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https://www.readbyqxmd.com/read/29067504/multimaterial-3d-printing-preoperative-planning-for-frontoethmoidal-meningoencephalocele-surgery
#1
Giselle Coelho, Thailane Marie Feitosa Chaves, Ademil Franco Goes, Emilio C Del Massa, Osmar Moraes, Maurício Yoshida
INTRODUCTION: Surgical correction of frontoethmoidal meningoencephalocele, although rare, is still challenging to neurosurgeons and plastic reconstructive surgeons. It is fundamental to establish reliable and safe surgical techniques. The twenty-first century has brought great advances in medical technology, and the 3D models can mimic the correct tridimensional anatomical relation of a tissue organ or body part. They allow both tactile and spatial understanding of the lesion and organ involved...
October 24, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29039996/giant-pleomorphic-adenoma-of-the-lacrimal-gland-a-surgical-challenge
#2
Md Shahid Alam, Varsha Backiavathy, Bipasha Mukherjee
Pleomorphic adenoma is the most common epithelial neoplasm of the lacrimal gland. The tumor typically presents with a superotemporal mass with inferonasal displacement of the globe. They generally measure less than 3 cm in size and can be removed comfortably via a lateral orbitotomy approach. Pleomorphic adenoma left unattended for a long period grows up to humongous proportions and poses a surgical challenge both for its complete removal and globe salvage. We report a rare case of pleomoprphic adenoma of the lacrimal gland in an adult male, who did not seek any medical advice for 20 years allowing the tumor to expand enormously in all dimensions, with complete obscuration of the globe...
October 17, 2017: Orbit
https://www.readbyqxmd.com/read/29034651/primary-orbital-hydatid-cyst-a-case-report
#3
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/28943925/genomic-and-immunohistochemical-characterisation-of-a-lacrimal-gland-oncocytoma-and-review-of-literature
#4
Lauge Hjorth Mikkelsen, Simon Andreasen, Linea Cecilie Melchior, Marta Persson, Jeppe Dyrberg Andersen, Vania Pereira, Peter Bjerre Toft, Niels Morling, Göran Stenman, Steffen Heegaard
The aim of the present study was to report the genetic and immunohistochemical profile of a rare case of lacrimal gland oncocytoma. A 20-year-old male underwent magnetic resonance imaging (MRI) due to viral encephalitis. Notably, the MRI revealed a multicystic tumor in the left lacrimal gland. A lateral orbitotomy was performed and the tumor was completely excised. Four months following surgery, the patient was free of symptoms. Histopathologically, the tumor was composed of large, eosinophilic and polyhedral cells with small round nuclei...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28905110/-indications-and-technique-for-transconjunctival-optic-nerve-sheath-fenestration-video-article
#5
REVIEW
W A Lagrèze, N Gross, J Biermann, L Joachimsen
BACKGROUND: Placement of a ventricular shunt is the primary surgical procedure for lowering intracranial pressure in pseudotumor cerebri syndrome; however, if ophthalmological symptoms prevail over neurological symptoms or if there are no neurological symptoms at all, optic nerve sheath fenestration may be a valuable option for relief of pressure on the retrobulbar optic nerve when papilledema caused by pseudotumor cerebri syndrome threatens vision despite previous conservative measures...
October 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28884074/exophthalmos-associated-to-orbital-zygomatic-mucocele-and-complex-maxillary-malformation-in-a-puppy
#6
Alessandro Cirla, Marco Rondena, Giovanna Bertolini, Giovanni Barsotti
A case of exophthalmos due to zygomatic mucocele in a puppy with ipsilateral segmental maxillary atrophy is reported. A 7-month-old, mixed breed, male dog suffered the sudden-onset of unilateral painful exophthalmos and a gradual swelling of the right temporal region. A compressing, right retrobulbar mass was observed by ultrasound. Computed tomography revealed a large multiloculated cyst-like lesion of the right zygomatic gland projecting into the orbital space, thus displacing the eyeball. The ipsilateral molar part of the maxillary bone was underdeveloped, besides showing crowded, abnormal, multiple, unerupted maxillary molar teeth in the caudal maxillary region...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28879904/a-neurosurgical-perspective-to-approaches-to-the-orbit-a-cadaveric-study
#7
S Balaji Pai, M N Nagarjun
Neurosurgeons are getting increasingly involved in surgery for orbital tumours. The various approaches to the orbit can be challenging. The authors have demonstrated on cadavers the various approaches to the orbit which are required to be mastered by the neurosurgeon. The superior approaches which include the transcranial, supraorbital and the hybrid approaches are the most commonly utilized surgical approaches by the neurosurgeon for excision of orbital pathologies. The lateral orbitotomy is an elegant approach for excision of the tumours lateral to the optic Nerve and lacrimal gland tumours...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28868275/recurrent-orbital-solitary-fibrous-tumor-in-a-12-year-old
#8
Alexander F Vu, Rao V Chundury, Alexander D Blandford, Julian D Perry
PURPOSE: To report the clinical features and pathology of orbital solitary fibrous tumors and present a case of a recurrence in a 12-year-old boy. METHODS: Case Report. RESULTS: A 12-year-old boy presented to our institution with double vision in upgaze for 6 months. Examination revealed 3 mm of left-sided proptosis, hypoglobus, and -3 impairment of supraduction. Magnetic resonance imaging of the orbits showed an avidly enhancing mass within the superolateral aspect of the orbit...
July 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/28862259/lateral-canthotomy-orbitotomy-a-rapid-approach-to-the-orbit
#9
S Hamed-Azzam, D H Verity, G E Rose
PurposeThe lateral compartment of the orbit can readily be accessed through a horizontal lateral canthotomy without the need to swing the lid or remove bone. In this paper the technique, accessible orbital territory, and duration of surgery are presented.Patients and methodsRetrospective, non-interventional descriptive case series for patients who underwent a lateral canthotomy to access pathology within the lateral orbit.ResultsA series of 18 patients are included, all presenting with pathology lateral to, or within, the optic nerve...
September 1, 2017: Eye
https://www.readbyqxmd.com/read/28820280/review-of-periorbital-nerve-enlargement-and-biopsy-techniques
#10
Valerie H Chen, Brent R Hayek, Hans E Grossniklaus, Ted H Wojno, H Joon Kim
Periorbital nerve enlargement commonly indicates perineural invasion of malignancy or inflammatory conditions. This study reviews the role of supraorbital and infraorbital nerve biopsies in patients presenting with radiographic enlargement and to elucidate the surgical technique involved. A retrospective chart review (1997-2014) was performed at a single tertiary center. Patients with radiographic confirmation of enlarged supraorbital/infraorbital nerves that underwent biopsy were included. Charts were reviewed for: patient demographics and history, clinical symptoms and findings, radiographic findings, surgical method, and treatment...
October 2017: Orbit
https://www.readbyqxmd.com/read/28812911/isolated-orbital-mucoceles-in-the-absence-of-obstructive-sinus-disease
#11
M A Prendes, I Perszyk, D Horkey, J Sokol, P Timoney
Orbital surgeons are quite familiar with the diagnosis and management of paranasal sinus mucoceles due their frequent involvement of the orbit. These benign masses form and expand following sinus outflow obstruction secondary to various causes including trauma, inflammation and malignancy, amongst others. The authors present two cases of isolated orbital mucoceles without associated sinus outflow obstruction. There were notably no connections between the paranasal sinuses and the lesions. The mucoceles were diagnosed following orbitotomies and excisional biopsies with confirmatory histopathology...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28769595/cavernous-hemangioma-of-the-orbit-an-unusual-acute-presentation
#12
Sophia Louisraj, Thendral Ponnudurai, Dominic Rodriguez, Philip A Thomas, Christadoss Arul Nelson Jesudasan
We report an unusual presentation of an orbital cavernous hemangioma in a 26-year-old female, who noted sudden redness and swelling of the left eye (LE) on waking up. At presentation, upper eyelid edema with periorbital ecchymosis and subconjunctival hemorrhage were noted in the LE. Although there was transient symptomatic relief with topical medications, blurring of vision developed in the LE. When seen 10 days later, the patient's LE showed axial proptosis. Magnetic resonance imaging revealed an intraconal soft tissue mass in the superomedial quadrant of the left orbit...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28664009/orbital-abducens-nerve-schwannoma-a-case-report-and-review-of-the-literature
#13
Yu Iida, Katsumi Sakata, Natsuki Kobayashi, Junya Tatezuki, Hiroshi Manaka, Takashi Kawasaki
Intraorbital schwannoma is a rare tumor which accounts for about 1-2% of all neoplasms of the orbit. Orbital schwannomas most commonly arise from the sensory branches of the trigeminal nerve. On the other hand, intraorbital abducens nerve schwannomas are extremely rare, with a search of the English literature identifying only four cases of intraorbital abducens nerve schwannoma. This is the 5th reported case of an orbital schwannoma arising from the terminal branch of the abducens nerve to the lateral rectus muscle...
October 2016: NMC Case Rep J
https://www.readbyqxmd.com/read/28626414/an-unusual-differential-diagnosis-of-orbital-cavernous-hemangioma-ancient-schwannoma
#14
Sara Filipa Teixeira Ribeiro, Tatiana Queirós, José M Amorim, Ana M Ferreira, Marco Sales-Sanz
Schwannomas are rare lesions of the orbit that can be confused with cavernous hemangioma on imaging studies. We report the case of an 84-year-old woman with a 9-year history of a tumoral lesion in the inferolateral left orbit. The imaging studies did not reveal specific characteristics, only bone remodeling due to the long evolution of the tumor. The patient underwent complete excision of the tumor by anterior orbitotomy via the inferior conjunctival fornix. The histopathological examination revealed an ancient schwannoma, a variant of schwannoma with uncommon histological features...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28550385/metastatic-breast-carcinoma-to-the-superior-oblique-in-a-male
#15
Yao Wang, Pradeep Mettu, Amanda Maltry, Andrew Harrison, Ali Mokhtarzadeh
We describe a case of breast cancer metastatic to the superior oblique, in a male. The patient was a 66-year-old Caucasian male with a history of stage IIIB rectal adenocarcinoma and stage IIA left breast carcinoma diagnosed 12 years and 5 years prior, respectively, who presented with headaches and intermittent diplopia. He underwent left total mastectomy with sentinel lymph node biopsy 6 years prior, which showed ER/PR+, HER2/neu-, moderately-differentiated, infiltrating ductal carcinoma with 3/14 positive nodes...
December 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/28524145/-orbital-case-of-ocular-dirofilariasis
#16
M B Gushсhina, E V Egorova, N S Yuzhakova, S A Mal'kov
AIM: to report a clinical case of orbital dirofilariasis with attention to peculiarities of disease presentation, diagnostic measures, and treatment results. MATERIAL AND METHODS: A patient with a history of spontaneously subsiding recurrent oedema of the lower eyelid suspicious of parasitic cyst formation. The diagnosis was confirmed preoperatively by orbital ultrasound. Surgical intervention included orbitotomy with microsurgical excision of the parasitic cyst via a percutaneous approach through the lower eyelid skin crease...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28521357/lateral-orbitotomy-approach-for-resection-of-intraosseous-sphenoid-wing-meningioma-3-dimensional-operative-video
#17
Joseph D Chabot, S Tonya Stefko, Juan C Fernandez-Miranda
No abstract text is available yet for this article.
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28514361/-the-complications-of-transethmoidal-decompressive-orbitotomy-associated-with-endocrine-ophthalmopathy
#18
P A Kochetkov, Ya O Grusha, V M Svistushkin, S S Danilov
The objective of the present study was the analysis of the results of transethmoidal decompressive orbitotomy (TEDO) with the resection of the bone matrix of the medial and inferior orbital walls in the patients presenting with endocrine ophthalmopathy (EOP) with the purpose of reduction of the risk of development of this pathological conditions. A total of 51 patient with EOP at the stage of complete remission or pharmacotherapeutic compensation underwent transethmoidal decompressive medial orbitotomy in the ENT Clinic of 1 I...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28416422/-penetrating-air-gun-pellet-into-the-orbital-apex
#19
Rodolfo Belmonte-Caro, Alberto Garcia-Perla-Garcia, Jose Romero-Arce, Pedro Infante-Cossio
A foreign body penetrating into the intraconal orbital compartment poses a surgical challenge because of its deep location behind the globe and near the optic nerve. We present a case of an air gun pellet lodged into the orbital apex, which was removed via superolateral orbitotomy through coronal incision. This additional craniofacial technique is a safe procedure to access the lateral aspect of the intraconal compartment in the unusual event of having to remove an orbital foreign body.
November 2017: Neurocirugía
https://www.readbyqxmd.com/read/28299014/deep-orbital-dermoid-cyst-bulging-into-the-superior-orbital-fissure-clinical-presentation-and-management
#20
Ravinder Kumar, Kapil Vyas, Gagan Jaiswal, Abhishek Bhargava, Jyoti Kundu
PURPOSE: To present a case of deep orbital dermoid cyst with emphasis on clinical presentation, imaging spectrum, differential diagnosis and management. CASE REPORT: A 28-year-old female was referred to our hospital with chief complaint of drooping of right eyelid and progressive headache. Ocular motility, visual acuity and fundus examination were normal. computed tomography (CT) and magnetic resonance imaging (MRI) revealed a well-defined, intraosseous deep orbital dermoid cyst (5...
January 2017: Journal of Ophthalmic & Vision Research
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