Morphologie最新文献

{"title":"The effectiveness of three-dimensional printing in undergraduate and postgraduate anatomy education: A review of reviews","authors":"D. Chytas ,&nbsp;G. Noussios ,&nbsp;M. Salmas ,&nbsp;T. Demesticha ,&nbsp;A.V. Vasiliadis ,&nbsp;T. Troupis","doi":"10.1016/j.morpho.2023.100759","DOIUrl":"10.1016/j.morpho.2023.100759","url":null,"abstract":"<div><h3>Purpose</h3><p>Several reviews and meta-analyses about the value of three-dimensional (3D) printing in anatomy education have been published in the last years, with variable-and sometimes confusing- outcomes. We performed a review of those reviews, in order to shed light on the results concerning the effectiveness of 3D printing in anatomy education, compared to specific traditional methods and other technologies.</p></div><div><h3>Methods</h3><p>The electronic databases PubMed, ERIC and Cochrane library were searched for reviews or meta-analyses with purpose to investigate the effectiveness of 3D printing in undergraduate and postgraduate anatomy education.</p></div><div><h3>Results</h3><p>Seven papers were included: four systematic reviews with meta-analysis, one narrative, one scoping and one systematic review. Overall, it has been shown that 3D printing is more effective than two-dimensional (2D) images for undergraduate health science students, but not for medical residents. Also, it seems to be more effective than 2D methods for teaching anatomy of some relatively complex structures, such as the nervous system. However, there is generally lack of evidence about the effectiveness of 3D printing in comparison with other 3D visualization methods.</p></div><div><h3>Conclusions</h3><p>For students, the effectiveness of 3D printing in anatomy education is higher than 2D methods. There is need for studies to investigate the effectiveness of 3D printing in comparison with other 3D visualization methods, such as cadaveric dissection, prosection and virtual reality. There is also need for research to explore if 3D printing is effective as a supplementary tool in a blended anatomy learning approach.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139433046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of myocardial bridges in the Mexican population: A morphometric and histological analysis","authors":"A. Rojas-Granados ,&nbsp;E. Pérez-Campos ,&nbsp;M. Sanchez-Sanchez ,&nbsp;M.A.M. Chávez ,&nbsp;L. Pérez-Campos-Mayoral ,&nbsp;M. Ángeles-Castellanos","doi":"10.1016/j.morpho.2023.100760","DOIUrl":"10.1016/j.morpho.2023.100760","url":null,"abstract":"<div><h3>Background</h3><p>Myocardial bridge (MB) is described as an abnormal band of myocardium covering a variable portion of any coronary artery.</p></div><div><h3>Methods</h3><p>The current study explores the presence of MB throughout the coronary arterial system and provides a morphometric description through instrumented dissection of a sample of 100 human hearts. The study shows a higher prevalence of MB in the Mexican population than in previous reports.</p></div><div><h3>Results</h3><p>In the total sample (<em>n</em> <!-->=<!--> <!-->100), MB was identified in 96% of it. A total of 421 MBs were observed, with a mean of 4.38<!--> <!-->mm (±<!--> <!-->0.28) per dissected heart. The most frequently affected vessel is the anterior interventricular artery where a total of 52 MBs were found, of the total sample studied.</p></div><div><h3>Discussion</h3><p>The high prevalence of MB among Mexican patients could be the result of a genetic association for this population or the neoformation of MB after birth due to lifestyle-associated factors. Further studies are required to better understand the high prevalence of MB among Mexican subjects.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139075347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Screening of voice disorders concerning anatomy teachers who use formaldehyde cadaveric parts in laboratory classes","authors":"Bruno Januario Braz da Silva ,&nbsp;Cesar Augusto dos Santos Andrade ,&nbsp;Isis Zuli Soares Gonçalves ,&nbsp;Geraldo José Medeiros Fernandes ,&nbsp;Sulene Pirana ,&nbsp;Flávio Bittencourt ,&nbsp;Daniel Martinez Saez ,&nbsp;Gisele Miyamura Martins Beber ,&nbsp;Tulio de Almeida Hermes ,&nbsp;Evelise Aline Soares","doi":"10.1016/j.morpho.2023.100757","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100757","url":null,"abstract":"<div><p>Voice disorders are common among teachers and, in particular, anatomy teachers are exposed to a potential enemy for dysphonia, irritating chemicals, that is, formaldehyde. We seek to verify the association between: (1) teaching time, (2) type of cadaveric conservation to which the teacher is exposed and (3) hours of exposure to cadaveric preservative related to the different categories of voice disorders screening (ITDV). The sample consisted of 111 teachers who answered to 02 data collection instruments: I - Sociodemographic Data; II - ITDV. Among participating teachers there were 71 male and 40 female, with an average age of 43 years and 11 months and an average teaching time of 16 years and 5 months. Association tests between teaching time and ITDV demonstrate a significant result in the relationship between voice failure and teaching time (p<!--> <!-->&lt;<!--> <!-->0.05). All 111 teachers use their voices in laboratory classes and use cadaveric material. From those, 107 teachers are exposed to formaldehyde as cadaveric parts’ conservative solution. There was a significant association (p<!--> <!-->&lt;<!--> <!-->0.05) between voice failure and the type of cadaveric conservative solution but non-significant relationship (p<!--> <!-->&gt;<!--> <!-->0.05) between ITDV and the time of exposure to formaldehyde preservative. Teachers’ ITDV showed vocal signs and symptoms. In particular, voice loss due to time of teaching in anatomy, and voice failure, due to exposure to formaldehyde and combinations used in anatomical parts and cadavers, were significant.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138839070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dental age estimation methods applied to Indian children and adolescents: A systematic review and meta-analysis","authors":"A. Shoukath ,&nbsp;M.T.C. Vidigal ,&nbsp;W. Vieira ,&nbsp;L.R. Paranhos ,&nbsp;S. Mânica ,&nbsp;A. Franco","doi":"10.1016/j.morpho.2023.100758","DOIUrl":"10.1016/j.morpho.2023.100758","url":null,"abstract":"<div><p><span>Country-specific systematic reviews and meta-analyses have been proposed to compile the available literature and rank methods based on their performance for a target population. India is a country with a vast scientific literature on dental age estimation. This systematic review aimed to provide evidence to help the decision of experts regarding the method of choice for dental age estimation in India. The research protocol was registered in Open Science Framework. Literature Search was performed in Embase<span>, LILACS, MedLine (via PubMed), SciELO, Scopus and Web of Science. Grey Literature was searched in Google Scholar and ProQuest. Observational cross-sectional studies that compared chronological and estimated ages using Demirjian (original [DEM] and Chaillet's modification [modified-DEM]) and Acharya (ACH) methods were included. JBI tool was used to assess the risk of bias. The search detected 9799 studies, out of which 56 were eligible (</span></span><em>n</em> <!-->=<!--> <!-->13,107 panoramic radiographs of Indian individuals). Low risk of bias was registered for 48 studies, while 8 presented a moderate risk of bias. The meta-analysis showed a standardized mean difference between chronological and estimated ages of −0.11 (95%CI: −0.29; 0.07), 0.74 (95%CI: 0.39; 1.09), and −0.01 (95%CI: −0.23; 0.22) years for DEM, modified-DEM and ACH, respectively. High heterogeneity (I² <!-->=<!--> <!-->88–93%) was observed across studies for all the methods, including subgroup analyses based on sex. This study ranked ACH, DEM and modified-DEM (from the best to the worse) performances in the Indian population.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138832078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Methods and outcomes of teaching functional anatomy of the musculoskeletal system: A scoping review","authors":"D. Chytas ,&nbsp;M. Piagkou ,&nbsp;G. Tsakotos ,&nbsp;V. Protogerou ,&nbsp;T. Demesticha ,&nbsp;K. Natsis","doi":"10.1016/j.morpho.2023.100729","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100729","url":null,"abstract":"<div><h3>Purpose</h3><p>Although musculoskeletal anatomy is inherently related to motion, there is a lack of evidence review about the best teaching practices for the locomotor apparatus functional anatomy. We aimed to detect the strategies that have been implemented for functional musculoskeletal anatomy education, and their outcomes, with the ultimate purpose of suggesting the most effective teaching methods.</p></div><div><h3>Methods</h3><p><span>The databases PubMed, Scopus, ERIC, and </span>Cochrane Library were searched for papers with the purpose of exploring the outcomes (participants’ perceptions and/or examination performance) of teaching functional musculoskeletal anatomy. From each study, the following information was extracted: author(s), number of participants, implementation method, participants’ perceptions and/or examination performance after the educational intervention, and classification of the outcomes according to the Kirkpatrick hierarchy.</p></div><div><h3>Results</h3><p>Seven papers were included. Six of them involved active learning strategies (other than seeing, listening, and taking notes). Several specific teaching methods were implemented, including physical activities, lectures, textbooks, atlases, prosected specimens, near-peer teaching, and digital and physical models. Overall, methods that involved active learning, especially some form of physical activity, had the best educational outcomes, while passive learning was not found to be significantly more effective in any case. The role of modern anatomy education technologies has been inadequately explored.</p></div><div><h3>Conclusions</h3><p>It appears that teaching functional musculoskeletal anatomy is more successful when using active learning methods, especially involving some form of physical activity. More research is necessary to determine the best environment for these methods and investigate the role of modern technologies in functional musculoskeletal anatomy education.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138438303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of factors that influence the relationship between mental rotation ability and anatomy learning","authors":"M.S. Yousuf ,&nbsp;A. Alsawareah ,&nbsp;A. Alhroub ,&nbsp;H. Albalawneh ,&nbsp;O. Ajhar ,&nbsp;M. Al Qassem ,&nbsp;A. Daboul","doi":"10.1016/j.morpho.2023.100728","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100728","url":null,"abstract":"<div><h3>Background</h3><p>Mental rotation is a cognitive process that involves the rotation of a mental representation of an object. This ability is important for medical students in studying anatomy as this subject requires the understanding of positional relations between organs.</p></div><div><h3>Objectives</h3><p>To find the effect of video learning of anatomy, training, gender, and type of practical exam on mental rotation ability. Also, to find correlation between mental rotation and anatomy scores.</p></div><div><h3>Methods</h3><p>Two groups were recruited: group A studied practical anatomy online using videos due to the COVID-19 pandemic lockdown; group B studied anatomy labs on-campus on plastic models. Both groups underwent a mental rotation test. Group A took labs on-campus during their second year and this was considered a training course for their mental rotation ability. Both groups, then, took a second mental rotation test. Group A was finally given a practical anatomy exam using plastic models.</p></div><div><h3>Results</h3><p>Males scored higher than females, though not significantly. The intervention course produced no significant change in mental rotation score of group A. Mental rotation score was correlated more with the theoretical anatomy exams than the MCQ-based practical exam, for both groups. For group A, mental rotation was better correlated with the model-based than the MCQ-based practical exam, especially the post-training score.</p></div><div><h3>Conclusion</h3><p>For students to take full advantage of their mental rotation ability, not only their practical anatomy sessions but their practical anatomy exams should be on anatomical specimens and not just videos or images.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138230179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Caractérisation de la dynamique mitochondriale dans les PBMC chez les patients atteints de la maladie d’Alzheimer et de la maladie à corps de Lewy","authors":"Périne Millot ,&nbsp;Claire Paquet ,&nbsp;Claire Pujol ,&nbsp;François Mouton-Liger","doi":"10.1016/j.morpho.2023.100694","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100694","url":null,"abstract":"<div><h3>Introduction et objectifs</h3><p>L’altération de la dynamique mitochondriale dans les maladies neurodégénératives est présentée ces dernières années comme un mécanisme physiopathologique précoce affectant les neurones et les cellules gliales, et pouvant être observés dans les cellules immunitaires périphériques de patients <span>[1]</span>, <span>[2]</span>. Dans la maladie d’Alzheimer (MA), ces altérations ont été principalement explorées dans des échantillons post-mortem de cerveau. Ces études ont mis en évidence des niveaux d’expression anormale de protéines impliqués dans la fission et fusion mitochondriale <span>[3]</span>. L’équilibre entre les mécanismes de fission et de fusion est essentiel pour maintenir un pool de mitochondries fonctionnelles à l’intérieur de la cellule. Dans la maladie à corps de Lewy (MCL), le rôle potentiel de la dysfonction mitochondriale n’a été que peu exploré.</p><p>Dans ce contexte, l’objectif de ces travaux a été d’explorer si une altération de la dynamique mitochondriale, en particulier, un déséquilibre de la fusion et de la fission mitochondriales pourrait être détecté dans les cellules mononucléaires du sang périphérique (PBMC) chez les patients MA et MCL.</p></div><div><h3>Matériels et méthodes</h3><p>Notre étude est une étude rétrospective monocentrique, utilisant des PBMC dérivés du sang de patients atteints de la MA, de la MCL et de contrôles neurologiques. Ils sont suivis dans le centre de neurologie clinique de l’hôpital Fernand Widal. Les PBMC ont été isolés et entreposés dans la biobanque de l’hôpital Lariboisière. La concentration en protéines a été mesurée par immunoblot.</p></div><div><h3>Résultats</h3><p>Nos résultats montrent que la protéine impliquée dans la fission FIS1 est fortement augmentée dans les PBMC des patients MA et MCL par rapport aux sujets témoins. Cette altération s’accompagne de dérégulations spécifiques pour la MA et la MCL des protéines de la fusion mitochondriale comme OPA1 ou MFN2, suggérant l’implication de mécanismes différents dans ces deux maladies. Ces nouvelles découvertes ouvrent la voie à l’exploration des protéines impliquées dans l’homéostasie mitochondriale au niveau périphérique.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138345116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Traitement prénatal des troubles du neurodéveloppement : étude de l’effet d’un peptide neuroprotecteur chez un modèle murin de trisomie 21","authors":"Rodolphe Dard ,&nbsp;Manon Moreau ,&nbsp;François Vialard ,&nbsp;Nathalie Janel","doi":"10.1016/j.morpho.2023.100624","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100624","url":null,"abstract":"<div><p>La trisomie 21(T21) est la plus fréquente des maladies chromosomiques avec une fréquence allant jusqu’à 1/400 au premier trimestre de grossesse. Les patients porteurs de T21 présentent de multiples comorbidités, inconstantes mais pour lesquelles il existe en général une prise en charge médicale ou chirurgicale. La déficience intellectuelle (DI) est en revanche constante et responsable d’un handicap permanent. L’origine de la DI dans la T21 n’est pas encore complètement comprise, mais la présence de signes dès la naissance laisse suspecter un trouble du neurodéveloppement (TND) d’apparition prénatale.</p><p>La T21 est dépistée de manière de plus en plus efficace et précoce au premier trimestre de grossesse, ouvrant alors la possibilité d’un traitement in utero.</p><p>Il n’y a pas actuellement de consensus sur les anomalies morphologiques, histologiques, cellulaires ou moléculaires à l’origine du TND dans la T21. La surexpression de la protéine tyrosine kinase, facteur de transcription DYRK1A est au centre de l’attention, mais la physiopathologie au-delà reste à caractériser.</p><p>Il a été rapporté notamment un excès de neuro-inflammation et une activation microgliale dans la T21. Nous nous sommes intéressés à l’effet d’un traitement prénatal par peptide anti-neuro-inflammatoire chez un modèle murin de trisomie 21 (Dp16). Des études histologiques, moléculaires et de comportement chez ces souris traitées in utero nous ont permis de dégager des effets encourageants et de mieux caractériser le TND chez ce modèle.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138412467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Création d’un programme d’enseignement aux urétroplasties","authors":"Pierre-Yves Rabattu ,&nbsp;Bernard Boillot","doi":"10.1016/j.morpho.2023.100650","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100650","url":null,"abstract":"<div><h3>Introduction et objectifs</h3><p>L’urétroplastie est le traitement de référence des sténoses de l’urètre bulbaire ou membraneux longues ou récidivantes <span>[1]</span>. La complexité technique de cette intervention, et la grande variété des sténoses retrouvées rendent l’apprentissage de cette chirurgie difficile, même pour un chirurgien expérimenté. L’augmentation du nombre de chirurgiens en formation, la nécessité d’efficacité en salle d’opération diminuent les possibilités d’enseignement au bloc opératoire <span>[2]</span>. L’acquisition de cette technique uniquement à partir de l’expérience de la salle d’opération est donc insuffisante.</p><p>Une revue systématique de la littérature a rapporté que les plateformes d’apprentissage chirurgical en ligne sont des outils d’enseignement efficaces permettant de développer un large éventail de compétences cognitives chirurgicales <span>[3]</span>.</p><p>Le modèle cadavérique a déjà été utilisé avec succès pour simuler des interventions urogénitales complexes <span>[4]</span>.</p><p>Aucun programme d’enseignement de l’urétroplastie sur cadavre n’a été rapporté.</p><p>L’objectif de cette étude est d’évaluer l’intérêt d’un programme d’enseignement de l’urétroplastie pour des chirurgiens en formation.</p></div><div><h3>Matériels, patients et méthodes</h3><p>Nous avons créé un programme d’enseignement de l’urétroplastie, divisé en deux étapes :</p><p>– un enseignement théorique par des vidéos anatomiques et chirurgicales illustrant les principaux temps opératoires de l’intervention selon une description standardisée ;</p><p>– un enseignement pratique sur des corps donnés à la science avec réalisation d’une urétroplastie étape par étape, encadrée et évaluée par un chirurgien expert.</p></div><div><h3>Résultats</h3><p>Pour la partie théorique, nous avons créé une plateforme d’apprentissage en chirurgie urétrale (<span>https://progress-in-urethral-surgery.org/</span><svg><path></path></svg>).</p><p>Pour la partie pratique, Le chirurgien en formation réalise l’ensemble des temps chirurgicaux, excepté le prélèvement du greffon de muqueuse buccale (un fragment cutané est utilisé comme greffon).</p><p>L’évaluation se fait par un questionnaire standardisé (démographique, auto-évaluation et satisfaction) et par un chirurgien expert (évaluation objective et subjective).</p></div><div><h3>Conclusion</h3><p>Nous envisageons la mise en place d’une étude auprès de chirurgiens urologues en formation pour évaluer l’intérêt d’un programme d’enseignement pour l’enseignement de l’urétroplastie.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138430494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Déhiscence du processus épineux ou rachischisis postérieur de C2 dans sa forme mineure","authors":"Assia Benhaddad ,&nbsp;Abdelwahab Bayoud ,&nbsp;Mohamed Aggouni ,&nbsp;Monia Namouni","doi":"10.1016/j.morpho.2023.100684","DOIUrl":"https://doi.org/10.1016/j.morpho.2023.100684","url":null,"abstract":"<div><h3>Introduction</h3><p>L’axis ou 2^e vertèbre cervicale, réalise une transition entre l’atlas et la vertèbre type. Il est caractérisé par l’existence d’un gros processus odontoïde, reliquat du corps de l’atlas qui s’est fusionné avec l’axis.</p><p>Il présente à décrire un corps, des processus transverses, des processus articulaires ; un processus épineux et un foramen vertébral.</p><p>Une des malformations vertébrales mineures et asymptomatiques est la déhiscence du processus épineux ou rachischisis postérieur qui résulte d’un défaut de fermeture de l’arc neural, dont la fente est comblée par un tissu fibrocartilagineux, associée parfois à d’autres malformations.</p><p>Nous illustrons dans ce travail des iconographies d’un jeune malade âgé de 21 ans, adressé chez nous au service d’Imagerie pour l’exploration d’un torticolis asymptomatique, chez qui une TDM du rachis cervical a été effectuée, complétée par une IRM médullaire, objectivant une anomalie de la charnière cervico-occipitale.</p></div><div><h3>Matériel</h3><p>L’examen a été réalisé à l’aide d’un scanner multicoques de 64 barrettes et une IRM 1,5 TESLA.</p></div><div><h3>Méthode et protocole</h3><p>Acquisition volumique avec reconstruction multiplanaire sans injection intraveineuse de produit de contraste iodé au scanner.</p><p>Séquences morphologiques d’une IRM médullaire du rachis cervicale.</p></div><div><h3>Résultats</h3><p>L’analyse tomodensitométrique a objectivé un défaut de fermeture de l’arc neural de C2, sans anomalies médullaires notables à l’IRM.</p></div><div><h3>Conclusion</h3><p>La déhiscence du processus épineux ou rachischisis postérieur d’une vertèbre cervicale, est une malformation congénitale de la charnière cervico-occipitale, très fréquente dans sa forme mineure quand la malformation est purement osseuse vertébrale, sans anomalie médullaire, dont il faut toujours y penser au cours des torticolis juvéniles asymptomatiques.</p></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138430505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}