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Craniofacial deformity

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https://www.readbyqxmd.com/read/29909944/part-2-is-the-maxillary-canting-and-its-surgical-correction-in-patients-with-cfm-correlated-to-the-mandibular-deformity
#1
Britt I Pluijmers, Lara S van de Lande, Cornelia J J M Caron, Eppo B Wolvius, David J Dunaway, Bonnie L Padwa, Maarten J Koudstaal
INTRODUCTION: Patients with Craniofacial Microsomia (CFM) mandibles Types I/IIa benefit from combined LeFort 1 osteotomy and Mandibular Distraction Osteogenesis (LeFort + MDO); Type IIb from LeFort + MDO or Bimaxillary osteotomy (BiMax); and Type III from BiMax (with 50% of cases having preceding mandibular procedures, including patient-fitted prosthesis); as seen in Part 1. This leads to the question how maxillary and mandibular hypoplasia are correlated and influence the types of maxillary correction...
May 24, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29907434/surgical-correction-of-the-midface-in-craniofacial-microsomia-part-1-a-systematic-review
#2
REVIEW
Lara S van de Lande, Britt I Pluijmers, Cornelia J J M Caron, Eppo B Wolvius, David J Dunaway, Maarten J Koudstaal, Bonnie L Padwa
INTRODUCTION: Mandibular reconstruction in craniofacial microsomia (CFM) has been described and reviewed at length although final results are not always (aesthetically) satisfactory due to maxillo-mandibular asymmetry, for which optimal correction techniques remain unclear. The aim of this systematic review is to provide an overview of the surgical options for maxillary correction in patients with unilateral CFM. MATERIAL AND METHODS: MEDLINE/Pubmed, Embase, Cochrane and Web of Science databases were searched up to April 15, 2017...
May 25, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29878995/changes-in-cutaneous-gene-expression-after-microvascular-free-tissue-transfer-in-parry-romberg-disease
#3
Jenny Tzujane Chen, Brian Eisinger, Corinne Esquibel, Samuel O Poore, Kevin Eliceiri, John W Siebert
PURPOSE: Parry Romberg's Disease (PRD) is an enigmatic craniofacial disorder characterized by progressive facial atrophy. The pathogenesis and molecular mechanisms governing PRD have never before been described. The purpose of our current study was two fold; 1) to begin to elucidate the pathophysiology of this disease using next gen RNA sequencing and 2) evaluate the effect of surgical treatment on gene expression. METHODS: Patients with PRD underwent microvascular free tissue transfer (MVFF) to the face to address contour deformity in both active and burned out disease...
June 5, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29870506/-counterclockwise-craniofacial-distraction-osteogenesis-c3do-for-tracheostomy-dependent-children-with-treacher-collins-syndrome
#4
Richard A Hopper, Hitesh Kapadia, Srinivas Susarla, Randall Bly, Kaalan Johnson
BACKGROUND: The craniofacial rotation deformity in Treacher Collins syndrome (TCS) results in airway compression that is not adequately addressed by isolated mandibular distraction osteogenesis (MDO). The purpose of this work is to present a novel surgical technique, counterclockwise craniofacial distraction osteogenesis (C3DO), to improve the airway morphology and occlusion in tracheostomy-dependent patients with TCS. METHODS: This is a prospective study of tracheostomy-dependent children with TCS who underwent C3DO...
May 19, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29863558/post-neurosurgical-temporal-deformities-various-techniques-for-correction-and-associated-complications
#5
Gabriel F Santiago, Jordan Terner, Amir Wolff, Jeffrey Teixeira, Henry Brem, Judy Huang, Chad R Gordon
INTRODUCTION: An irregular craniofacial contour along the temporal fossa, known commonly as 'temporal hollowing deformity,' (THD) can arise from multiple etiologies. In fact, up to half of all patients who undergo neurosurgical pterional dissections develop some form of temporal contour deformities. Unfortunately, temporal hollowing correction remains surgically challenging with many techniques resulting in high rates of failure and/or morbidity. METHODS: Herein, we describe anatomy contributing to postsurgical temporal deformity as well as time-tested prevention and surgical correction techniques...
May 31, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29859949/is-there-a-difference-in-orbital-volume-between-affected-and-unaffected-sides-in-patients-with-unilateral-craniofacial-microsomia
#6
Maria N Gribova, Cory M Resnick, Britt I Pluijmers, Cornelia J J M Caron, Alessandro Borghi, Maarten J Koudstaal, Bonnie L Padwa
PURPOSE: Craniofacial microsomia (CFM) is characterized by malformations of structures derived from the first and second pharyngeal arches. The orbit is variably affected. The purpose of this study was to determine whether there is a difference in orbital volume between affected and unaffected sides in patients with unilateral CFM. The specific aims were to 1) measure orbital volume, 2) compare affected and unaffected sides, 3) evaluate the correlation between clinical evaluation of orbital size and volumetric measurement, and 4) determine whether there is a correlation between orbital volume and severity of mandibular deformity...
May 31, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29845577/novel-1q22-q23-1-duplication-in-a-patient-with-lambdoid-and-metopic-craniosynostosis-muscular-hypotonia-and-psychomotor-retardation
#7
Anna Sowińska-Seidler, Ewelina M Olech, Magdalena Socha, Dawid Larysz, Aleksander Jamsheer
Craniosynostosis (CS) refers to the group of craniofacial malformations characterized by the premature closure of one or more cranial sutures. The disorder is clinically and genetically heterogeneous and occurs usually as an isolated trait, but can also be syndromic. In 30-60% of patients, CS is caused by known genetic factors; however, in the rest of the cases, causative molecular lesions remain unknown. In this paper, we report on a sporadic male patient affected by complex CS (metopic and unilateral lambdoid synostosis), muscular hypotonia, psychomotor retardation, and facial dysmorphism...
May 29, 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29790726/minimally-invasive-approaches-to-craniosynostosis
#8
Arjun V Pendharkar, Maryam N Shahin, Claudio Cavallo, Xiaochun Zhao, Allen L Ho, Eric S Sussman, Gerald A Grant
Craniosynostosis (CS) is defined as the premature fusion of one or more calvarial sutures. This carries several consequences, including abnormal/asymmetric cranial vault development, increased intracranial pressure, compromised neurocognitive development, and craniofacial deformity. Definitive management is surgical with the goal of protecting cerebral development by re-establishing normal cranial vault expansion and correcting cosmetic deformity. In today's practice, CS surgery has advanced radically from simple craniectomies to major cranial vault reconstructive (CVR) procedures...
May 22, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29781248/the-role-of-3d-printing-in-treating-craniomaxillofacial-congenital-anomalies
#9
REVIEW
Christopher D Lopez, Lukasz Witek, Andrea Torroni, Roberto L Flores, David B Demissie, Simon Young, Bruce N Cronstein, Paulo G Coelho
Craniomaxillofacial congenital anomalies comprise approximately one third of all congenital birth defects and include deformities such as alveolar clefts, craniosynostosis, and microtia. Current surgical treatments commonly require the use of autogenous graft material which are difficult to shape, limited in supply, associated with donor site morbidity and cannot grow with a maturing skeleton. Our group has demonstrated that 3D printed bio-ceramic scaffolds can generate vascularized bone within large, critical-sized defects (defects too large to heal spontaneously) of the craniomaxillofacial skeleton...
May 20, 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29771839/application-of-autologous-human-bone-marrow-derived-mesenchymal-stem-cells-in-distraction-osteogenesis-for-the-treatment-of-bilateral-mandibular-hypoplasia
#10
Hun Jun Lim, Eui Mook Lee, Won Ki Kim, Han Jong Kim, Bong Chul Kim, Jun Lee
Distraction osteogenesis a surgical procedure conducted to improve craniofacial deformities. Compared with conventional operations, this technique has advantages such as the ability to lengthen the soft tissue and hard tissue. Therefore, this method is used to treat severe craniofacial abnormalities.The major disadvantage of distraction osteogenesis is the long treatment period. If the consolidation period is not sufficiently long after the distraction period, complications such as discontinuity or contraction of newly formed bone may occur...
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
#11
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/29766474/masses-of-developmental-and-genetic-origin-affecting-the-paediatric-craniofacial-skeleton
#12
REVIEW
Salvatore Stefanelli, Pravin Mundada, Anne-Laure Rougemont, Vincent Lenoir, Paolo Scolozzi, Laura Merlini, Minerva Becker
Although rare, masses and mass-like lesions of developmental and genetic origin may affect the paediatric craniofacial skeleton. They represent a major challenge in clinical practice because they can lead to functional impairment, facial deformation and disfigurement. The most common lesions include fibrous dysplasia, dermoid cysts, vascular malformations and plexiform neurofibromas. Less common lesions include torus mandibularis and torus palatinus, cherubism, nevoid basal cell carcinoma syndrome, meningoencephalocele and nasal sinus tract...
May 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29764701/a-combination-of-skeletal-deformations-of-the-dorsal-mandible-and-temporomandibular-region-detected-in-orthopantomograms-of-patients-with-neurofibromatosis-type-1-indicates-an-associated-ipsilateral-plexiform-neurofibroma
#13
Reinhard E Friedrich, Anika Reul
PURPOSE: Neurofibromatosis type 1 (NF1) is a tumour suppressor syndrome and also a bone disease. In the craniofacial region, local skeletal deformities have been recorded in patients with NF1. Obvious syndrome-related alterations of the jaws are particularly conspicuous in the mandible. Here we aimed to analyse the mandibular alterations of NF1-affected individuals from orthopantomograms (OPGs). MATERIALS AND METHODS: This study analyses 358 OPGs of 358 patients (mean age, 34...
April 26, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29749885/assessing-calvarial-vault-constriction-associated-with-helmet-therapy-in-deformational-plagiocephaly
#14
Erin C Peterson, Kamlesh B Patel, Gary B Skolnick, Kristin D Pfeifauf, Katelyn N Davidson, Matthew D Smyth, Sybill D Naidoo
OBJECTIVE Deformational plagiocephaly and/or brachycephaly (DPB) is a cranial flattening frequently treated in pediatric craniofacial centers. The standard of care for DPB involves patient positioning or helmet therapy. Orthotic therapy successfully reduces cranial asymmetry, but there is concern over whether the orthotics have the potential to restrict cranial growth. Previous research addressing helmet safety was limited by lack of volume measurements and serial data. The purpose of this study was to directly compare head growth data in patients with DPB between those who underwent helmet therapy and those who received repositioning therapy...
May 11, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29746183/msx2-marks-spatially-restricted-populations-of-mesenchymal-precursors
#15
N Sakagami, Y Matsushita, S Syklawer-Howle, H M Kronenberg, W Ono, N Ono
Craniofacial development requires a set of patterning codes that define the identities of postmigratory mesenchymal cells in a region-specific manner, in which locally expressed morphogens, including fibroblast growth factors (FGFs) and bone morphogenetic proteins (BMPs), provide instructive cues. Msx2, a bona fide target of BMP signaling, is a transcription factor regulating Runx2 and osterix (Osx), whose mutations are associated with cranial deformities in humans. Here we show that Msx2 defines osteo-chondro precursor cells in specific regions of the craniofacial mesenchyme at the postmigratory stage, particularly in the mandibular process and the posterior cranial vault...
May 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29720210/endoscopic-release-of-congenital-muscular-torticollis-with-radiofrequency-in-teenagers
#16
Jun-Liang Wang, Wei Qi, Yu-Jie Liu
BACKGROUND: Congenital muscular torticollis (CMT) is due to contracture of the sternocleidomastoid muscle which may cause activity limitations of the neck, tilt of the head, craniofacial asymmetry, and deformity of the skull. The authors present their experience of arthroscopic tight fibrous band release with radiofrequency in teenagers under local anesthesia and evaluate the clinical results. METHODS: A total of 69 patients who underwent arthroscopic release of CMT with radiofrequency under local anesthesia by a single surgeon could participate in this study...
May 3, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29707444/applications-of-computer-technology-in-complex-craniofacial-reconstruction
#17
Kristopher M Day, Kyle S Gabrick, Larry A Sargent
Background: To demonstrate our use of advanced 3-dimensional (3D) computer technology in the analysis, virtual surgical planning (VSP), 3D modeling (3DM), and treatment of complex congenital and acquired craniofacial deformities. Methods: We present a series of craniofacial defects treated at a tertiary craniofacial referral center utilizing state-of-the-art 3D computer technology. All patients treated at our center using computer-assisted VSP, prefabricated custom-designed 3DMs, and/or 3D printed custom implants (3DPCI) in the reconstruction of craniofacial defects were included in this analysis...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29697619/the-skoog-lip-repair-for-unilateral-cleft-lip-deformity-the-uppsala-experience
#18
Alberto Falk-Delgado, Anna Lång, Malin Hakelius, Valdemar Skoog, Daniel Nowinski
BACKGROUND: The Uppsala Craniofacial Center has been treating patients with unilateral cleft lip deformity using the lip repair technique described by Tord Skoog. The aim of this study was to determine complications after lip surgery and the incidence and indications for lip revisions in all patients born with unilateral cleft lip from 1960 to 2004. METHODS: All patients who were born from 1960 to 2004 with unilateral cleft lip, cleft lip and alveolus, or cleft lip and palate and underwent lip repair were studied retrospectively...
May 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29679588/growth-and-development-of-craniofacial-structures-in-patients-at-different-ages-with-unrepaired-submucous-cleft-palate
#19
Congcong Cao, Xue Xu, Qian Zheng, Bing Shi, Jingtao Li, Yan Wang
PURPOSE: Submucous cleft palate (SMCP) is a particular subtype of cleft palate deformity; research related to the craniofacial features of patients with SMCP is comparatively rare. The study objective was to perform a cephalometric comparison of the craniofacial features of patients with SMCP and non-cleft controls at different ages. MATERIALS AND METHODS: The sample in this cross-sectional study was composed of 2 groups: SMCP patients and non-cleft controls. The primary predictor variables were study group (cleft and non-cleft) and age...
March 28, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29673851/the-use-of-allogeneic-cartilage-for-grafting-in-functional-and-reconstructive-rhinoplasty
#20
Andrew M Read-Fuller, David M Yates, Alaaaldin Radwan, Alexander M Schrodt, Richard A Finn
PURPOSE: Allogeneic cartilage grafting has multiple uses in rhinoplasty. Autogenous cartilage is frequently used in cases of nasal obstruction or reconstruction, but harvesting grafts can cause complications or might be contraindicated. Rhinoplasties of the patient with cleft might require costochondral grafts. Allogeneic rib is an effective and safe alternative to autogenous grafts, prevents complications, and obviates postoperative admission after rib harvest. MATERIALS AND METHODS: Patients who had allogeneic cartilage placed during functional or reconstructive rhinoplasty were studied from 2 institutions, including 19 who had functional rhinoplasty using allogeneic Cartiform patellar cartilage grafts and 15 patients who underwent reconstructive cleft rhinoplasty with allogeneic rib cartilage...
March 27, 2018: Journal of Oral and Maxillofacial Surgery
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