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Facial reconstruction

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https://www.readbyqxmd.com/read/29145580/effect-of-botulinum-toxin-a-on-muscle-healing-and-its-implications-in-aesthetic-and-reconstructive-surgery
#1
Eldad Silberstein, Ehud Maor, Oleg Sukmanov, Alexander Bogdanov Berezovsky, Yaron Shoham, Yuval Krieger
Background: Muscle activity contributes to the enhancement of facial aging deformity, blepharospasm, cerebral palsy spasticity, trismus, torticollis, and other conditions. Myotomy of the involved muscles in order to reduce the deformity has variable success rates due to muscle healing and regeneration of activity. Objectives: The goal of this study was to investigate whether blocking striated muscle activity with Botulinum toxin (BtxA) during the healing time after myotomy alters the healing process and reduces long-term muscle activity...
November 14, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29144832/postoperative-complications-of-dermis-fat-autografts-in-the-anophthalmic-socket
#2
Victoria Starks, Suzanne K Freitag
Reconstruction of the anophthalmic socket allows the use of an ocular prosthesis and rehabilitation of facial appearance. Dermis-fat grafting is one option in volume augmentation of the anophthalmic socket and presents unique benefits, including increased surface area within the socket and the ability to grow with pediatric patients. Postoperative complications of this procedure are relatively common. Minor complications, such as graft hirsutism, keratinization, and conjunctival cysts or granulomas, are managed easily by observation or simple intervention...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29140385/virtual-treatment-planning-for-implant-retained-nasal-prosthesis-a-clinical-report
#3
Muaiyed Mahmoud Buzayan, Norsiah Binti Yunu, Ha Kien Oon, Omar Tawfiq
Osseointegrated craniofacial implants have improved retention and patients' perceptions of implant-retained nasal prostheses; however, the determination of the available bone sites for implant placement post-rhinectomy is difficult. This case report describes the use of cone beam computed tomography scanning and computer-assisted virtual planning in conjunction with digital photographs for rehabilitation of a facial defect with an implant-retained silicon nasal prosthesis. Two implants were planned in the anatomical area with adequate bone volume to achieve favorable cosmetic outcomes and accessibility for hygiene maintenance...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29130414/occlusal-angles-of-equine-incisors
#4
Laura Listmann, Patricia Schrock, Klaus Failing, Carsten Staszyk
The angulation of equine incisors is frequently used as a parameter for dental corrections. However, the term incisor angle is only vaguely defined, and no studies exist presenting a series of reliable measurements in individual incisors of multiple horses. The aim of this study was to establish an exact method to determine incisor angles and to test whether clinically accessible landmarks (facial crest and bars) are suitable to estimate incisor angles. Eighteen horses were used to create 3-dimensional (3D) reconstructions of the skulls from computed tomography (CT) data sets...
December 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/29126697/use-of-automated-learning-techniques-for-predicting-mandibular-morphology-in-skeletal-class-i-ii-and-iii
#5
Tania Camila Niño-Sandoval, Sonia V Guevara Pérez, Fabio A González, Robinson Andrés Jaque, Clementina Infante-Contreras
BACKGROUND: The prediction of the mandibular bone morphology in facial reconstruction for forensic purposes is usually performed considering a straight profile corresponding to skeletal class I, with application of linear and parametric analysis which limit the search for relationships between mandibular and craniomaxillary variables. OBJECTIVE: To predict the mandibular morphology through craniomaxillary variables on lateral radiographs in patients with skeletal class I, II and III, using automated learning techniques, such as Artificial Neural Networks and Support Vector Regression...
October 12, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29113902/evaluation-of-the-use-of-calcium-phosphate-cement-for-aesthetic-neurosurgical-cranial-reconstruction
#6
Toshiaki Kodera, Hiroyuki Tada, Ayumi Akazawa, Norichika Hashimoto, Hidetaka Arishima, Shinsuke Yamada, Hiroshi Arai, Yoshifumi Higashino, Ryuhei Kitai, Hiroaki Takeuchi, Ken-Ichiro Kikuta
OBJECTIVE: The authors evaluated whether newly developed calcium phosphate cement (CPC), mounted around the titanium plates, is useful for aesthetic cranial reconstruction by using two methods. METHODS: The morphological changes of CPC were observed in the videos of six patients who had undergone cranial reconstruction with CPC during the first surgery and required second surgery. The facial aesthetic outcomes of 74 consecutive patients, more than 12 months after frontotemporal (FT) or bifrontal (BF) craniotomy and reconstruction with or without CPC, were evaluated...
November 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29111474/the-middle-temporal-artery-surgical-anatomy-and-exposure-for-cerebral-revascularization
#7
Roberto Rodriguez Rubio, Michael T Lawton, Olivia Kola, Halima Tabani, Sonia Yousef, Ali Tayebi Meybodi, Jan-Karl Burkhardt, Ivan El-Sayed, Arnau Benet
BACKGROUND: The middle temporal artery (MTA) is the proximal medial branch of the superficial temporal artery (STA), supplying the temporalis muscle along with deep temporal arteries. Its use in vascularized flaps for reconstructive and otologic procedures has been described, yet its potential use in neurosurgery is not studied. We report a novel technique for exposing the MTA and evaluated its characteristics for extracranial-intracranial (EC-IC) cerebrovascular bypass. METHODS: After a curvilinear frontotemporal incision in 10 cadaveric specimens, the STA was dissected from distal to proximal...
October 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29108534/-lengthening-temporalis-myoplasty-in-treatment-of-chronical-facial-paralysis
#8
EDITORIAL
Alexander Bonde, Mette Stueland Wolthers
Introducing the lengthening temporalis myoplasty (LTM), a newly implemented surgical treatment of chronic facial paralysis. LTM is a single-stage operation where the temporalis muscle is transposed for dynamic smile reconstruction, hereby serving as an alternative to the more complex two-stage microvascular functional muscle transplantation. This case report demonstrates how LTM can be used to treat patients, who are not motivated or suitable for extensive surgery. The introduction of this technique aims to help a larger number of patients with chronic facial paralysis...
November 6, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29103740/reconstruction-design-before-tumour-resection-a-new-concept-of-through-and-through-cheek-defect-reconstruction
#9
Zhao-Jiang Gong, Zhen-Hu Ren, Kai Wang, Hong-Yu Tan, Sheng Zhang, Han-Jiang Wu
OBJECTIVE: To explore a new method of reconstruction of through-and-through cheek defects and to evaluate this method's efficacy and patient prognosis. MATERIALS AND METHODS: This retrospective study included 70 patients who underwent reconstruction of through-and-through cheek defects. The surgical approach, design of facial skin incisions, selection and design of flaps, postoperative quality of life and prognosis of patients were recorded and reported. RESULTS: Postoperative quality of life gradually increased over time, and the mean scores of University of Washington Quality of Life (UW-QOL) Questionnaire was more than 80 at 1-year postoperatively...
November 2017: Oral Oncology
https://www.readbyqxmd.com/read/29101639/an-automatic-markerless-registration-method-for-neurosurgical-robotics-based-on-an-optical-camera
#10
Fanle Meng, Fangwen Zhai, Bowei Zeng, Hui Ding, Guangzhi Wang
PURPOSE: Current markerless registration methods for neurosurgical robotics use the facial surface to match the robot space with the image space, and acquisition of the facial surface usually requires manual interaction and constrains the patient to a supine position. To overcome these drawbacks, we propose a registration method that is automatic and does not constrain patient position. METHODS: An optical camera attached to the robot end effector captures images around the patient's head from multiple views...
November 3, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29097021/zygomatico-orbital-artery-the-largest-artery-in-the-temporal-area
#11
Dong Hun Choi, Jeung Ryeol Eom, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
The zygomatico-orbital artery is the largest artery in the temporal area. With the increasing number of reconstructive and aesthetic surgeries in the area, in-depth understanding of this artery is needed. Thus, the aim of this anatomical study was to determine more information on the zygomatico-orbital artery using contrast-enhanced three-dimensional computer tomography (CT) and color-flow Doppler sonography. On the basis of CT images taken between October 2015 and October 2016 for diagnosing and treating maxillofacial conditions, 50 patients were selected...
October 16, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29095193/the-effectiveness-of-sternocleidomastoid-flap-versus-superficial-musculoaponeurotic-system-flap-for-the-prevention-of-frey-syndrome-and-facial-depressed-deformity-in-parotid-surgery-for-pleomorphic-adenoma
#12
Marco Manola, Luca Moscillo, Vittorio Simeon, Elena De Luca, Americo Mastella
The purpose of this study was to compare 2 types of reconstruction techniques: sternocleidomastoid (SCM) flap and superficial musculoaponeurotic system (SMAS) flap after partial parotidectomy (PP) for preventing Frey syndrome (FS) and concave facial depressed deformity. A total of 99 patients underwent PP for pleomorphic adenoma of the parotid gland. The patients were divided in 2 groups according to the dimension of the tumor: tumors less than 3 cm (group A, 47 patients) and tumors greater than or equal to 3 cm (group B, 52 patients)...
October 31, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29092974/breast-reconstruction-in-a-patient-with-noonan-syndrome
#13
Basel Sharaf, Mohamed Diya Sabbagh, Si-Gyun Roh
Noonan syndrome (NS) is a relatively common genetic disorder with an autosomal dominant inheritance pattern affecting 1 in 1000-2500 births. Patients with this syndrome present with characteristic facial, musculoskeletal, cardiac and endocrine abnormalities. Lack of postpubertal breast development is a common manifestation of this syndrome and may result in severe hypomastia and a masculine appearance of the female chest. We report the first case of breast reconstruction in a 24-year-old woman with NS who lacked postpubertal breast development...
November 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29075156/skull-base-trauma-clinical-considerations-in-evaluation-and-diagnosis-and-review-of-management-techniques-and-surgical-approaches
#14
REVIEW
Jacob S Feldman, Soroush Farnoosh, Robert M Kellman, Sherard A Tatum
Traumatic injuries to the skull base can involve critical neurovascular structures and present with symptoms and signs that must be recognized by physicians tasked with management of trauma patients. This article provides a review of skull base anatomy and outlines demographic features in skull base trauma. The manifestations of various skull base injuries, including CSF leaks, facial paralysis, anosmia, and cranial nerve injury, are discussed, as are appropriate diagnostic and radiographic testing in patients with such injuries...
November 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29074445/fibrous-condylar-dysplasia-resection-and-reconstruction-with-a-custom-made-tmj-prosthesis-using-virtual-surgical-planning
#15
M Fernández-Ferro, J Fernández-Sanromán, A Costas-López, A López-Betancourt
The main objective of this article is to describe the indications for custom-made alloplastic reconstruction of the temporomandibular joint (TMJ) using the new techniques of virtual surgical planning and computer-aided design/computer-aided manufacturing (CAD/CAM) technology through the study of a clinical case and an updated review of the literature. The patient was a 45-year-old male with a fast-growing condylar dysplasia that produced a progressive facial deformity with limited mandibular mobility, which required a radical resection...
October 23, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29068964/an-algorithm-for-managing-intraosseous-vascular-anomalies-of-the-craniofacial-skeleton
#16
Kathryn V Isaac, Tara Lynn Teshima, Richard I Aviv, Mahmood Fazl, Leodante da Costa, Todd Mainprize, Oleh Antonyshyn
BACKGROUND: Intraosseous vascular anomalies (IOVA) are rare in the craniofacial skeleton and present a diagnostic and therapeutic challenge. This study aims to describe the clinical management based on a large case series. METHODS: A retrospective chart review was performed and 9 IOVA were identified over a 15-year period. Data on demographics, diagnostic features, clinical management, and outcomes were reviewed. RESULTS: Five frontal bone IOVA and 4 orbital IOVA were identified...
October 24, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29062268/comparison-of-diffusion-weighted-mri-reconstruction-methods-for-visualization-of-cranial-nerves-in-posterior-fossa-surgery
#17
Brendan Behan, David Q Chen, Francesco Sammartino, Danielle D DeSouza, Erika Wharton-Shukster, Mojgan Hodaie
Diffusion-weighted imaging (DWI)-based tractography has gained increasing popularity as a method for detailed visualization of white matter (WM) tracts. Different imaging techniques, and more novel, advanced imaging methods provide significant WM structural detail. While there has been greater focus on improving tract visualization for larger WM pathways, the relative value of each method for cranial nerve reconstruction and how this methodology can assist surgical decision-making is still understudied. Images from 10 patients with posterior fossa tumors (4 male, mean age: 63...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29057133/a-rare-case-of-recurrent-mucoepidermoid-carcinoma-of-the-nasal-vestibule
#18
Vladimir Bedeković, Miro Leventić, Boris Jelavić, Robert Trotić, Mihael Ries, Mirjana Kostić, Tomislav Lauc
We report a rare case of a large recurrent mucoepidermoid carcinoma (RMEC) in an 81-year-old female smoker, which has originated in the right nasal vestibule. The recurrent tumour was inadequately treated for 6 years. It was a slow-growing tumour for 3 years and then began to enlarge at a higher pace. In the next three years it has covered a large part of the face. The patient had refused any medical treatment. The tumour caused breathing and swallowing difficulties. Because of the profuse bleeding from the tumour, the patient underwent emergency surgery...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29051396/facial-transplantation-an-update-of-results-and-perspectives-from-tissue-engineering
#19
Francesco Simonacci, Roberto Toni, Edoardo Raposio
BACKGROUND/AIM: Facial transplantation is a revolutionary procedure developed recently, which is indicated if autologous transfers fail to restore human appearance. More than 30 patients have undergone facial transplantation in different centers worldwide. Here, we provide an update on its main anatomical, surgical, immunological, ethical, and follow- up aspects. We also provide innovative perspectives of regenerative medicine and tissue engineering that could hold promise for this emerging surgical field...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29049615/current-trends-in-management-of-submental-liposis-a-pooled-analysis-and-survey
#20
Sagar Patel, Russell Kridel
Importance: Since its approval by the US Food and Drug Administration for treatment of moderate to severe submental liposis in April 2015, deoxycholic acid (Kybella) has received significant media attention as a novel aesthetic treatment. Four phase 3 clinical trials have published data demonstrating the safety and efficacy of the drug compared with placebo; however, no study has juxtaposed the product with submental liposuction. Objective: To evaluate the efficacy of injectable deoxycholic acid in the treatment of isolated submental liposis...
October 19, 2017: JAMA Facial Plastic Surgery
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