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Facial reconstruction

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https://www.readbyqxmd.com/read/29771842/perceived-esthetic-outcomes-of-face-transplantation-a-survey-of-the-general-public
#1
Alessandra E Cabrera, Laura L Kimberly, Rami S Kantar, Elisa K Atamian, Amit K Manjunath, Lauren K Rangel, Michelle W McQuinn, J Rodrigo Diaz-Siso, Eduardo D Rodriguez
Facial transplantation (FT) has attracted the interest of individuals with facial disfigurement as a path to social reintegration. The perception among face transplant recipients and the reconstructive surgery community appears to be that superior functional and esthetic outcomes can be obtained with FT compared to autologous reconstruction (AR). Although lifelong immunosuppression adds well-known risks to FT, its benefits have proven difficult to quantify, especially because of its non-life-saving nature. Evidence that the general public perceives facial allograft recipients as less disfigured than AR patients may dramatically alter the currently accepted risk/benefit ratio of this novel procedure...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771841/integrating-a-profile-of-frontal-face-with-its-mirror-image-for-facial-reconstruction
#2
Paramjit Kaur, Kewal Krishan, Suresh K Sharma, Tanuj Kanchan
INTRODUCTION AND OBJECTIVES: Face recognition plays an important role in the field of biometrics, bioinformatics, and forensic identification. Human faces appear bilaterally symmetric. However, asymmetry is a norm in the human body and careful morphological and metric examination of the human face gives an exact idea of the asymmetry present in the face of an individual. Most of the studies on asymmetry of human face have been carried out with regard to evaluation of expressions in psychology, anthropology, and biometrics...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771838/face-transplantation-an-update-for-the-united-states-trauma-system
#3
Scott J Farber, Rami S Kantar, J Rodrigo Diaz-Siso, Eduardo D Rodriguez
Face transplantation has evolved over the last 12 years into a safe and feasible reconstructive solution, with good aesthetic and functional outcomes for patients with severe facial defects who are not amenable to reconstruction through conventional and autologous approaches. Among patients who underwent face transplantation to date, a significant proportion did so following trauma, mostly ballistic and thermal injuries. It is therefore important for trauma surgeons who deal with these injuries regularly to be familiar with the literature on face transplantation following traumatic injuries...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771835/the-arterialized-facial-artery-musculo-mucosal-island-flap-for-post-oncological-tongue-reconstruction
#4
Alessandro Moro, Gianmarco Saponaro, Piero Doneddu, Daniele Cervelli, Sandro Pelo, Giulio Gasparini, Umberto Garagiola, Giuseppe D'Amato, Mattia Todaro
BACKGROUND: In 1992, Pribaz described the facial artery musculomucosal flap (FAMM), an axial musculomucosal flap based on the facial artery. The FAMM flap, a modification of the nasolabial and buccal mucosal flaps, is widely used in the reconstruction of defects in the oral cavity. Many modifications of this flap have been described in the literature. Here we aimed to explore the use of an arterialized tunnelized FAMM island flap (a-FAMMIF) for the reconstruction tongue defects after tumor resection...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771829/repairing-a-facial-cleft-by-polyether-ether-ketone-implant-combined-with-titanium-mesh
#5
Yuan Deng, Weiwei Tang, Zhengkang Li
The Tessier Number 4 cleft is one of the rarest, most complex craniofacial anomalies that presents difficulties in surgical treatment. In this article, we report a case of simultaneous facial depression, eye displacement, and medial canthus deformity. In this case, the maxillary bony defect was reconstructed using computer-assisted design computer-assisted manufacturing (CAD-CAM) polyether-ether-ketone (PEEK) material, and the orbital floor defect was repaired with AO prefabricated titanium mesh. Additionally, the medial canthus was modified with canthopexy and a single Z-plasty flap...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29767792/how-face-blurring-affects-body-language-processing-of-static-gestures-in-women-and-men
#6
A M Proverbio, L Ornaghi, V Gabaro
The role of facial coding in body language comprehension was investigated by ERP recordings in 31 participants viewing 800 photographs of gestures (iconic, deictic and emblematic), which could be congruent or incongruent with their caption. Facial information was obscured by blurring in half of the stimuli. The task consisted of evaluating picture/caption congruence. Quicker response times were observed in women than in men to congruent stimuli, and a cost for incongruent vs. congruent stimuli was found only in men...
May 14, 2018: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/29765273/scalp-and-forehead-reconstruction
#7
REVIEW
Mofiyinfolu Sokoya, Jared Inman, Yadranko Ducic
Reconstructing the scalp and forehead is a challenging endeavor frequently undertaken by facial plastic and reconstructive surgeons. There are many anatomical factors to be considered in this area, including multiple neurovascular structure present that should be identified and preserved. Hair morphology and physiology should be considered, and trichophytic techniques should be incorporated into incision planning and closure. The reconstructive ladder must be used when considering options in reconstructing scalps and forehead defects...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29765272/approach-to-reconstruction-of-cheek-defects
#8
REVIEW
Berkay Başağaoğlu, Mohin Bhadkamkar, Pierce Hollier, Edward Reece
The cheek is the largest facial unit with a prominent position on the face. Trauma, burns, and the resection of skin cancers constitute common sources of injury, potentially resulting in defects that, through natural healing, produce noticeable scarring. Surgical repair focuses on the reformation of three-dimensional geometries, proper establishment of symmetry, and the minimization of color and texture discrepancies to the surrounding. Defects located in this region may extend to the orbital, nasal, or buccal units and cause unique structural and functional disturbances...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29765271/approach-to-reconstruction-of-nasal-defects
#9
REVIEW
Berkay Başağaoğlu, Kausar Ali, Pierce Hollier, Renata S Maricevich
The nose is the most central and anterior projecting facial feature. Therefore, the presence of a defect is easily noticeable to the untrained eye. Return of the defect to the original form is an achievable end goal of reconstruction, necessitating appropriate reformation of three-dimensional geometry, proper establishment of symmetry, and excellent color and texture match to the adjacent structures. Regarding its physiological importance, disruption of the normal function may cause respiratory obstruction and contribute to patient distress...
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29765267/facial-mohs-reconstruction
#10
James F Thornton
No abstract text is available yet for this article.
May 2018: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29762453/microvascular-replantation-following-facial-dog-bites-in-children-systematic-review-and-management-algorithm
#11
Amanda J Williams, Jeremy M Powers, Jennifer L Rhodes, Andrea L Pozez
BACKGROUND: Pediatric dog bite injuries account for 1% of emergency department visits per year and represent an underrecognized and underreported public health problem. Reconstructive surgery is frequently utilized, and in the most extreme injuries, microvascular replantation may be considered. We sought to systematically review the available literature on microvascular replantation after facial dog bite injuries in children, with particular attention to perioperative morbidity and long-term follow-up...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29762326/temporal-progression-of-craniofacial-dysmorphology-in-unilateral-coronal-synostosis-a-mechanistic-hypothesis
#12
Kirun Baweja, Alexander H Sun, Rajendra Sawh-Martinez, John A Persing
AIM: This study chronicles skull base and face development in nonsyndromic unilateral coronal synostosis (UCS) during infancy, to characterize the mechanistic progression of facial dysmorphology. METHODS: Computed tomography scans from 51 subjects were reviewed (26 UCS, 25 controls) and data were reconstructed. Patients were stratified into 5 age groups. A series of measurements were taken from the reconstructions. RESULTS: All patients had a unilaterally fused coronal suture at the time of analysis...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29761995/-the-progress-of-research-on-three-dimensional-printed-jaw-scaffolds
#13
REVIEW
Shuaishuai Cao, Miao Zhou
Large defects of jaw caused by tumor, trauma and so on in oral and maxillofacial region lead to facial deformity, language and chewing dysfunction, which severely damage the patient's life quality. Three-dimensional printing (3DP) is also named additive manufacturing (AM), which can print materials layer by layer to create three-dimensional objects. The complex shape of jaw defects can be accurately reconstructed using 3DP scaffold combined with image data, computer-aided-design and manufacture. It has specific advantages compared with traditional way of jaw reconstruction and has attracted much attention in the field of jaw tissue engineering recently...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29757731/robust-lstm-autoencoders-for-face-de-occlusion-in-the-wild
#14
Fang Zhao, Jiashi Feng, Jian Zhao, Wenhan Yang, Shuicheng Yan
Face recognition techniques have been developed significantly in recent years. However, recognizing faces with partial occlusion is still challenging for existing face recognizers, which is heavily desired in real-world applications concerning surveillance and security. Although much research effort has been devoted to developing face de-occlusion methods, most of them can only work well under constrained conditions, such as all of faces are from a pre-defined closed set of subjects. In this paper, we propose a robust LSTM-Autoencoders (RLA) model to effectively restore partially occluded faces even in the wild...
February 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29750762/the-functional-anatomy-of-the-superficial-fat-compartments-of-the-face-a-detailed-imaging-study
#15
Thilo L Schenck, Konstantin C Koban, Alexander Schlattau, Konstantin Frank, Jonathan M Sykes, Stefan Targosinski, Katharina Erlbacher, Sebastian Cotofana
BACKGROUND: The superficial (subcutaneous) facial fat compartments contribute to the signs of facial aging, but a comprehensive anatomic description of their location and their functional behavior during the application of soft tissue fillers still remains elusive. METHODS: We investigated 30 fresh frozen cephalic specimens from 13 male and 17 female Caucasian body donors (age: 78.3 ± 14.2 years, body mass index: 23.1 ± 5.3 kg/m). Upright positioned contrast enhanced CT scans and additional MR imaging was performed...
March 15, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29746279/free-style-capillary-perforator-based-island-flaps-for-reconstruction-of-skin-cancer-defects-of-the-face-body-and-extremities
#16
Giuseppe Visconti, Marzia Salgarello
BACKGROUND: The perforator flap concept has revolutionized reconstructive surgery. Recently, the attention has moved toward flaps based on capillary perforators, which have been usually neglected in the past as reliable perforators. The aim of this article is to report a series of freestyle capillary perforator-based island flap (c-PBIF) for reconstruction of skin cancer defects of the face, body, and extremities. PATIENTS AND METHODS: Between September 2015 and July 2017, 20 consecutive patients underwent c-PBIF reconstruction of facial, body, and limb defects after melanoma and nonmelanoma skin cancer excision...
April 30, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29745448/early-development-of-the-human-dentition-revisited
#17
REVIEW
Maria Hovorakova, Herve Lesot, Miroslav Peterka, Renata Peterkova
In this review, classical data on the early steps in human odontogenesis are summarized and updated with specific insights into the development of the upper and lower embryonic jaws to help in understanding some oral pathologies. The initial step of human odontogenesis is classically characterized by two parallel horseshoe-shaped epithelial laminae. These originate from the oral epithelium and an ingrowth into the jaw mesenchyme: the internal dental lamina gives rise to deciduous tooth primordia, while the external vestibular lamina represents the developmental base of the oral vestibule...
May 10, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29742364/surgical-correction-of-metopic-craniosynostosis-a-3-d-photogrammetric-analysis-of-cranial-vault-outcomes
#18
Olivia E Linden, Vanessa M Baratta, Jose A Gonzalez, Margaret E Byrne, Petra M Klinge, Stephen R Sullivan, Helena O Taylor
OBJECTIVE: To evaluate 3-dimensional (3-D) photogrammetry as a tool for assessing the postoperative head shape of patients who had undergone cranial vault remodeling for metopic synostosis. DESIGN: We prospectively analyzed images of patients with metopic craniosynostosis who had undergone anterior cranial vault remodeling and age-matched controls. To ensure standardized facial orientation, each 3-D image was positioned to "best fit" the preoperative face by aligning 6 soft tissue landmarks...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29742139/a-novel-soft-tissue-prediction-methodology-for-orthognathic-surgery-based-on-probabilistic-finite-element-modelling
#19
Paul G M Knoops, Alessandro Borghi, Federica Ruggiero, Giovanni Badiali, Alberto Bianchi, Claudio Marchetti, Naiara Rodriguez-Florez, Richard W F Breakey, Owase Jeelani, David J Dunaway, Silvia Schievano
Repositioning of the maxilla in orthognathic surgery is carried out for functional and aesthetic purposes. Pre-surgical planning tools can predict 3D facial appearance by computing the response of the soft tissue to the changes to the underlying skeleton. The clinical use of commercial prediction software remains controversial, likely due to the deterministic nature of these computational predictions. A novel probabilistic finite element model (FEM) for the prediction of postoperative facial soft tissues is proposed in this paper...
2018: PloS One
https://www.readbyqxmd.com/read/29741741/microsurgical-resection-of-glomus-jugulare-tumors-with-facial-nerve-reconstruction-3-dimensional-operative-video
#20
Duarte N C Cândido, Jean Gonçalves de Oliveira, Luis A B Borba
Paragangliomas are tumors originating from the paraganglionic system (autonomic nervous system), mostly found at the region around the jugular bulb, for which reason they are also termed glomus jugulare tumors (GJT). Although these lesions appear to be histologically benign, clinically they present with great morbidity, especially due to invasion of nearby structures such as the lower cranial nerves. These are challenging tumors, as they need complex approaches and great knowledge of the skull base. We present the case of a 31-year-old woman, operated by the senior author, with a 1-year history of tinnitus, vertigo, and progressive hearing loss, that evolved with facial nerve palsy (House-Brackmann IV) 2 months before surgery...
May 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
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