![]() On the lateral view the posterior cortex of the tibia is interrupted indicating a fracture (blue arrow).Įven on the AP-view there are subtle findings that indicate a fracture (red arrows). Normally you probably would not have noticed these. There are subtle findings which indicate a fracture of the posterior malleolus. The fracture is classified according to Weber as a type B fracture.Īccording to Lauge Hansen the oblique fibular fracture indicates that this is a Supination Exorotation injury stage 2 or higher. Sometimes CT is needed to get a better impression of the size of the fracture fragment of the posterior malleolus.įracture of the lateral malleolus starting anteriorly at the level of the joint extending proximally posteriorly. The size of the posterior malleolar fragment is probably less than 25% of the articular AP-diameter and will need no separate repair. This is an unstable fracture with dislocation that needs surgical repair. Only now you notice the posterior malleolar fracture on the lateral view. Look for stage 3 (posterior syndesmotic rupture or avulsion of the posterior malleolus) and stage 4 (rupture of the deltoid ligament or medial malleolar avulsion). a Weber B fracture.Īccording to Lauge Hansen the oblique fibular fracture indicates Supination Exorotation injury stage 2 or higher. The fracture starts at the level of the ankle joint and extends proximally, i.e. The lateral malleolus is 'pushed off' from anterior to posterior. Avulsion fracture of the medial malleolar. White Matter Lesions - Differential diagnosisĭislocated bimalleolar fracture.How to Differentiate Carotid Obstructions.TI-RADS - Thyroid Imaging Reporting and Data System.Esophagus II: Strictures, Acute syndromes, Neoplasms and Vascular impressions.Esophagus I: anatomy, rings, inflammation.Vascular Anomalies of Aorta, Pulmonary and Systemic vessels.Contrast-enhanced MRA of peripheral vessels.Ischemic and non-ischemic cardiomyopathy.Coronary Artery Disease-Reporting and Data System 2.0.Bi-RADS for Mammography and Ultrasound 2013.Transvaginal Ultrasound for Non-Gynaecological Conditions.Acute Abdomen in Gynaecology - Ultrasound. ![]() Appendicitis - Pitfalls in US and CT diagnosis.Type A fractures are usually stable and can be managed with simple measures, such as a plaster of paris cast. They are inherently unstable and are more likely to require operative repair to achieve a good outcome. medial malleolus fracture or deltoid ligament injury presentĬategories B and C imply a degree of damage to the syndesmosis itself (which cannot be directly visualised on X-ray).tibiofibular syndesmosis disrupted with widening of the distal tibiofibular articulation.medial malleolus may be fractured or deltoid ligament may be tornįracture of the fibula proximal to the syndesmosis.tibiofibular syndesmosis intact or only partially torn, but no widening of the distal tibiofibular articulation.at the level of the ankle joint, extending superiorly and laterally up the fibula.usually stable: occasionally nonetheless requires an open reduction and internal fixation (ORIF) particularly if medial malleolus fracturedįracture of the fibula at the level of the syndesmosis.medial malleolus occasionally fractured.It has three categories: Type Aįracture of the fibula distal to the syndesmosis (the connection between the distal ends of the tibia and fibula). The Danis–Weber classification (often known just as the Weber classification) is a method of describing ankle fractures.
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