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Orbital surgery

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https://www.readbyqxmd.com/read/29906812/congenital-arteriovenous-malformation-of-the-scalp-involving-the-orbit
#1
Alberto Feletti, Stavros Dimitriadis, Stefano Vallone, Giacomo Pavesi
BACKGROUND:  Arteriovenous malformations (AVMs) of the scalp are rare and infrequently encountered by the neurosurgeon. CASE DESCRIPTION:  We report a unique case of a 42-year-old patient who presented with a progressive worsening of visual acuity in the right eye (lower quadrantanopia) and palpebral ptosis. Physical examination revealed a right exophthalmos and a right frontoparietal scalp soft swelling when the patient was in the supine position. Neurologic work-up showed a scalp AVM extending into the orbit and connected to an intraorbital cavernous angioma...
June 15, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29905906/localization-of-orbit-in-patients-with-maxillary-sinus-hypoplasia-a-radiological-study
#2
Kursat Murat Ozcan, Omer Hizli, Hakan Ulusoy, Zafer Unsal Coskun, Guven Yildirim
PURPOSE: We aimed to investigate the medial and inferior localization of orbit in patients with maxillary sinus hypoplasia using paranasal computerized tomography. METHODS: We included 76 patients who had a hypoplastic maxillary sinus at least on one side, and 76 patients with normal maxillary sinuses (control group). To assess the localization of orbit, we measured the distances from middle meatal antrostomy point to medial border of orbital medial wall and to the lower border of orbital floor in all patients...
June 15, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29905641/surgical-treatment-of-diplopia-in-graves-orbitopathy-patients
#3
Anja Eckstein, Joachim Esser, Michael Oeverhaus, Peerooz Saeed, Hinke Marijke Jellema
PURPOSE: To review the authors' current understanding of motility dysfunction in patients with thyroid eye disease and to summarize appropriate evaluation and available management options. METHODS: Data were retrieved from a systematic search of the literature. RESULTS: Diplopia is one of the most disabling symptoms for Graves orbitopathy patients. It occurs in moderate-to-severe Graves orbitopathy stages and does not respond well to available anti-inflammatory treatment...
June 13, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29905640/imaging-investigation-of-thyroid-eye-disease
#4
Loizos C Siakallis, Jimmy M Uddin, Katherine A Miszkiel
INTRODUCTION: Thyroid eye disease (TED), is a term referring to the extrathyroidal manifestation of Grave's disease, a disorder which is currently the most common cause of hyperthyroidism and is characterised by underlying autoimmunity.The pathogenic course of the disease can be broadly classified into two stages, an early inflammatory and a late fibrotic stage. These stages are reflected in clinical severity and activity classifications, such as Clinical Activity Score and Class 0: No signs or symptoms, 1: Only signs, no symptoms (e...
June 13, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29904317/rapid-and-complete-vision-loss-due-to-idiopathic-orbital-inflammation-with-partial-recovery-following-orbital-decompression
#5
Ivan Vrcek, Evan Wotipka, Marie Somogyi, Tanuj Nakra
We present a case of a 36-year-old man who developed rapid onset of proptosis and orbital compartment syndrome resulting in no light perception vision. He was treated with surgery and subsequent rituximab therapy with some recovery of vision and motility. Though the range of presentations of idiopathic orbital inflammation is broad, such rapid evolution of proptosis with complete vision loss is very uncommon.
July 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29902606/oarm%C3%A2-in-endonasal-endoscopic-cranial-base-surgery-technical-note-on-initial-feasibility
#6
Liverana Lauretti, Quintino Giorgio D'Alessandris, Mario Rigante, Luca Ricciardi, Pier Paolo Mattogno, Alessandro Olivi
BACKGROUND: In transsphenoidal endoscopic cranial base surgery, a precise navigational support may be crucial. This is particularly evident in case of tumors extending to the parasellar region or in recurrent tumors whereas the normal anatomy has been altered by previous surgery/radiotherapy. METHODS: Previous unsatisfactory experiences with a variety of navigation techniques in this type of surgery, encouraged us to perform an endoscopic endonasal approach with an OArm® (Medtronic, Inc...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29894459/conjunctival-melanoma-metastasis-to-the-contralateral-orbit
#7
Fanglin He, Yuxin Wang, Renbin Jia
BACKGROUND: Malignant melanoma predominantly occurs in whites, and is potentially fatal. Distant metastases often occur in lung, liver, brain, and could occur without prior regional disease. Conjunctival melanoma metastasis to contralateral orbit has never been reported. PATIENT PRESENTATION: A 60-year-old man who underwent a left primary conjunctival neoplasm resection 11 months ago presented for the evaluation of a conjunctival dark-colored mass with a bulging left lower eyelid that directly invaded the orbits bilaterally...
June 11, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29884317/incidence-of-diplopia-after-division-and-reattachment-of-the-inferior-oblique-muscle-during-orbital-fracture-repair
#8
Ramzi M Alameddine, Jeffrey Z Tsao, Audrey C Ko, Bradford W Lee, Don O Kikkawa, Bobby S Korn
BACKGROUND: Wide surgical access to the orbital floor and medial wall is often impaired by the course of the inferior oblique muscle. There is no current consensus on the optimal surgical approach for exposure, and techniques involving inferior oblique division are generally shunned for concern of possible complications. OBJECTIVE: To determine the safety and outcomes of inferior oblique division and reattachment for surgical access to the orbital floor and medial wall during orbital fracture repair...
May 16, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29879083/orbital-expansion-in-cranial-vault-after-minimally-invasive-extradural-transorbital-decompression-for-thyroid-orbitopathy
#9
Sathyadeepak Ramesh, Alexander Nobori, Yi Wang, Daniel Rootman, Robert Alan Goldberg
PURPOSE: To test the hypothesis that the orbit expands in the cranial vault after wide dural exposure after minimally invasive extradural transorbital decompression for thyroid eye disease. METHODS: A cross-sectional cohort study of 36 patients (60 orbits). Preoperative and postoperative (6 months) orbital CT following extradural transorbital decompression was analyzed. Primary outcome measure was the percentage area of the cranial vault occupied by orbital and brain tissue in a predefined window before and after surgery...
June 6, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29874675/ct-imaging-findings-after-craniosynostosis-reconstructive-surgery
#10
Daniel Thomas Ginat, Daniel Lam, Andrew Scott Kuhn, Russell Reid
Several surgical options are available for treating the different types of craniosynostosis, including fronto-orbital advancement and remodeling, total or subtotal cranial vault remodeling, barrel stave osteotomy with cranial remodeling, endoscopic suturectomy, monobloc advancement and cranioplasty, and revision cranioplasty. High-resolution, low-dose CT with 3D reconstructed images and volumetric analysis can be useful for evaluating the craniofacial skeleton following surgery. The various types of craniosynostosis surgery and corresponding imaging findings are reviewed in this article...
June 6, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29869525/organized-hematoma-of-the-sphenoid-sinus-causing-acute-visual-loss
#11
Young Hoon Yoon, Sung Ha Kim, Yong Min Kim, Ki-Sang Rha
Sinonasal organized hematoma, which has locally aggressive characteristics, is a non-neoplastic disease. We report a rare case of sphenoid sinus organized hematoma causing acute visual loss. A 35-year-old male presented with progressive headaches, retro-orbital pain, and frequent epistaxis. He had a medical history of aplastic anemia and of taking warfarin for a valvular heart disease. On image studies, an expansive soft tissue density lesion with bony destruction was found in his left sphenoid sinus. While waiting for elective surgery, acute visual loss occurred...
June 1, 2018: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/29863537/inadvertent-intraocular-surgery-in-children-with-unsuspected-retinoblastoma-a-study-of-14-cases
#12
Swathi Kaliki, Shikha Taneja, Vijay A R Palkonda
PURPOSE: To study the clinical presentation and treatment outcome of patients who underwent inadvertent intraocular surgery before the diagnosis of retinoblastoma. DESIGN: Retrospective study of 14 patients who had undergone an inadvertent intraocular surgery before the diagnosis of retinoblastoma. RESULTS: The mean age at presentation to the ocular oncology clinic was 69 months. The most common initial misdiagnosis was endophthalmitis (n = 4)...
May 8, 2018: Retina
https://www.readbyqxmd.com/read/29859679/computed-tomography-based-analysis-of-the-lamina-papyracea-variations-and-morphology-of-the-orbit-concerning-endoscopic-surgical-approaches
#13
Gülay Açar, Mustafa Büyükmumcu, İbrahim Güler
INTRODUCTION: Radiologic evaluation is mandatory to assess the type of endoscopic approach concerning sinonasal pathology and reconstruction of fractured defects before any treatment modalities are instituted related to medial wall of the orbit. OBJECTIVE: The goal was to provide improved understanding of the lamina papyracea variations and the relationship with the orbital morphometry. METHODS: This retrospective study was performed using computed tomography scans of 200 orbits and results were compared with respect to age, sex, laterality and LP variations...
May 18, 2018: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29858184/delayed-surgical-treatment-of-orbital-trapdoor-fracture-in-paediatric-patients
#14
Yun Su, Qin Shen, Xiaoping Bi, Ming Lin, Xianqun Fan
BACKGROUND: Trapdoor fracture is a special type of orbital blowout fracture. Although early surgery is recommended, there still remain some patients delayed by various reasons. In this study, we analysed the clinical characteristics of delayed paediatric patients, especially those with different levels of ocular motility restriction before surgery. METHODS: Thirty patients (3 to 14 years old) who underwent delayed surgery for trapdoor fractures between January 2008 and September 2016 were enrolled...
June 1, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29848526/maxillary-sinus-schwannoma
#15
Bader Mohammed Alim, Mohammed Jomah, Majid Al-Thobaiti
Schwannoma (neurilemmoma) is a benign tumour that arises from the Schwann cells which cover the nerve sheaths of the peripheral or autonomic nervous system especially the sympathetic system. Reported cases of schwannoma arising from the sinonasal tract are rare. We report a case of a 28-year-old man who presented to otolaryngology-head and neck surgery clinic with left cheek swelling and left-sided nasal obstruction for 1-year period. Endoscopic examination and high-resolution CT scan revealed a homogenous expansile mass occupying the left maxillary antrum extending to the left orbit and left ethmoidal air cells...
May 30, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29846420/undifferentiated-pleomorphic-sarcoma-of-the-orbital-region-a-case-report
#16
Natasha Ferreira Santos da Cruz, Carolina Ando Matsuno, Sérgio Ferreira Santos da Cruz, Aline Pimentel de Miranda, José Vital Filho
Undifferentiated pleomorphic sarcoma (UPS) is an extremely rare tumor that occurs in the head and neck region. Here, we report a unique case of a primary undifferentiated pleomorphic sarcoma in the orbital region. A 35-year-old woman presented with a progressive proptosis and periocular edema for 1 year. She had no previous history of surgery, skin malignancy, or radiation. Imaging tests showed an extraconal mass, not involving the muscles. The tumor was surgically removed and adjuvant radiotherapy was required after histological examination, which showed an undifferentiated pleomorphic sarcoma of the orbit...
April 2018: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29809266/spontaneous-reattachment-of-the-medial-rectus-after-free-tenotomy
#17
Daniel L Adams, Brittany C Rapone, John R Economides, Jonathan C Horton
PURPOSE: To assess the outcome of free tenotomy of the medial rectus muscle in post-natal monkeys. METHODS: The medial rectus muscle was disinserted in both eyes of 6 macaques at age 4 weeks to induce an alternating exotropia. After the impact on the visual cortex and superior colliculus was investigated, the animals were examined post-mortem to assess the anatomy of the medial rectus muscles. RESULTS: After tenotomy, the monkeys eventually recovered partial adduction...
May 29, 2018: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29799353/incomplete-reossification-after-craniosynostosis-surgery-incidence-and-analysis-of-risk-factors-a-clinical-radiological-assessment-study
#18
José Luis Thenier-Villa, Pablo Sanromán-Álvarez, Pablo Miranda-Lloret, María Estela Plaza Ramírez
OBJECTIVE One of the principles of the surgical treatment of craniosynostosis includes the release of fused bone plates to prevent recurrence. Such bone defects require a reossification process after surgery to prevent a cosmetic problem or brain vulnerability to damage. The objective of this study is to describe and analyze the radiological and clinical evolution of bone defects after craniosynostosis. METHODS From January 2005 to May 2016, 248 infants underwent surgical correction of craniosynostosis at HUiP La Fe Valencia; the authors analyzed data from 216 of these cases that met the inclusion criteria for this study...
May 25, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29798378/-transnasal-endoscopic-surgery-of-communicating-neoplasm-outside-cerebral-dura-mater-and-orbital-fasciae
#19
C L Xu, J P Liang, Q T Lu, S J Zhang
Objective: This paper is intend to observe the feasibility of surgical approach with which communicating neoplasm outside cerebral dura mater and orbital fasciae was removed by transnasal endoscopic surgery. Method: Nine patients suffered from communicating neoplasm in the area of naso-orbital-cranio complex were treated with transnasal endoscopic surgery. The size of skull base bone defect was from 1.25 cm×1.13 cm to 3.25 cm×2.69 cm. No eye enucleation was done. No reconstructions of skull base and medial wall of orbital cavity were done...
August 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29798358/-imaging-navigated-endoscopic-surgery-in-acute-pediatric-sinusitis-with-orbital-subperiosteal-abscess-two-cases-report
#20
J C Sha, C Zhang, C D Meng, D D Zhu, L F An, J Zheng, G H Jin, J Q Lang
No abstract text is available yet for this article.
August 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
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