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https://www.readbyqxmd.com/read/29755270/histiocytic-lesions-of-the-orbit-a-study-of-9-cases
#1
A Kaan Gündüz, Emine Temel
Purpose: To describe the clinical presentation, treatment, and outcome of patients with histiocytic lesions of the orbit. Methods: Retrospective study of 9 patients treated and followed up between October 2001 and January 2018. Results: Eight patients in our series were males and one patient was female. The mean age at presentation was 16.8 years (range, 1 to 42 years). All patients had unilateral disease. The most common presenting complaint was upper eyelid swelling in 8 of 9...
January 2018: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29726794/ectopic-rhabdoid-meningioma-of-the-orbit-in-a-child-case-report-and-review-of-the-literature
#2
Yağmur Seda Yeşiltaş, Kaan Gündüz, Aylin Okçu Heper, Esra Erden
In August 2016, an 11-year-old boy presented to the authors' institution with a right orbital tumor that was located superotemporally (superolaterally) and adherent to the sclera. The patient's past medical history revealed that he had undergone 2 previous craniotomies elsewhere in June 2008 and July 2010 for a superomedially located orbital lesion that had been histopathologically diagnosed as a neurothekeoma. After the second craniotomy, the patient underwent adjuvant intensity modulated radiotherapy (IMRT) to the right medial orbit...
May 4, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29705096/trajectory-guided-biopsy-of-orbital-tumor-technology-principal-considerations-and-clinical-implementation
#3
Majeed Rana, Henrik Holtmann, Julian Lommen, Madiha Rana, Alexander Zeller, Norbert Kübler, Karsten Hufendiek, Elvis Hermann, Nils-Claudius Gellrich, Christoph Sproll
Intraorbital space-occupying lesions always pose a challenge, both in terms of definite surgical removal as well as preoperative sampling for histopathological examination. Despite the use of modern high-resolution imaging techniques, the dignity of orbital lesions can often not be determined with sufficient certainty preoperatively. As the amount and complexity of treatment possibilities continue to increase, detailed diagnostics in advance of treatment choice are essential. Histological classification of orbital lesions can still be considered the gold standard for reliable diagnoses, leading to appropriate treatment...
March 31, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29703666/combining-midfacial-degloving-lefort-i-osteotomy-and-inferiorly-extended-lateral-orbitotomy-kr%C3%A3-nlein-for-removal-of-an-orbital-cavernous-haemangioma-a-new-approach
#4
M Schwaiger, J Wallner, W Zemann, M Feichtinger
Orbital tumours, located in the medial extraconal and intraconal compartment of the orbit, represent a challenge, with regard to surgical exposure. In the present paper removal of a cavernous haemangioma, located in the medial intraconal compartment was accomplished by combining lateral orbitotomy, midfacial degloving and LeFort-I osteotomy. Resection of the tumour could be performed under direct vision. Surgical exposure and removal of the lesion were obtained, without causing damage to surrounding tissues...
April 24, 2018: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29565728/optic-nerve-sheath-fenestration-a-revised-lateral-approach-for-nerve-access
#5
Nathan W Blessing, David T Tse
Idiopathic intracranial hypertension (IIH), also known as pseudotumor cerebri, describes a disease of poorly understood pathophysiology with a specific set of signs and symptoms including potentially irreversible and blinding visual loss. Optic nerve sheath fenestration (ONSF) is a well-described surgical treatment for patients with IIH and progressive visual loss despite maximally tolerated medical therapy. A number of optic nerve access procedures have been described including medial transconjunctival, superomedial lid crease, and lateral orbitotomy with and without bone takedown...
March 22, 2018: Orbit
https://www.readbyqxmd.com/read/29538190/low-grade-malignant-fibrous-histiocytoma-originating-from-the-medial-rectus-muscle
#6
Jianhua Yan
PURPOSE: Fibrous histiocytomas (FHs) involving the orbit are uncommon. To our knowledge, here the authors report the first patient with an orbital low-grade malignant FH originating from the medial rectus muscle. METHODS: A clinical report relating clinical features as well as imaging and histopathologic findings is presented. RESULTS: A 26-year-old female presented with a left eye proptosis that had been present for 4 months. A small left exotropia was observed and ocular motility evaluation revealed a -3 adduction and -1 abduction of the left eye...
March 13, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29503949/cystic-mucosa-associated-lymphoid-tissue-lymphoma-of-lacrimal-gland-associated-with-vision-loss-a-case-report
#7
Jacqueline Mupas-Uy, Yoshiyuki Kitaguchi, Yasuhiro Takahashi, Emiko Takahashi, Hirohiko Kakizaki
Purpose: To report an atypical case of cystic extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) of lacrimal gland associated with vision loss. Observations: An 89-year-old woman was presented with a rapidly progressing proptosis, lagophthalmos, and vision loss. Endophthalmitis was also present. Computed tomography scan images showed a hyperdense mass with hypodense cystic areas occupying the superolateral orbit, which displaced the globe antero-inferiorly with optic nerve compression and stretching...
April 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29469678/delayed-diagnosis-of-an-intraorbital-wooden-foreign-body
#8
Sadık Etka Bayramoğlu, Nihat Sayın, Mehmet Erdogan, Dilbade Yıldız Ekinci, Nail Uzunlulu, Zuhal Bayramoglu
A 35-year-old male patient was presented with pain on his right upper eyelid. A piece of wood injured his orbital and supraorbital regions while working at a furniture factory 10 days prior to our hospital admission. It was learned that the patient was discharged following the primary would closure procedure. Subsequent to the craniofacial computed tomography, primary wound closure was performed in the emergency room of previous hospital. In our clinic, a skin suturing on the nasal side of the right eyebrow was inspected and a foreign body (FB) was palpated on the superonasal contiguity of the patients' right globe...
February 22, 2018: Orbit
https://www.readbyqxmd.com/read/29464144/restrictive-strabismus-following-frontotemporal-orbitozygomatic-craniotomy
#9
Oluwatobi O Idowu, Evan Kalin-Hajdu, F Lawson Grumbine, Robert C Kersten, Michael McDermott, M Reza Vagefi
The frontotempotal-orbitozygomatic craniotomy (FTOZ) is a standard approach for large sphenoid wing meningiomas (SWMs). Nevertheless, resection of these tumors is not without ophthalmologic risks. This series presents two patients with acute postoperative restrictive strabismus following tumor resection and orbital wall reconstruction. Forced duction testing and postoperative imaging revealed impingement of the lateral rectus muscle caused by an alloplastic implant and/or residual bone, prompting immediate orbitotomy and restoration of normal extraocular muscle function...
December 11, 2017: Curēus
https://www.readbyqxmd.com/read/29442536/a-new-surgical-technique-for-excision-of-orbital-cavernous-hemangioma-a-15-year-experience
#10
Abbas Bagheri, Reza Jafari, Hosein Salour, Maryam Aletaha, Shahin Yazdani, Sepehr Baghi
PURPOSE: To present a new surgical technique for excision of orbital cavernous hemangiomas (CHs). METHODS: This retrospective case series study included patients with orbital CH who were operated from 2001 to 2016 at our referral center. Epidemiologic data, symptoms, signs, and images were reviewed from patients' files with at least one year of follow-up. Surgical results and complications were documented. We used the "index finger dissection" technique without grasping the tumor for release of adhesions and its removal...
February 14, 2018: Orbit
https://www.readbyqxmd.com/read/29423458/posterior-ciliary-artery-occlusion
#11
Sohan Singh Hayreh
Objective: To compare the severity of ischemic damage following posterior ciliary artery (PCA) occlusion in old, atherosclerotic, hypertensive monkeys to that in young monkeys. Design: Experimental study. Subjects: Seven eyes of normal, healthy rhesus monkeys and 8 of old, atherosclerotic, hypertensive monkeys. Methods: By lateral orbitotomy, all PCAs were cut behind the eyeball in both groups of animals. The fundus and the optic disc were evaluated by repeated ophthalmoscopy, color fundus photography and fluorescein fundus angiography, before and immediately after cutting the PCAs and serially thereafter during the follow-up period...
February 2018: Ophthalmology Retina
https://www.readbyqxmd.com/read/29404259/tuberculum-meningioma-orbitopterional-approach
#12
Alexander Yang, Mohammed Aref, A Samy Youssef
This is a case of an extensive tuberculum sella meningioma involving the circle of Willis down to the basilar artery that presented with bilateral visual loss worse on the right than left side. A one-piece right orbitopterional approach along the worse eye was used to gain access to the three cranial fossae. The orbitotomy facilitates access to the midline structures and contralateral base of the tumor with minimal brain retraction. Tumor resection is initiated by first identifying the tumor capsule, followed by piecemeal debulking via ultrasonic aspiration...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29300518/silicone-oil-migration-into-the-orbit
#13
Sana Ali Bautista, Edward J Wladis, Martha Farber, Naomi S Falk, Paul O Phelps
PURPOSE: To report a case in of intravitreal silicone oil migration into the inferior orbit. Silicone oil tamponade is commonly used in retinal detachment repair and extrusion into the orbital tissues is very rare. METHODS: A 70-year-old male with a remote history of repair of a right ruptured globe and retinal detachment surgery presented with progressive right lower eyelid edema. There was a known history of intravitreal silicone oil instillation and removal. An elective right inferior orbitotomy with excisional biopsy was performed...
January 4, 2018: Orbit
https://www.readbyqxmd.com/read/29283151/unusual-intraconal-localization-of-orbital-giant-cell-angiofibroma
#14
Meryem Altin Ekin, Seyda Karadeniz Ugurlu, Fulya Cakalagaoglu
Giant cell angiofibroma (GCA) is a recently reported rare soft-tissue tumor that can develop in various sites including orbit. Orbital GCAs were mainly located in the eyelid or extraconal regions such as lacrimal gland and conjunctiva. We report an atypical case of a GCA arising in the intraconal area of the orbit in a 65-year-old male patient. The tumor was excised in total by lateral orbitotomy. Histological and immunohistochemical features were consistent with the diagnosis of GCA. No recurrence was observed during the follow-up of over 2 years...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29260072/orbital-pseudo-abscess-in-a-patient-with-spontaneous-subluxation-of-globe-a-case-report
#15
Hari Mylvaganam, Todd Goodglick
Purpose: We describe this case and review the literature, to allow this to be a cautionary tale in the interpretation of fluid collections in the setting of spontaneous globe subluxations (GS). Observations: A 58 year old female, with a past medical history of globe subluxation, was diagnosed radiographically with an orbital abscess, and managed with an orbitotomy. However, no abscess was identified operatively and subsequent imaging showed only extravasation of serous fluid...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29067504/multimaterial-3d-printing-preoperative-planning-for-frontoethmoidal-meningoencephalocele-surgery
#16
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
#17
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
#18
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
#19
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
#20
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
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