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Facial reconstruction

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https://www.readbyqxmd.com/read/28434964/reconstruction-of-cranial-vault-defect-with-polyetheretherketone-peek-implants
#1
Pierre Brandicourt, Franck Delanoé, Franck-Emmanuel Roux, Florian Jalbert, David Brauge, Frédéric Lauwers
OBJECT: Reconstruction of a cranial vault defect is a frequent challenge in neurosurgery. Polyetheretherketone (PEEK) is used in many types of prostheses and has been employed for 10 years in our institution (University Hospital of Toulouse - France). The objectives of this study are to describe the benefits and drawbacks of reconstructing the cranial vault defect with a PEEK prosthesis. METHODS: Clinical data of the 37 patients who received a reconstruction with a custom-made PEEK prosthesis from 2007 to 2015 were retrospectively analysed...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28432415/use-of-computer-imaging-in-rhinoplasty-a-survey-of-the-practices-of-facial-plastic-surgeons
#2
Prabhjyot Singh, Steven Pearlman
OBJECTIVE: The objective of this study was to quantify the use of computer imaging by facial plastic surgeons. METHODS: AAFPRS Facial plastic surgeons were surveyed about their use of computer imaging during rhinoplasty consultations. The survey collected information about surgeon demographics, practice settings, practice patterns, and rates of computer imaging (CI) for primary and revision rhinoplasty. For those surgeons who used CI, additional information was also collected, which included who performed the imaging and whether the patient was given the morphed images after the consultation...
April 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28423221/facial-asymmetry-in-head-and-neck-rhabdomyosarcoma-survivors
#3
Reineke A Schoot, Marinka L F Hol, Johannes H M Merks, Michael Suttie, Olga Slater, Marinde van Lennep, Saskia M J Hopman, David Dunaway, Jonathan Syme-Grant, Ludi E Smeele, Koos H Zwinderman, Huib N Caron, Peter Hammond
INTRODUCTION: Radiotherapy is essential for achieving and maintaining local control in head and neck rhabdomyosarcoma (HNRMS) patients. However, radiotherapy may cause outgrowth disturbances of facial bone and soft tissue, resulting in facial asymmetry. The aim of this study was to develop a method to visualize and measure facial asymmetry in HNRMS survivors using three-dimensional (3D) imaging techniques. METHODS: Facial deformity was evaluated in a multidisciplinary clinical assessment of 75 HNRMS survivors, treated with external beam radiotherapy (EBRT, n = 26) or Ablative surgery, MOulage brachytherapy, and REconstruction (AMORE, n = 49)...
April 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28418453/association-of-increasing-nasal-tip-projection-with-lip-position-in-primary-rhinoplasty
#4
Eric W Cerrati, Steven H Dayan
Importance: The effects of rhinoplasty maneuvers on adjacent facial features are an important component in preoperative planning and patient counseling. Tip projection modifications are commonly performed in both cosmetic and reconstructive rhinoplasty. Objective: To evaluate the subsequent change in lip projection that results from increasing nasal tip projection. Design, Setting, and Participants: In this case series, 20 patients underwent primary rhinoplasty with the objective of increasing tip projection during the period from October 1, 2014, to September 25, 2015...
April 13, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28417258/in-vivo-facial-soft-tissue-depths-of-a-modern-adult-population-from-germany
#5
Nicolle Thiemann, Volker Keil, Uwe Roy
Forensic facial reconstruction may be the final option available to draw public attention in cases where the identity of an individual cannot be established by standard identification methods. Two fundamental components of all forensic facial reconstruction techniques are cranial morphology and soft tissue depth databases. The purpose of this study was to extend such databases by providing a complete set of accurate facial soft tissue thickness measurements, acquired from a contemporary adult population from Germany...
April 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28417054/three-dimensional-and-topographic-relationships-between-the-orbital-margins-with-reference-to-assessment-of-eyeball-protrusion
#6
Kang-Jae Shin, Shin-Hyo Lee, Ki-Seok Koh, Wu-Chul Song
This study investigated the topographic relationships among the eyeball and four orbital margins with the aim of identifying the correlation between orbital geometry and eyeball protrusion in Koreans. Three-dimensional (3D) volume rendering of the face was performed using serial computed-tomography images of 141 Koreans, and several landmarks on the bony orbit and the cornea were directly marked on the 3D volumes. The anterior-posterior distances from the apex of the cornea to each orbital margin and between the orbital margins were measured in both eyes...
March 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28409229/sphenoid-dysplasia-in-neurofibromatosis-type-1-a-new-technique-for-repair
#7
Di Rocco Concezio, Samii Amir, Tamburrini Gianpiero, Massimi Luca, Giordano Mario
PURPOSE: Sphenoid bone dysplasia in neurofibromatosis type 1 is characterized by progressive exophthalmos and facial disfiguration secondary to herniation of meningeal and cerebral structures. We describe a technique for reconstruction of the sphenoid defect apt at preventing or correcting the ocular globe dislocation. METHODS: After placement of spinal cerebrospinal fluid drainage to reduce intracranial pressure, the temporal pole is posteriorly dislocated extradurally...
April 13, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28409207/the-precise-repositioning-instrument-for-genioplasty-and-a-three-dimensional-printing-technique-for-treatment-of-complex-facial-asymmetry
#8
Lin Wang, Dan Tian, Xiumei Sun, Yanju Xiao, Li Chen, Guomin Wu
BACKGROUND: Facial asymmetry is very common in maxillofacial deformities. It is difficult to achieve accurate reconstruction. With the help of 3D printing models and surgical templates, the osteotomy line and the amount of bone grinding can be accurate. Also, by means of the precise repositioning instrument, the repositioning of genioplasty can be accurate and quick. In this study, we present a three-dimensional printing technique and the precise repositioning instrument to guide the osteotomy and repositioning, and illustrate their feasibility and validity...
April 13, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28397435/female-and-male-orbit-asymmetry-digital-analysis
#9
Tomasz Lepich, Józefa Dąbek, Małgorzata Witkowska, Edyta Jura-Szołtys, Grzegorz Bajor
BACKGROUND: Standard anthropometric methods applied to measurements of the skull differentials are laden with mistakes stemming from the way the measuring devices are built and from a lack of experience on the part of the researchers. To increase objectivity, digital imaging measurements via computer systems were introduced. OBJECTIVES: The aim of this research was to assess the asymmetry of the male and female orbit with the application of the new graphic methods: raster graphics and vector graphics...
January 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28392030/an-unusual-exit-wound-as-a-result-of-a-shotgun-suicide-to-the-head
#10
S N Kunz
The location of a gunshot entrance wound as well as the wound path trajectory are the main findings that help to determine the position from which a weapon was fired and thus distinguish firearm suicides from homicides and accidents. We present a case of a 28-year old man, who was found dead in his car. Because of an unusual position of the firearm, which was clamped into the steering wheel, and an unclear entrance/exit wound, an autopsy was performed. The deceased showed typical signs of a contact shotgun wound to the head with an entrance wound in the right temporal region and an exit wound in the midface...
March 30, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28391532/outcome-of-a-graduated-minimally-invasive-facial-reanimation-in-patients-with-facial-paralysis
#11
Laura C Holtmann, Anja Eckstein, Kerstin Stähr, Minzhi Xing, Stephan Lang, Stefan Mattheis
Peripheral paralysis of the facial nerve is the most frequent of all cranial nerve disorders. Despite advances in facial surgery, the functional and aesthetic reconstruction of a paralyzed face remains a challenge. Graduated minimally invasive facial reanimation is based on a modular principle. According to the patients' needs, precondition, and expectations, the following modules can be performed: temporalis muscle transposition and facelift, nasal valve suspension, endoscopic brow lift, and eyelid reconstruction...
April 8, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28383408/evaluation-of-palatal-rugae-pattern-in-different-sagittal-skeletal-relationship-adolescent-subjects
#12
Ekrem Oral, S Kutalmiş Buyuk, Huseyin Simsek
The purpose of this study was to evaluate the morphological structure of palatal rugae in Turkish orthodontic subjects with different sagittal skeletal malocclusions. Orthodontic dental casts of 105 patients (Class I [23 females, 12 males]; 35, Class II [18 females, 17 males]; and 35, Class III [14 females, 21 males] 10-22 years old) were analyzed for rugae patterns. Palatal rugae pattern and number, direction of rugae alignment, shape of incisive papilla were analyzed. Modified Thomas and Kotze classification was performed to analyze palatal rugae characteristics...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28370229/more-than-just-the-helix-a-series-of-free-flaps-from-the-ear
#13
Patrik Lassus, Annastiina Husso, Jyrki Vuola, Andrew J Lindford
AIM: We herein present our experience using free flaps harvested from the ear region in facial, nasal and intraoral reconstruction. PATIENTS AND METHODS: Between 2011 and 2016, 19 patients underwent reconstruction using 20 free flaps from the ear region based on the superficial temporal vessels. There were 10 males and 9 females with a mean age of 57 years. Defect aetiology consisted of post-tumour ablation (n = 15), trauma (n = 2) and burn scar (n = 2)...
April 1, 2017: Microsurgery
https://www.readbyqxmd.com/read/28369974/forensic-facial-reconstruction-relationship-between-the-alar-cartilage-and-piriform-aperture
#14
Raíssa Ananda Paim Strapasson, Lara Maria Herrera, Rodolfo Francisco Haltenhoff Melani
During forensic facial reconstruction, facial features may be predicted based on the parameters of the skull. This study evaluated the relationships between alar cartilage and piriform aperture and nose morphology and facial typology. Ninety-six cone beam computed tomography images of Brazilian subjects (49 males and 47 females) were used in this study. OsiriX software was used to perform the following measurements: nasal width, distance between alar base insertion points, lower width of the piriform aperture, and upper width of the piriform aperture...
March 29, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28369014/a-comparative-analysis-of-rhbmp-2-dbm-vs-icbg-for-secondary-alveolar-bone-grafts-in-patients-with-cleft-lip-and-palate-review-of-501-cases
#15
Jeffrey A Hammoudeh, Artur Fahradyan, Daniel D Gould, Fan Liang, Thomas Imahiyerobo, Leo Urbinelli, JoAnna T Nguyen, William Magee, Stephen Yen, Mark M Urata
BACKGROUND: Alveolar cleft reconstruction using iliac crest bone graft(ICBG) is considered standard of care for children with complete cleft lip and palate at the time of mixed dentition. Harvesting bone may result in donor site morbidity, additional operating time and length of hospitalization. Recombinant human bone morphogenetic protein(rhBMP)-2 with a demineralized bone matrix(DBM) was used as an alternative bone source for alveolar cleft reconstruction. We investigate the outcomes of rhBMP-2/DBM versus ICBG for alveolar cleft reconstruction by reviewing postoperative surgical complications and cleft closure...
March 31, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28368820/robust-non-rigid-motion-tracking-and-surface-reconstruction-using-l-0-regularization
#16
Kaiwen Guo, Feng Xu, Yangang Wang, Yebin Liu, Qionghai Dai
We present a new motion tracking technique to robustly reconstruct non-rigid geometries and motions from a single view depth input recorded by a consumer depth sensor. The idea is based on the observation that most non-rigid motions (especially human-related motions) are intrinsically involved in articulate motion subspace. To take this advantage, we propose a novel L0 based motion regularizer with an iterative solver that implicitly constrains local deformations with articulate structures, leading to reduced solution space and physical plausible deformations...
March 28, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28368665/assessment-of-the-cochlear-nerve-to-facial-nerve-size-ratio-using-mr-multiplanar-reconstruction-of-the-internal-auditory-canal-in-patients-presenting-with-acquired-longstanding-hearing-loss
#17
Nagy N N Naguib, Constanze Hey, Mohamed S Shaaban, Amr M Elabd, Heba Hassan, Tatjana Gruber-Rouh, Benjamin Kaltenbach, Marc Harth, Hanns Ackermann, Timo Stoever, Thomas J Vogl, Nour-Eldin A Nour-Eldin
OBJECTIVES: To test using the facial nerve as a reference for assessment of the cochlear nerve size in patients with acquired longstanding-sensorineural-hearing-loss (SNHL) using MRI multiplanar-reconstruction (MPR). METHODS: The study was retrospectively performed on 86 patients. Group 1 (study group, n=53) with bilateral longstanding-SNHL. Group 2 (control group, n=33) without hearing loss. Nerve size was measured by drawing region of interest around the cross-sectional circumference of the nerve in MPR images...
April 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28363665/-extension-of-the-thoracodorsal-artery-perforator-flap-s-pedicle-anatomical-study
#18
M Lenglet, S Dast, L Dessena, C Herlin, B Chaput, E Havet, R Sinna
PURPOSE: In recent years, the indications of latissimus dorsi myocutaneous flap decreased in favor of its version preserving muscle: the thoracodorsal artery perforator flap (TDAP). The intramuscular dissection reduce donor site morbidity but also allows an extension of the pedicle compared to conventional latissimus dorsi flap pedicle. The purpose of this study was to quantify objectively elongation of the pedicle when the perforator is dissected through the muscle. METHOD: Sixteen TDAP flap were dissected in 9 cadavers...
March 28, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28359871/evaluation-of-functional-parameters-in-the-occlusion-of-complete-denture-wearers-before-and-after-prosthetic-treatment
#19
Kuć Joanna, Sierpińska Teresa, Gołębiewska Maria
PURPOSE: The aim of the study was to evaluate functional parameters of the occlusion in complete denture wearers before and after prosthetic treatment. METHODS: The sample used as the basis for the present study consisted of 50 healthy Caucasian patients (35 women and 15 men), aged from 44 to 86 years (mean=69.18±10), with a total deficiency of teeth. All patients received new complete dentures. Each patient underwent lateral radiograph with the presence of complete dentures, both before (initially existing dentures) and after the prosthetic treatment (new restorations)...
March 27, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28358765/introduction-of-the-american-academy-of-facial-plastic-and-reconstructive-surgery-face-to-face-database
#20
Manoj T Abraham, Joseph J Rousso, Shirley Hu, Ryan F Brown, Augustine L Moscatello, J Charles Finn, Neha A Patel, Sameep P Kadakia, Donald Wood-Smith
The American Academy of Facial Plastic and Reconstructive Surgery FACE TO FACE database was created to gather and organize patient data primarily from international humanitarian surgical mission trips, as well as local humanitarian initiatives. Similar to cloud-based Electronic Medical Records, this web-based user-generated database allows for more accurate tracking of provider and patient information and outcomes, regardless of site, and is useful when coordinating follow-up care for patients. The database is particularly useful on international mission trips as there are often different surgeons who may provide care to patients on subsequent missions, and patients who may visit more than 1 mission site...
March 29, 2017: Journal of Craniofacial Surgery
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