{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T01:34:11Z","timestamp":1784943251400,"version":"3.55.0"},"reference-count":84,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T00:00:00Z","timestamp":1679961600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T00:00:00Z","timestamp":1679961600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"University of Bern"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Orthop\u00e4die"],"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:title>Zusammenfassung<\/jats:title><jats:sec>\n                <jats:title>Hintergrund<\/jats:title>\n                <jats:p>Die H\u00fcftdysplasie ist ein bekannter Grund f\u00fcr H\u00fcftschmerzen bei Jugendlichen und jungen Erwachsenen. Die pr\u00e4operative Bildgebung wurde durch die Fortschritte der MRT in den letzten Jahren immer wichtiger und hat heute einen hohen Stellenwert.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Ziel der Arbeit<\/jats:title>\n                <jats:p>Dieser Artikel soll einen \u00dcberblick \u00fcber die pr\u00e4operative Bildgebung bei H\u00fcftdysplasie geben. Die azetabul\u00e4re Version, assoziierte femorale Deformit\u00e4ten (Cam-Deformit\u00e4t, Valgus und femorale Antetorsion) und intraartikul\u00e4re Pathologien (Labrum- und Knorpelsch\u00e4den) sowie verschiedene Messmethoden und Normwerte werden beschrieben.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methoden<\/jats:title>\n                <jats:p>Die pr\u00e4operative Bildgebung bei H\u00fcftdysplasie beginnt mit dem a.\u202fp. Becken-R\u00f6ntgenbild.<\/jats:p>\n                <jats:p>Die Schnittbildgebung (CT oder MRT) ist der Goldstandard zur Beurteilung der azetabul\u00e4ren Version, der Cam-Deformit\u00e4t und zur Messung der femoralen Antetorsion. Die azetabul\u00e4re Version und \u00dcberdachung sowie assoziierte femorale Deformit\u00e4ten k\u00f6nnen detailliert analysiert werden. F\u00fcr die femorale Antetorsion sollten die verschiedenen Messmethoden und Normalwerte ber\u00fccksichtigt werden. Diese sind vor allem bei Patienten mit erh\u00f6hter femoraler Antetorsion zu beachten. Die MRT erm\u00f6glicht die Beurteilung der Labrumhypertrophie und subtile Zeichen der H\u00fcftinstabilit\u00e4t. 3\u2011D-Knorpelmapping mittels MRT erm\u00f6glicht eine Quantifizierung der Knorpeldegeneration. Oss\u00e4re 3D\u00a0Modelle mittels 3D\u2011CT und zunehmend mittels MRT erm\u00f6glichen zudem die Detektion extraartikul\u00e4rer Pathologien, (z.\u202fB. ischiofemorales Impingement) die als Differenzialdiagnosen zu ber\u00fccksichtigen sind.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Ergebnisse und Diskussion<\/jats:title>\n                <jats:p>Die H\u00fcftdysplasie kann in anteriore, laterale und posteriore Dysplasie eingeteilt werden. Kombinierte Deformit\u00e4ten sind bei der H\u00fcftdysplasie h\u00e4ufig, eine Cam-Deformit\u00e4t kann bei bis zu 86\u202f% der Patienten vorliegen. Valgusdeformit\u00e4ten wurden bei 44\u202f% beschrieben. Eine H\u00fcftdysplasie kombiniert mit erh\u00f6hter femoraler Antetorsion kann bei bis zu 52\u202f% der Patienten vorliegen. Bei erh\u00f6hter femoraler Antetorsion kann zudem ein posteriores intra- und extraartikul\u00e4res (ischiofemorales) Impingement zwischen dem Trochanter minor und dem Tuber ischiadicum auftreten. Labruml\u00e4sionen und -hypertrophie, subchondrale Zysten und Knorpelsch\u00e4den sind typische Kollateralsch\u00e4den bei Patienten mit H\u00fcftdysplasie. Die Hypertrophie des M.\u00a0iliocapsularis ist ein Instabilit\u00e4ts Zeichen. Bei der pr\u00e4operativen Bildgebung sind sowohl die azetabul\u00e4re Version und Morphologie als auch die femoralen Deformit\u00e4ten zu ber\u00fccksichtigen. Labrum- und Knorpelsch\u00e4den sowie die assoziierten Deformit\u00e4ten (u.\u202fa. Cam-Deformit\u00e4t und femorale Antetorsion) sind wichtig f\u00fcr die Therapieplanung von Patienten mit H\u00fcftdysplasie. Die biochemische MRT-Bildgebung mittels Knorpelmapping-Techniken (u.\u202fa. dGEMRIC) hat gro\u00dfes Potenzial die pr\u00e4operative Diagnostik und die Patientenselektion zu verbessern.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00132-023-04356-8","type":"journal-article","created":{"date-parts":[[2023,3,28]],"date-time":"2023-03-28T08:04:11Z","timestamp":1679990651000},"page":"300-312","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Pr\u00e4operative MRT-Bildgebung bei H\u00fcftdysplasie","Preoperative MR imaging for hip dysplasia"],"prefix":"10.1007","volume":"52","author":[{"given":"Till D.","family":"Lerch","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Florian","family":"Schmaranzer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,3,28]]},"reference":[{"key":"4356_CR1","doi-asserted-by":"publisher","first-page":"630","DOI":"10.1038\/nrrheum.2013.114","volume":"9","author":"R Agricola","year":"2013","unstructured":"Agricola\u00a0R, Waarsing\u00a0JH, Arden\u00a0NK et\u00a0al (2013) Cam impingement of the hip: a\u00a0risk factor for hip osteoarthritis. 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