas Daniel, Marc Levivier
INTRODUCTION: Schwannomas involving the occulomotor cranial nerves  (CNs; III, IV and VI), can be disabling, due to the associated diplopia and decreased quality of life and are extremely rare. We evaluated the role of Gamma Knife surgery (GKS) in these cases. METHODS: Five patients with CN IV and VI schwannomas (three and two, respectively) were treated in Lausanne University Hospital between 2010 and 2015. Four benefitted from upfront GKS and one from a combined approach (planned subtotal resection followed by GKS), due to a large preoperative tumour volume (size, 3 × 2 × 2...
October 11, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29020702/-acute-diplopia-differential-diagnosis-and-treatment-options
#8
Carina Kelbsch, Dorothea Besch, Helmut Wilhelm
Acute diplopia can be caused by harmless disorders of the optical system, but also by dangerous intracranial or intraorbital processes that lead to movement disorders of the eyes. It may therefore be difficult to decide whether further diagnostic evaluation is necessary. This article presents a short, structural overview of the most important differential diagnoses of acute diplopia and the treatment options.
October 11, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29018755/vertical-diplopia-after-cataract-surgery-overacting-and-or-underacting-extraocular-muscle
#9
Bing-Herng Shen
The purpose of this study was to demonstrate two cases of vertical diplopia after cataract surgery and to discuss the mechanism and types of strabismus caused by the local anesthesia with retrobulbar injection. Two cases of vertical diplopia after cataract surgeries were reported. They were operated by the same surgeon and both happened to the left eye and both presented with marked left hypotropia. The clinical findings consisted of overacting left inferior rectus (LIR) in case 1 and mixed overacting and restrictive LIR in case 2...
January 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29018750/management-of-diplopia-with-visual-field-defects
#10
Ling-Yuh Kao, Chun-Hsiu Liu, Meng-Ling Yang
PURPOSE: The management of diplopia can be challenging in patients with a concurrent visual-field (VF) defect. We conducted a retrospective chart review to analyze and compare treatment outcomes for different types of VF defects. METHODS: A retrospective chart review. RESULTS: Seven patients with diplopia and VF defects were identified during the study. Four had bitemporal hemianopia, one had homonymous hemianopia, and two had a constricted central VF...
January 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29017677/artery-of-percheron-infarct-ararity-not-to-be-missed
#11
Farheen Niazi, Sameen Bin Naeem
Artery of Percheron (AOP) is a rare vascular variant of posterior cerebral circulation and it supplies blood to the bilateral paramedian thalami and the rostral midbrain. Artery of Percheron infarct requires a comprehensive clinical and radiological examination. It can be easily overlooked due to normal CTfindings and wide range of differential diagnosis. Classic triad of presentation is altered mental status, memory impairment and the vertical gaze palsy. We report a case of a 66-year female who had sudden onset of severe vertigo, diplopia and ataxia...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28993094/characterization-of-diplopia-in-non-demented-patients-with-parkinson-s-disease
#12
Katharina A Schindlbeck, Shideh Schönfeld, Wanda Naumann, David J Friedrich, André Maier, Charlotte Rewitzer, Fabian Klostermann, Frank Marzinzik
INTRODUCTION: Although diplopia is considered a frequent symptom of Parkinson's disease (PD), little is known about its clinical manifestation, associated mechanisms and treatment. Here we characterized binocular diplopia in non-demented PD patients in an interdisciplinary setting. METHODS: PD patients were prospectively screened for diplopia, visual hallucinations, problems with spatial perception, contrast sensitivity, presence of blurred vision, and history of ophthalmological comorbidities via interview...
September 29, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28991341/repair-of-irregularly-irregular-astigmatism-by-transepithelial-phototherapeutic-keratectomy
#13
Stefano Guglielmetti, Amy Kirton, Dan Z Reinstein, Glenn I Carp, Timothy J Archer
PURPOSE: To evaluate the outcome of transepithelial phototherapeutic keratectomy (PTK) in the management of irregularly irregular astigmatism. METHODS: This was a case series of two patients who underwent transepithelial PTK for irregularly irregular astigmatism. In the first case, the patient complained of diplopia due to corneal scarring caused by a metallic foreign body injury. The topography demonstrated irregularly irregular astigmatism with significant asymmetry in the inferotemporal to superonasal axis...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28990829/diplopia-after-cataract-extraction
#14
Marc A Bouffard, Dean M Cestari
Diplopia after cataract extraction is an unexpected outcome for the patient and often a source of confusion for the physician, owing to its relative infrequency. This article reviews the pertinent literature on the subject. Mechanisms include anesthetic myotoxicity, surgical trauma, optical aberrations, cortical disorders in patients with congenital strabismus, and the unmasking of previously unnoticed ocular misalignment. As the population continues to age and cataract extraction is performed in increasing volume, familiarity with this uncommon but important outcome may help to clarify and effectively treat post-cataract-extraction diplopia...
October 9, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28990793/leiomyosarcoma-of-the-infratemporal-fossa-with-perineurial-spread-along-the-right-mandibular-nerve-a-case-report
#15
Frank J Barbiero, Anita J Huttner, Joachim M Baehring, Benjamin L Judson
Leiomyosarcomas are malignant tumors displaying strong smooth muscle differentiation [ 1 ]. They can often develop within the GI tract and myometrium, but are particularly rare in the head and neck [ 2 , 3 ]. Perineurial spread of head and neck cancer is observed in patients with neoplasms of the skin (squamous cell carcinoma, melanoma) or skin appendages (adenoid cystic carcinoma) [ 4-6 ]. We report the case of a woman who presented with diplopia and headaches. MRI showed an infratemporal mass lesion and faint enhancement tracking along the mandibular nerve into the wall of the right cavernous sinus...
October 9, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28987313/pneumocephalus-and-sixth-nerve-palsy-after-epidural-steroid-injection-case-report-and-review-of-the-literature
#16
Wendy F Li, Kyle Kovacs, Adeniyi A Fisayo
BACKGROUND: Pneumocephalus has been described as an unintended outcome after epidural injections. However, oculomotor palsy from pneumocephalus after epidural injection is very rare. CASE REPORT: We report a case of pneumocephalus-induced sixth nerve palsies and diplopia in an 87-year-old woman after epidural steroid injection. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Pneumocephalus-induced oculomotor palsy is a rare complication after epidural injection, a commonly performed medical procedure...
October 5, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28984806/petrous-apex-cholesterol-granulomas-outcomes-complications-and-hearing-results-from-surgical-and-wait-and-scan-management
#17
Golda Grinblat, Ashish Vashishth, Francesco Galetti, Antonio Caruso, Mario Sanna
OBJECTIVE: 1. To analyze the surgical outcomes in the management of petrous apex cholesterol granulomas (PACG) with a brief literature review.2. To evaluate the importance of wait-and-scan management option. STUDY DESIGN: Retrospective review. SETTING: Quaternary referral center for otology and skull base surgery. SUBJECTS AND METHODS: Charts of 55 patients with at least 12 months of follow-up were analyzed for demographic, clinical, audiometric, and radiological features...
October 4, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28983121/indications-for-repositioning-of-blow-out-fractures-of-the-orbital-floor-based-on-new-objective-criteria-tissue-protrusion-volumometry
#18
Daniel Kovar, Zdenek Voldrich, Pavel Voska, Jan Lestak, Jaromir Astl
BACKGROUND AND AIM: The otolaryngologist often meets with fractures of the orbital floor. The most serious complication is diplopia, arising as a result of herniation of the orbital contents, with or without fixation of the inferior rectus muscle. The aim of our work was to create a mathematical model to calculate the volume of prolapsed soft tissue of the orbit in blow-out fractures, as a factor in deciding on the need for surgical treatment. PATIENTS AND METHODS: In a retrospective study (2007-2013), we evaluated 80 patients with blow-out fractures, divided into two equal groups: 40 conservatively treated and 40 surgically treated patients...
August 31, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28979624/-central-neurocytomas-clinical-and-radiopathological-correlations-about-12-cases
#19
Fayçal Abbad, Souad Sellami, Fe Hazmiri, Najat El Idriss Ganouni, Said Ait Benali, Mouna Khouchani, Hanane Rais
Central neurocytomas are defined as neoplasms composed of round, uniform cells, with neural immunophenotypic profile and low proliferation index. They account for 0.5% of intracranial tumors. They usually occur near the foramen of Monro and can cause obstructive hydrocephaly. We conducted a retrospective data collection from records of 12 patients with central neurocytomas in the Anatomopathological Laboratory at the Mohammed VI University Hospital, Marrakech, between January 2006 and June 2015. This study aimed to report and describe the radiopathological features of this rare histologic type...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28976415/amniotic-membrane-grafts-to-reduce-pterygium-recurrence
#20
Ronald Rosen
PURPOSE: To demonstrate the long-term outcome of pterygium surgery with adjunctive amniotic membrane transplantation (AMT) and intraoperative mitomycin C (MMC) in a large case series. METHODS: Medical records were retrieved for this noncomparative retrospective study of all patients who had pterygium excision with adjunctive AMT and intraoperative MMC, from October 2010 to June 2016 with at least 6 months of follow-up. RESULTS: There were a total of 556 eyes of 535 patients (291 males and 244 females) with average age of 51...
October 2, 2017: Cornea
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