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https://www.readbyqxmd.com/read/29220117/anterior-surface-breakdown-and-implant-extrusion-following-secondary-alloplastic-orbital-implantation-surgery
#1
Shadi Axmann, Dion Paridaens
BACKGROUND: Secondary orbital implantation surgery can be complex due to scarring of the orbital tissues and can be complicated by implant exposure and extrusion. PURPOSE: To evaluate the incidence and risk factors of implant exposure and extrusion following secondary alloplastic orbital implantation surgery in anophthalmic patients. METHODS: Retrospective analysis of a consecutive series of patients who underwent secondary placement of an alloplastic orbital implant by one surgeon between 2001 and 2016 in the Rotterdam Eye Hospital...
December 8, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29217903/regression-of-ophthalmopathic-exophthalmos-in-graves-disease-after-total-thyroidectomy-a-prospective-study-of-a-surgical-series
#2
P R K Bhargav, M Sabaretnam, S Chandra Kumar, S Zwalitha, N Vimala Devi
Autoimmune ophthalmopathy is one of the salient clinical features associated with Graves' disease. Exophthalmos is one of the commonest manifestations of Graves' associated ophthalmopathy. It is reported to regress after thyroidectomy favourably compared to radioiodine or antithyroid drug therapy. In this context, we present our experience based on a surgical series of Graves' disease. This is a prospective study of 15 patients of Graves' disease associated with ophthalmopathic exophthalmos. Preoperative and monthly postoperative evaluation of exophthalmos was done with Hertel's exophthalmometer, apart from documenting lid, extra-ocular muscle and orbital involvement...
December 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29212484/clinical-features-of-visual-disturbances-secondary-to-isolated-sphenoid-sinus-inflammatory-diseases
#3
Lanlan Chen, Libin Jiang, Bentao Yang, Prem S Subramanian
BACKGROUND: Visual disturbances associated with isolated sphenoid sinus inflammatory diseases (ISSIDs) are easily misdiagnosed due to the nonspecific symptoms and undetectable anatomical location. The main objective of this retrospective case series is to investigate the clinical features of visual disturbances secondary to ISSIDs. METHODS: Clinical data of 23 patients with unilateral or bilateral visual disturbances secondary to ISSIDs from 2004 to 2014 with new symptoms were collected...
December 6, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29207845/two-episodes-of-trigeminocardiac-reflex-during-a-pan-facial-fracture-surgery-a-rare-phenomenon-case-report-and-review-of-literature
#4
Abhishek Bhattacharjee, Prashanth Rajaram, Abhishek Khatua, K B Rudresh, Pallavi B Krishnamurthy
Trigeminocardiac reflex is a sudden physiologic response due to mechanical manipulation of any of the branches of trigeminal nerve. Trigeminocardiac reflex occurs due to pressure effect or stretching of trigeminal nerve which causes fall in blood pressure and decrease in heart rate. In this reflex arc, the trigeminal nerve serves as afferent pathway and vagus nerve, which is cardio inhibitory in nature, serves as efferent pathway. Two episodes of trigeminocardiac reflex during maxillofacial trauma surgery is not a common phenomenon...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29203441/therapeutic-targeting-of-oncogenic-transcription-factors-by-natural-products-in-eye-cancer
#5
REVIEW
Michelle G Zhang, John Y Lee, Ryan A Gallo, Wensi Tao, David Tse, Ravi Doddapaneni, Daniel Pelaez
Carcinogenesis has a multifactorial etiology, and the underlying molecular pathogenesis is still not entirely understood, especially for eye cancers. Primary malignant intraocular neoplasms are relatively rare, but delayed detection and inappropriate management contribute to poor outcomes. Conventional treatment, such as orbital exenteration, chemotherapy, or radiotherapy, alone results in high mortality for many of these malignancies. Recent sequential multimodal therapy with a combination of high-dose chemotherapy, followed by appropriate surgery, radiotherapy, and additional adjuvant chemotherapy has helped dramatically improve management...
December 1, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29201577/orbital-blowout-fracture-with-complete-dislocation-of-the-globe-into-the-maxillary-sinus
#6
Joy Mh Wang, Fabian N Fries, Philipp Hendrix, Titus Brinker, Marios Loukas, R Shane Tubbs
This rare case report describes the diagnosis and treatment of an isolated left-sided orbital floor fracture with a complete dislocation of the globe into the maxillary sinus and briefly discusses the indications of surgery and recovery for orbital floor fractures in general. Complete herniation of the globe through an orbital blow-out fracture is uncommon. However, the current case illustrates that such an occurrence should be in the differential diagnosis and should be considered, especially following high speed/impact injuries involving a foreign object...
September 29, 2017: Curēus
https://www.readbyqxmd.com/read/29201576/anatomical-study-of-the-zygomaticotemporal-branch-inside-the-orbit
#7
Joe Iwanaga, Charlotte Wilson, Koichi Watanabe, Rod J Oskouian, R Shane Tubbs
The location of the opening of the zygomaticotemporal branch (ZTb) of the zygomatic nerve inside the orbit (ZTFIN) has significant surgical implications. This study was conducted to locate the ZTFIN and investigate the variations of the ZTb inside the orbit. A total of 20 sides from 10 fresh frozen cadaveric Caucasian heads were used in this study. The vertical distance between the inferior margin of the orbit and ZTFIN (V-ZTFIN), the horizontal distance between the lateral margin of the orbit and ZTFIN (H-ZTFIN), and the diameter of the ZTFIN (D-ZTFIN) were measured...
September 29, 2017: Curēus
https://www.readbyqxmd.com/read/29197363/metastatic-retinoblastoma-of-the-parotid-and-submandibular-glands-a-rare-case-report
#8
Ping Wang, Yang-Jun Li, Shao-Bo Zhang, Qi-Lin Cheng, Qiong Zhang, Li-Sha He
BACKGROUND: Retinoblastoma is the most common intraocular malignancy occurring in children. It can metastasize to the regional lymph nodes, central nervous system and distant organs usually the bones and bone marrow and very rarely to the soft tissue. Here, we report a case of unilateral retinoblastoma in a 4-year-old girl accompanied by a large metastasis of the parotid and submandibular glands that developed about 6 months previously and gradually increased in size 5 months after enucleation of the left eye...
December 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29191536/the-enigma-of-orbital-compartment-syndrome-after-lumbar-spine-surgery-in-the-prone-position-case-report-and-literature-review
#9
Jorge Luiz Amorim Correa, Marcus André Acioly
Perioperative visual loss (POVL) after spinal surgery is a devastating complication for both the patient and the surgical team. Two major causes are known: ischemic optic neuropathy (ION) and central retinal artery occlusion (CRAO). The traditional understanding of CRAO has been consistently related to the occurrence of periocular trauma and signs of increased intraorbital pressure in addition to visual loss. Such orbital signs are, however, not a feature of any common POVL syndrome. A 55-year-old woman underwent prolonged lumbar decompression and fusion for spinal stenosis under general anesthesia in the prone position...
November 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29185606/the-implications-of-different-lateral-wall-thicknesses-on-surgical-access-to-the-maxillary-sinus
#10
Ee Lian Lim, Wei Cheong Ngeow, Daniel Lim
The objective of this study was to measure the topographic thickness of the lateral wall of the maxillary sinus in selected Asian populations. Measurements were made on the lateral walls of maxillary sinuses recorded using CBCT in a convenient sample of patients attending an Asian teaching hospital. The points of measurement were the intersections between the axes along the apices of the canine, first premolar, and second premolar and along the mesiobuccal and distobuccal apices of the first and second molars and horizontal planes 10 mm, 20 mm, 30 mm and 40 mm beneath the orbital floor...
November 27, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/29174553/primary-aesthetic-correction-of-nasal-anomaly-with-costal-graft-in-treating-orbital-hypertelorism
#11
Dong Li, Haoli Mao, Zheyuan Yu, Liang Xu, Jie Yuan, Min Wei
Orbital hypertelorism is a common congenital craniofacial anomaly in Asians. As Tessier pointed out, the correction of hypertelorism is effectively the correction of the nasal deformity, which is characterized by a broad, flat nose accompanying an increased interorbital distance and a lack of nasal projection. OBJECTIVES: To measure the changes in the orbital and nasal parameters after Tessier box osteotomy and primary aesthetic rhinoplasty, performed concurrently with otogenous costochondral graft...
October 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29174550/three-dimensional-changes-of-scleral-show-after-surgical-treatment-of-endocrine-orbitopathy
#12
Matthias Krause, Daniel Kruber, Heike Hümpfner-Hierl, Ina Sterker, Thomas Hierl
PURPOSE: Surgery in endocrine orbitopathy should address exophthalmos and adjunct stigmata such as increased lid aperture and scleral show. Secondary to decompression, rehabilitative surgical treatment such as blepharoplasty is routinely used to achieve this goal. Until now, however, there has been no investigation to measure the effect of decompression surgery on scleral show and lid aperture 3-dimensionally. MATERIALS AND METHODS: Ocular surface area (OSA) and lid aperture of 34 patients (67 orbits) were measured pre and post decompression surgery in a retrospective investigation using 3-dimensional (3D) stereophotogrammetry...
October 31, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29166425/anatomy-of-the-sphenopalatine-artery-and-its-implications-for-transnasal-neurosurgery
#13
M Eordogh, A Grimm, I Gawish, L Patonay, R Reisch, H R Briner, G Baksa
BACKGROUND: The knowledge of sinonasal vasculature is inevitable in transnasal neurosurgery. We performed an anatomical study on the sphenopalatine artery from the perspective of skull base procedures. METHODOLOGY: To analyse the anatomical landmarks of the sphenopalatine artery, arterial skull corrosion casts (26 head halves) underwent endoscopic transnasal phantom surgery. Furthermore, we performed microsurgical dissection on formaldehyde-fixated cadavers with arterial perfusion (14 head halves) as well as studied Cone Beam CT-scans of anonymised patients and cadavers (115 head sides)...
November 22, 2017: Rhinology
https://www.readbyqxmd.com/read/29143871/head-and-neck-rhabdomyosarcoma-in-children-a-20-year-retrospective-study-at-a-tertiary-referral-center
#14
Sophia Marie Häußler, Carmen Stromberger, Heidi Olze, Georg Seifert, Steffen Knopke, Arne Böttcher
OBJECTIVE: The purpose of this study was to assess rhabdomyosarcomas (RMS) of the head and neck in pediatric patients with regard to clinical presentation, treatment, and survival. METHODS: Data were retrospectively obtained from patient charts with regard to RMS of the head and neck diagnosed between 1996 and 2016 at a tertiary referral center. Clinical course, treatment modalities, and side effects were analyzed. Survival analysis was carried out using the Kaplan-Meier method...
November 16, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29142801/idiopathic-acquired-dacryocystocele-presenting-only-with-epiphora-a-very-rare-case-report
#15
Muhammad Jahanzaib Anwar, Saad A Choudhry, Muhammad Aadil, Ahmer Asif, Atif Ameer
A 42-years-old male presented with left medial canthal swelling, accompanied with only mild epiphora. There was no history of dacryocystitis, mid-facial trauma, surgery, or bloody tears. On examination, there was an immobile, subcutaneous, non-inflammatory mass below the medial canthal tendon. Lacrimal irrigation showed blockade at the nasolacrimal duct. A computerized axial tomography (CAT) scan revealed a non-enhancing, low-density, cystic lesion at the inferomedial margin of the orbit. There were no signs of bony erosion, consistent with idiopathic acquired dacryocystocele...
September 4, 2017: Curēus
https://www.readbyqxmd.com/read/29140386/retrospective-study-of-survival-of-extraoral-endosseous-craniofacial-implants-in-head-and-neck-surgery-patients
#16
Brent J Woods, Arun Chandu
PURPOSE: To determine the survival rate of implants placed in different craniofacial locations and factors affecting survival. MATERIALS AND METHODS: This study retrospectively reviewed a consecutive series of patients treated at the Royal Melbourne Hospital who received craniofacial implants for an array of benign and malignant conditions. Implant survival per site and cumulative survival were determined. Surgical and implant variables were assessed using the Kaplan-Meier and Cox Proportional Hazards Models...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29131914/pediatric-orbital-primitive-neuroectodermal-tumors
#17
Tayyab Afghani, Hassan Mansoor, Syed Naeem Raza Hamdani
PURPOSE: To present the clinical, radiological, histopathological, immunohistochemical features and the follow-up of orbital primitive neuroectodermal tumors (PNETs) in pediatric patients along with a review of the literature. METHODS: A retrospective analysis of all diagnosed cases of orbital PNET was done. Patients' ophthalmic findings, imaging, immunohistochemistry, metastatic work-up, treatment, globe salvation, and survival were documented and a mini literature review of orbital PNET was performed...
November 11, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29131858/the-composition-and-initial-evaluation-of-a-grimace-scale-in-ferrets-after-surgical-implantation-of-a-telemetry-probe
#18
Marsinah L Reijgwart, Nico J Schoemaker, Riccardo Pascuzzo, Matthew C Leach, Melanie Stodel, Loes de Nies, Coenraad F M Hendriksen, Miriam van der Meer, Claudia M Vinke, Yvonne R A van Zeeland
Reliable recognition of pain is difficult in ferrets as many currently available parameters are non-specific, inconsistent and/or impractical. Grimace scales have successfully been applied to assess pain in different animal species and might also be applicable to ferrets. To compose a Ferret Grimace Scale (FGS), we studied the facial musculature of ferrets and compared lateral photographs of 19 ferret faces at six time points before and after intraperitoneal telemetry probe implantation. We identified the Action Units (AUs) orbital tightening, nose bulging, cheek bulging, ear changes and whisker retraction as potential indicators of pain in ferrets...
2017: PloS One
https://www.readbyqxmd.com/read/29127744/-endocrine-orbitopathy-the-present-view-of-a-clinical-endocrinologist
#19
Jan Jiskra
Graves orbitopathy (GO) occurs in 25-50 % cases of Graves disease. Only in 5 % of patients the eye threatening GO is present. About 5-10 % and 10 % cases are present in euthyroid and hypothyroid patients respectively. All patients with GO should be assessed for activity (clinical activity score - CAS) and severity of the disease. Basic preconditions of the treatment are maintenance of euthyroidism, an effort to stop smoking, and referring of patients with moderate to severe and sight threatening GO to specialized thyroid eye centers...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29124002/three-dimensional-reconstruction-of-late-post-traumatic-orbital-wall-defects-by-customized-implants-using-cad-cam-3d-stereolithographic-models-a-case-report
#20
Vignesh U, Divya Mehrotra, Dichen, Vaibhav Anand, Debraj Howlader
Aim: Purpose of this case report is to highlight the precision and accuracy obtained with patient specific implants for orbital reconstruction designed on the basis of volumetric analysis of orbital computed tomographic scan (CT) scans using virtual planning, computerised designing and manufacturing and stereolithographic models to correct late post-traumatic orbital deformities such as enophthalmos and diplopia. Material and methods: This case report describes a patient who visited our outpatient clinic for correction of enophthalmos and persistent diplopia in upward gaze, seven months post trauma...
September 2017: Journal of Oral Biology and Craniofacial Research
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