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Facial anatomy

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https://www.readbyqxmd.com/read/29340238/a-revised-cranial-description-of-massospondylus-carinatus-owen-dinosauria-sauropodomorpha-based-on-computed-tomographic-scans-and-a-review-of-cranial-characters-for-basal-sauropodomorpha
#1
Kimberley E J Chapelle, Jonah N Choiniere
Massospondylus carinatus is a basal sauropodomorph dinosaur from the early Jurassic Elliot Formation of South Africa. It is one of the best-represented fossil dinosaur taxa, known from hundreds of specimens including at least 13 complete or nearly complete skulls. Surprisingly, the internal cranial anatomy of M. carinatus has never been described using computed tomography (CT) methods. Using CT scans and 3D digital representations, we digitally reconstruct the bones of the facial skeleton, braincase, and palate of a complete, undistorted cranium of M...
2018: PeerJ
https://www.readbyqxmd.com/read/29335053/facial-nerve-paresis-case-report-of-blunt-facial-nerve-injury
#2
John M Kim, Michael J Ryhn, Thomas R Stark
Facial nerve paresis is an uncommon but concerning condition in the pediatric population. The function and anatomy of the facial nerve is complex, and injuries to this structure may be associated with devastating physiological and psychological implications for the affected child and family. The purpose of this paper was to report a case involving a six-year-old Caucasian female who suffered a blunt traumatic injury to the orofacial region resulting in partial paralysis of the seventh cranial nerve. Following the injury, the child was unable to fully elevate the corner of her mouth...
November 1, 2017: Pediatric Dentistry
https://www.readbyqxmd.com/read/29331210/to-roll-the-eyes-and-snap-a-bite-function-development-and-evolution-of-craniofacial-muscles
#3
REVIEW
Frank R Schubert, Arun J Singh, Oluwatomisin Afoyalan, Chrissa Kioussi, Susanne Dietrich
Craniofacial muscles, muscles that move the eyes, control facial expression and allow food uptake and speech, have long been regarded as a variation on the general body muscle scheme. However, evidence has accumulated that the function of head muscles, their developmental anatomy and the underlying regulatory cascades are distinct. This article reviews the key aspects of craniofacial muscle and muscle stem cell formation and discusses how this differs from the trunk programme of myogenesis; we show novel RNAseq data to support this notion...
January 10, 2018: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29330956/craniomandibular-variation-in-phalangeriform-marsupials-functional-comparisons-with-primates
#4
Elizabeth M St Clair, Nicholas Reback, Jonathan M G Perry
Phalangeriform marsupials have often been compared with primates because of similarity in the range of external morphology, ecological niches, and body size between the two radiations. We explore morphological convergence in the masticatory anatomy of strepsirrhine primates and phalangeriforms, through osteological measurements of the mandible and facial skeleton, and through dissection of the masticatory musculature, presenting new data on the arrangement and proportions of jaw adductors in phalangeriforms...
February 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29320584/the-male-aesthetic-patient-facial-anatomy-concepts-of-attractiveness-and-treatment-patterns
#5
Terrence C Keaney, Robert Anolik, André Braz, Michael Eidelman, Joseph A Eviatar, Jeremy B Green, Derek H Jones, Vic A Narurkar, Anthony M Rossi, Conor J Gallagher
<p>BACKGROUND: The number of nonsurgical aesthetic procedures performed in men is growing rapidly. However, there are limited data on treatment principles and goals for the male aesthetic patient.</p> <p>OBJECTIVE: To review the objective data available on male aging and aesthetics and to synthesize with expert opinion on treatment considerations specific to male patients.</p> <p>METHODS: Expert advisors met to discuss anatomical differences in male versus female facial anatomy related to aging, facial treatment preferences in aesthetically oriented men, and current dosing data for facial injectable treatments in male versus female patients...
January 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29287855/branchial-anomalies-in-children-a-report-of-105-surgical-cases
#6
Wanpeng Li, Hongming Xu, Liming Zhao, Xiaoyan Li
BACKGROUND: Branchial anomalies (BAs) account for 20% of all congenital masses in children. We sought to review the incidence of involvement of individual anomalies, diagnostic methods, surgical treatment, and complications of BAs in children. In addition, we also classified our study and analyzed a congenital lower neck cutaneous fistula near the sternoclavicular joint that was thought to be the skin-side remnant of the fourth BAs. METHODS: We conducted a retrospective analysis of 105 children who were referred to our hospital from June 2009 to December 2016 for the treatment of BAs...
January 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29273934/ethnic-rhinoplasty-in-female-patients-the-neoclassical-canons-revisited
#7
Ahmad Saad, Sierra Hewett, Megan Nolte, Flore Delaunay, Mariam Saad, Steven R Cohen
BACKGROUND: Despite the substantial amount of research devoted to objectively defining facial attractiveness, the canons have remained a paradigm of aesthetic facial analysis, yet their omnipresence in clinical assessments revealed their limitations outside of a subset of North American Caucasians, leading to criticism about their validity as a standard of facial beauty. In an effort to introduce more objective treatment planning into ethnic rhinoplasty, we compared neoclassical canons and other current standards pertaining to nasal proportions to anatomic proportions of attractive individuals from seven different ethnic backgrounds...
December 22, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29250664/morphological-changes-in-support-mechanism-of-superficial-face-layers-in-moebius-syndrome
#8
Marius Valeriu Hînganu, Cristinel Ionel Stan, Traian Ţăranu, Delia Hînganu
Moebius syndrome, also called congenital facial paralysis is a rare neurological disease, whose etiology is not fully elucidated. It affects especially facial and oculomotor cranial nerves and its clinical feature is peripheral facial paralysis. The objective of the study is to highlight the anatomical and functional changes in the Moebius syndrome and establish certain criteria that should be the basis for reparative surgery in this disease. For this purpose, we used a group of six patients diagnosed with this pathology, in whom we pursued functional anatomical and histological changes of the superficial layers of the face that we have grouped in terms of their clinical impact...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29243254/graduating-otolaryngology-resident-preparedness-for-fellowship-as-assessed-by-fellowship-faculty
#9
Julie Highland, Cristina Cabrera-Muffly
OBJECTIVES/HYPOTHESIS: The purpose of this study was to evaluate fellowship program directors' perceptions of incoming clinical fellows' preparedness for subspecialty training and to thereby identify strengths and shortcomings in otolaryngology training programs' ability to prepare residents for fellowship. STUDY DESIGN: Validated e-mail survey. METHODS: Two hundred eleven otolaryngology subspecialty fellowship program directors and faculty directly involved with training fellows were contacted...
December 15, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29243182/the-facial-nerve-anatomy-and-associated-disorders-for-oral-health-professionals
#10
Kojiro Takezawa, Grant Townsend, Mounir Ghabriel
The facial nerve, the seventh cranial nerve, is of great clinical significance to oral health professionals. Most published literature either addresses the central connections of the nerve or its peripheral distribution but few integrate both of these components and also highlight the main disorders affecting the nerve that have clinical implications in dentistry. The aim of the current study is to provide a comprehensive description of the facial nerve. Multiple aspects of the facial nerve are discussed and integrated, including its neuroanatomy, functional anatomy, gross anatomy, clinical problems that may involve the nerve, and the use of detailed anatomical knowledge in the diagnosis of the site of facial nerve lesion in clinical neurology...
December 14, 2017: Odontology
https://www.readbyqxmd.com/read/29238682/cochlear-implantation-in-children-with-anomalous-cochleovestibular-anatomy-our-experience
#11
Mohnish Grover, Shitanshu Sharma, Shruti Bhargava, Shashank Nath Singh, Gaurav Gupta, Man Prakash Sharma
To report operative findings, postoperative course, and postimplantation performance in patients with cochlear malformations who underwent cochlear implantation. Seventeen patients with malformations which included enlarged vestibular aqueduct (n = 6), Mondini's dysplasia (n = 5) common cavity deformity (n = 3) and incomplete partition type 2 (n = 3) underwent cochlear implantation with Nucleus 22 straight array device at our center. Operative findings described facial nerve anatomy and cerebrospinal fluid leak...
December 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/29238415/facial-and-orbital-fractures-a-fifteen-years-retrospective-evaluation-of-north-east-sicily-treated-patients
#12
Michele Runci, Francesco Saverio De Ponte, Roberto Falzea, Ennio Bramanti, Floriana Lauritano, Gabriele Cervino, Fausto Famà, Alessandro Calvo, Salvatore Crimi, Silvia Rapisarda, Marco Cicciù
Background: Orbital fractures are classified as diseases usually related to common midface trauma. It represents the most challenging treatment due to the complex anatomy, physiology, and aesthetic role. A midface trauma involves also the zygomatic complex and the nose, however the orbit fracture seems to be a more frequent disease due to its anatomical features. Objective: The purpose of this work is to retrospectively evaluate and record the frequency of the midfacial traumas and orbital fractures observed in the North Eastern Sicily...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/29233508/updated-anatomy-of-the-buccal-space-and-its-implications-for-plastic-reconstructive-and-aesthetic-procedures
#13
Thilo L Schenck, Konstantin C Koban, Alexander Schlattau, Konstantin Frank, Anthony P Sclafani, Riccardo E Giunta, Malcolm Z Roth, Alexander Gaggl, Robert H Gotkin, Sebastian Cotofana
BACKGROUND: The buccal space is an integral deep facial space which is involved in a variety of intra- and extra-oral pathologies and provides a good location for the harvest of the facial artery. The age-related anatomy of this space was investigated and compared to previous reports. METHODS: We conducted anatomic dissections in 102 fresh frozen human cephalic specimens (45 males, 57 females; age range 50-100 years) and performed additional computed tomographic, magnetic resonance and 3-D surface volumetric imaging studies to visualize the boundaries and the contents of the buccal space after injection of contrast enhancing material...
December 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29226469/surgical-anatomy-of-the-superficial-temporal-artery-to-prevent-facial-nerve-injury-during-arterial-biopsy
#14
Kang-Jae Shin, Hyun Jin Shin, Shin-Hyo Lee, Ki-Seok Koh, Wu-Chul Song
PURPOSE: To investigate the topographical relationship between the frontal branch of the superficial temporal artery (FSTA) and the temporal branch of the facial nerve (TFN) with the aim of preventing nerve injury during FSTA biopsy. METHODS: Fifty-seven hemifaces of 33 cadavers were dissected. Vertical lines drawn to the lateral orbital margin (LOM) and the superior root of the helix were used as the anterior and posterior reference positions, respectively. Horizontal lines drawn through the supraorbital margin and lateral canthus were used as the superior and inferior reference points, respectively...
December 11, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29219792/-unilateral-blindness-following-a-non-surgical-rhinoplasty-with-filler
#15
L W Schelke, M Fick, L J van Rijn, T Decates, P J Velthuis, F Niessen
BACKGROUND: A rare but known adverse event following a cosmetic filler treatment is unilateral blindness. In the Netherlands, this complication has not been reported in a patient before. CASE DESCRIPTION: A 26-year-old woman developed unilateral blindness after undergoing a cosmetic treatment of the dorsum nasi in which hyaluronic acid was used as filler. The blindness was caused by backflow of the filler via the ophthalmic artery into the carotid internal artery...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29217063/capillary-malformations-portwine-stains-of-the-head-and-neck-natural-history-investigations-laser-and-surgical-management
#16
REVIEW
Jeong Woo Lee, Ho Yun Chung
Capillary malformations (CMs), also known as port-wine stains, are the most common type of congenital vascular malformations. Facial CM often occurs with a quasidermatomal distribution according to the sensory trigeminal nerve distribution. With time, these lesions darken progressively, and soft tissue hypertrophy, bony hypertrophy, and/or nodule formation can develop. Multiple treatments for CM have been reported. However, the mainstay and gold standard therapy for facial or aesthetically sensitive CM is still the pulsed dye laser treatment...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29217057/the-surgical-management-of-infantile-hemangiomas
#17
REVIEW
Milton Waner
The surgical management of facial infantile hemangiomas presents a unique challenge. The aim of the surgeon should be to remove the hemangioma and to restore normal facial features. Each of the facial zones has its own special features and challenges. The surgeon should remember that the child started out with normal anatomy and that as the hemangioma proliferated, it displaced and thinned these normal structures and in many cases, expanded adjacent tissue. Hemangiomas do not as a rule, invade adjacent tissues as they proliferate...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29208799/an-alternative-approach-for-space-opening-in-a-bilateral-maxillary-lateral-incisor-agenesis-patient-using-miniplates
#18
Gladistone C Meros, Aline Shoji, Selly Suzuki, Luiz R Paranhos, Rodrigo Manfroi, Jonathas Claus, Aguinaldo Garcez
AIM: This case report aimed to present an orthodontic mechanic alternative for space opening in a patient missing maxillary lateral incisors, using miniplates as anchorage, associated with self-ligating brackets. BACKGROUND: Dental agenesis affects the population causing esthetic and functional damages. The prevalence of missing maxillary lateral incisors should be considered for its significant rate and negative impact on smile esthetics. CASE REPORT: This treatment was chosen based on the presence of balanced facial pattern, large canine anatomy, the need to improve dental occlusion to prevent further wear, and patient's esthetic complaint...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29199500/management-of-a-rare-case-of-posterior-condylar-canal-dural-arteriovenous-fistula-presenting-with-subarachnoid-haemorrhage-a-case-report-and-review-of-literature
#19
Somorendra Singh Shambanduram, Leve Joseph Devarajan Sebastian, Nishchint Jain, Ajay Garg, Shailesh B Gaikwad
Posterior condylar canal dural arteriovenous fistula (PCC dAVF) is a rare entity with only three cases having been reported so far in the English literature. We describe the clinical presentation, imaging, and endovascular management of an elderly man with left PCC dAVF presenting with subarachnoid haemorrhage (SAH). Endovascular management of such cases requires thorough understanding of the vascular anatomy around the craniovertebral junction (CVJ) and variable bridging vein draining patterns. The fistula in our case was fed by the posterior meningeal branch of the left vertebral artery and was draining through a dilated and tortuous medullary bridging vein into the antero-lateral pontomedullary venous system...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29167708/tooth-abnormalities-in-individuals-with-unilateral-alveolar-clefts-a-comparison-between-sides-using-cone-beam-computed-tomography
#20
Bruno-Torres Bezerra, John-Nadson-Andrade Pinho, Luiz-Carlos-Ferreira da Silva
Background: Tooth abnormalities are most often present in individuals with oral clefts than general population, and lead to a long-term impact on facial anatomy and self-esteem. The purpose of this study was to compare the proportion of dental anomalies between the cleft side and non-cleft side in individuals with non-syndromic unilateral alveolar clefts (AC). Material and Methods: Twenty cone beam computed tomography (CBCT) scans were converted into three-dimensional (3D) virtual models...
October 2017: Journal of Clinical and Experimental Dentistry
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