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Orbital floor

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https://www.readbyqxmd.com/read/28805958/large-orbital-defect-reconstruction-in-the-setting-of-globe-sparing-maxillectomy-the-titanium-hammock-and-layered-fibula-technique
#1
Samuel J Trosman, Timothy M Haffey, Rafael A Couto, Michael A Fritz
INTRODUCTION: The purpose of our study was to describe a novel technique for reconstruction of orbital defects after maxillectomy using a non-anatomic titanium mesh suspension of orbital contents for both support and volume correction. This construct is then articulated with a layered fibula osteocutaneous free flap that restores orbital rim, zygoma, and maxillary alveolus. We herein present our application of this technique, including refinements over time and long-term outcomes. METHODS: A retrospective review was performed on 12 patients who underwent reconstruction of Brown class III orbitopalatomaxillary defects with extensive orbital involvement (at minimum complete orbital floor and rim absent) with titanium mesh sling and a layered fibula free flap...
August 14, 2017: Microsurgery
https://www.readbyqxmd.com/read/28803736/an-aggressive-and-fatal-craniofacial-group-a-streptococcus-infection-resulting-from-a-minimally-displaced-orbital-floor-fracture
#2
R M Uhrich, M Sherban, C Valdez
While sharp, penetrating trauma is often associated with group A Streptococcus (GAS) infections and subsequent necrotizing fasciitis (NF) and streptococcal toxic shock syndrome (STSS), there are scant reports in the oral and maxillofacial surgery literature regarding blunt, non-penetrating trauma in association with these conditions. With a clinical course that initially appears relatively benign following blunt trauma, NF can progress swiftly through the fascial planes and may quickly become life-threatening if the oral and maxillofacial surgeon fails to recognize some of the critical pathognomonic signs...
August 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28797015/pediatric-orbital-blowout-fractures
#3
Stella Y Chung, Paul D Langer
PURPOSE OF REVIEW: The current study reviews the recent literature on pediatric orbital blowout fractures and provides guidelines on their management. RECENT FINDINGS: The most common problem among patients requiring surgical revision of a previously repaired orbital floor fracture is an improperly placed orbital floor implant, usually erroneously placed under the posterior bony ledge. Although the transconjunctival incision can be combined with a lateral canthotomy and cantholysis, excellent surgical exposure can be obtained without the need for these latter relaxing maneuvers...
September 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28791189/the-youngest-reported-and-successfully-treated-patient-with-a-dermoid-cyst-of-the-parotid-gland-a-rare-pediatric-case
#4
Marcel Fabian Glaas, Jörg Schipper, Nelofar Kajasi, Angelika Albrecht
Dermoid cysts (DCs) are rare benign, epithelial-lined lesions. Up to 7% of them are found in the head and neck region and 80% of those predominantly occur in the orbit, in the nose, and in the floor of the mouth. The average age of presentation is around the age of six. Dermoid cysts located in the parotid gland have only been published in 19 cases so far. Interestingly, the mean age of occurrence in the parotid gland was much higher (31 years). We report on a four-year-old girl being the youngest patient who had ever been diagnosed with this disease...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28761280/recurrent-keratocystic-odontogenic-tumor-of-right-maxillary-sinus-involving-the-right-infraorbital-rim
#5
Karthikeyan Maruthamuthu, G Vasupradha, Janardhanam Dineshshankar, Abishek Rajaram Balaji
Keratocystic odontogenic tumor (KCOT) is a benign odontogenic tumor with an aggressive behavior and high recurrence rate. The most common site of predilection is the posterior mandible. In contrast, KCOTs occurring in the maxillary region are relatively rare. However, the maxillary involvement poses a greater and increased threat, due to proximity to vital structures such as maxillary sinus, orbital floor, and infratemporal fossa. This report presents such a case of KCOT involving the maxillary sinus eroding the floor of the orbit and provides an account of the factors that need to be considered during management...
January 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28751950/orbital-compartment-syndrome-despite-significant-traumatic-expansion-of-the-orbital-cavity
#6
Deepak Gupta, Bijan Beigi
Periorbital injury can present with various permutations of bone trauma, soft-tissue edema, and hematomas that might involve proptosis and restricted motility. We report a case of a 32-year-old patient who sustained a traumatic orbital compartment syndrome simultaneously with a large, significantly displaced, orbital-floor blow-out fracture. Clinical signs consistent with both conditions were elicited. The initial management was as for orbital compartment syndrome. The clinical diagnosis was confirmed with computed tomographic imaging...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28751949/an-alternative-route-for-entrapped-inferior-orbital-nerve-in-orbital-floor-fracture
#7
Anantheswar Y N Rao, Joyce Jesudas
Orbital floor fractures pose a grave threat for injury to the infraorbital nerve, resulting in the patient suffering from a disturbing paraesthesia. It is challenging for the operating surgeon to release and secure the entrapped nerve with reconstruction of the orbital floor. We present an interesting case of orbital floor fracture with entrapped infraorbital nerve, wherein we have decompressed the nerve and provided it, a new course.
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28751945/injured-anterior-superior-alveolar-nerve-endoscopically-resected-within-maxillary-sinus
#8
Amir H Dorafshar, A Lee Dellon, Eric Lee Wan, Sashank Reddy, Victor W Wong
Posttraumatic facial pain is due to an injured nerve, most often a branch of the trigeminal nerve. While surgical approaches to injuries of the supraorbital, supratrochlear, infraorbital, and inferior alveolar nerves have been reported, an injury to the anterior superior alveolar nerve (ASAN) has not been reported. An algorithm is proposed for the diagnosis of injury to the ASAN versus the infraorbital nerve itself. A case is reported in which pain relief was achieved by dividing the ASAN within the maxillary sinus, leaving the proximal end exposed within the sinus at the level of the orbital floor...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28747264/free-flap-surgical-correction-of-facial-deformity-after-anteromedial-maxillectomy
#9
Shunji Sarukawa, Hideaki Kamochi, Tadahide Noguchi, Ataru Sunaga, Hirokazu Uda, Yoshiyuki Mori, Hiroshi Nishino, Kotaro Yoshimura
Anteromedial maxillectomy is typically performed in conjunction with low-dose radiotherapy and intraarterial chemotherapy. In doing so, the extent of surgical defects is reduced. However, nasal deviation and oral incompetence may ensue, due to cicatricial contracture of wounds, and may be distressing to these patients. Herein, we report a series of eight free perforator flap procedures (anterolateral thigh [ALT] flap, 6; thoracodorsal artery perforator [TAP] flap, 2) used to correct such deformities. The TAP flap was combined with scapular tip [ST] osseous flap in patients with added zygomatic prominence defects...
July 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28743694/impact-of-surgical-timing-of-postoperative-ocular-motility-in-orbital-blowout-fractures
#10
Yukito Yamanaka, Akihide Watanabe, Chie Sotozono, Shigeru Kinoshita
PURPOSE: To investigate the surgical timing postinjury in regard to ocular motility in patients with orbital-floor blowout fractures. METHODS: This study involved 197 eyes (92 right eyes and 105 left eyes) of 197 patients (154 males and 43 females, mean age: 29.0 years, range: 7-85 years) with pure orbital blowout fractures. All patients underwent surgical repair within 30 days postinjury and were followed up for 3 months or more postoperative (mean follow-up period: 8...
July 25, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729769/recurrence-and-cancerization-of-ameloblastoma-multivariate-analysis-of-87-recurrent-craniofacial-ameloblastoma-to-assess-risk-factors-associated-with-early-recurrence-and-secondary-ameloblastic-carcinoma
#11
Rong Yang, Zheqi Liu, Sandhya Gokavarapu, Canbang Peng, Tong Ji, Wei Cao
OBJECTIVE: The recurrence and progression of ameloblastoma are unpredictable. Therefore, we examined the influence of clinical factors on recurrence time and analyzed the clinical factors associated with early recurrence and cancerization. We then developed a staging system to predict early recurrence and cancerization. METHODS: All of the primary craniofacial ameloblastoma patients treated in Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine were recorded...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28713744/access-osteotomy-in-the-maxillofacial-skeleton
#12
REVIEW
K Kamalpathey, Maj Gen N K Sahoo, Col P K Chattopadhyay, Maj Yuvraj Issar
Surgical accesses for the facial skeleton are based on the concept of modular osteotomies. Various techniques and combination of osteotomies facilitate access to the most inaccessible tumors of craniomaxillofacial region. Most appropriate surgical access is determined by considering size, location, extension of the tumor, and experience of the surgical team. These are primarily used for tumors in the nasopharynx or the skull base. The aim of this paper is to review surgical accesses that aid in removal of inaccessible tumors of craniomaxillofacial region with series of cases operated in the Department of Oral and Maxillofacial Surgery, Armed Forces Medical College, Pune, India, between July 2008 and June 2010...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28704114/orbital-floor-fracture-with-entrapment-imaging-and-clinical-correlations-in-45-cases
#13
Nora Silverman, Jordan Spindle, Sunny X Tang, Andrew Wu, Bryan K Hong, John W Shore, Sara Wester, Flora Levin, Michael Connor, Benjamin Burt, Tanuj Nakra, Todd Shepler, Eric Hink, Tarek El-Sawy, Roman Shinder
Orbital floor fractures (OFF) with entrapment require prompt clinical and radiographic recognition for timely surgical correction. Correct CT radiographic interpretation of entrapped fractures can be subtle and thus missed. We reviewed the clinical, radiographic and intraoperative findings of 45 cases of entrapped OFF to correlate pre- and intraoperative findings with radiography. Retrospective review and statistical analysis of 45 patients with OFF using the chi squared and Kruskal-Wallis tests. Main outcome measures included patient demographics, clinical features, radiologic interpretation, intraoperative findings, and treatment outcomes...
July 13, 2017: Orbit
https://www.readbyqxmd.com/read/28685074/use-of-the-bioactive-resorbable-plate-system-for-zygoma-and-zygomatic-arch-replacement-and-fixation-with-modified-crockett-s-method-for-maxillectomy-a-technical-note
#14
Shintaro Sukegawa, Takahiro Kanno, Akane Shibata, Kenichi Matsumoto, Yuka Sukegawa-Takahashi, Kyousuke Sakaida, Yoshihiko Furuki
As a surgical approach targeting the pterygopalatine fossa following maxillary cancer due to tumor invasion, Crockett's method is conventional and useful. However, if the tumor is confined to the area between the maxilla and pterygopalatine fossa, it is not necessary to include the zygomatico-orbital in the access osteotomy, and the orbital floor may be preserved. Depending on the range of tumor invasion, the current study reports a more minimally invasive, modified Crockett's surgery that may be considered, which includes resection with modified osteotomy lines and repositioning with fixation of the zygoma and zygomatic arch following maxillary cancer ablation...
July 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28678820/effect-of-reduced-z-axis-scan-coverage-on-diagnostic-performance-and-radiation-dose-of-neck-computed-tomography-in-patients-with-suspected-cervical-abscess
#15
Jakob Weiss, Michael Maurer, Dominik Ketelsen, Mike Notohamiprodjo, Dominik Zinsser, Julian L Wichmann, Konstantin Nikolaou, Fabian Bamberg, Ahmed E Othman
PURPOSE: To evaluate the effect of reduced z-axis scan coverage on diagnostic performance and radiation dose of neck CT in patients with suspected cervical abscess. METHODS: Fifty-one patients with suspected cervical abscess were included and underwent contrast-enhanced neck CT on a 2nd or 3rd generation dual-source CT system. Image acquisition ranged from the aortic arch to the upper roof of the frontal sinuses (CTstd). Subsequently, series with reduced z-axis coverage (CTred) were reconstructed starting at the aortic arch up to the orbital floor...
2017: PloS One
https://www.readbyqxmd.com/read/28668482/new-and-cost-effective-way-of-retracting-orbital-contents-during-repair-of-the-orbital-floor
#16
N Bhatti, S Ali, S Holmes
No abstract text is available yet for this article.
June 28, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642192/applications-of-3d-orbital-computer-assisted-surgery-cas
#17
P Scolozzi
INTRODUCTION: The purpose of the present report is to describe the indications for use of 3D orbital computer-assisted surgery (CAS). PATIENTS AND METHODS: We analyzed the clinical and radiological data of all patients with orbital deformities treated using intra-operative navigation and CAD/CAM techniques at the Hôpitaux Universitaires de Genève, Switzerland, between 2009 and 2016. We recorded age and gender, orbital deformity, technical and surgical procedure and postoperative complications...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28612406/previously-undescribed-palpebral-branch-from-the-infraorbital-canal-application-to-surgery-of-the-eyelid-and-treatment-of-orbital-floor-fractures
#18
Joe Iwanaga, Koichi Watanabe, Rod J Oskouian, R Shane Tubbs
The sensory innervation of the inferior eyelid is mainly derived from the inferior palpebral branch (IPb) of the infraorbital nerve (ION). This study aimed to investigate another, to our knowledge, previously unknown branch, and elucidate its location and distribution. Twelve sides from seven fresh frozen cadaveric Caucasian heads were used in this study. The specimens were derived from two male and four female adult cadavers age. The diameter of the IPb of the ION (D1) and branch arising from the upper wall of the infraorbital canal (D2), and distance between the branching points of this branch and the anterior border of the orbit floor (L1) was measured...
June 13, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28603580/in-situ-splitting-of-a-rib-bone-graft-for-reconstruction-of-orbital-floor-and-medial-wall
#19
Tetsuji Uemura, Tetsu Yanai, Masato Yasuta, Yoshimi Harada, Aya Morikawa, Hidetaka Watanabe, Masato Kurokawa
In situ splitting of rib bone graft was conducted in 22 patients for the repair of orbital fracture with no other complicating fractures. A bone graft was harvested from the sixth or seventh rib in the right side. The repair of the orbital floor and medial wall was successful in all the cases. Ten patients had bone grafting to the orbital floor, eight had it done onto medial wall, and 4 onto both floor and wall after reduction. The mean length of in situ rib bone graft was 40.9 mm (range, 20-70 mm), the mean width of these was 14...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28599123/intraoperative-imaging-changes-management-in-orbital-fracture-repair
#20
Vedant Borad, Martin S Lacey, David D Hamlar, Harley S Dresner, Girijesh K Yadava, Warren Schubert
PURPOSE: Intraoperative imaging is gaining widespread use in the management of facial fracture repair. The aim of this study was to determine whether intraoperative imaging changes the management of orbital fracture repair. MATERIALS AND METHODS: A retrospective case series was performed of all cases of orbital fracture repair from 2008 to 2015 in which the intraoperative O-arm was used at Regions Hospital (St Paul, MN), a level I trauma center. The primary outcome variable was a change in management, ranging from orbital plate repositioning to proceeding with orbital floor exploration...
May 15, 2017: Journal of Oral and Maxillofacial Surgery
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