Weber classification of ankle fractures
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The Weber ankle fracture classification (or Danis-Weber classification) is a simple system for classification of lateral malleolar fractures, relating to the level of the fracture in relation to the ankle joint. It has a role in determining treatment.
Classification
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type A
- below the level of the talar dome
- usually transverse
- tibiofibular syndesmosis intact
- deltoid ligament intact
- medial malleolus often fractured
- usually stable if medial malleolus intact
-
type B
- distal extent at the level of the talar dome; may extend some distance proximally
- usually spiral
- tibiofibular syndesmosis usually intact, but widening of the distal tibiofibular joint (especially on stressed views) indicates syndesmotic injury
- medial malleolus may be fractured
- deltoid ligament may be torn, indicated by widening of the space between the medial malleolus and talar dome
- variable stability, dependent on the status of medial structures (malleolus/deltoid ligament) and syndesmosis; may require ORIF
- Weber B fractures could be further subclassified as 9
- B1: isolated
- B2: associated with a medial lesion (malleolus or ligament)
- B3: associated with a medial lesion and fracture of posterolateral tibia
-
type C
- above the level of the ankle joint
- tibiofibular syndesmosis disruption with widening of the distal tibiofibular articulation
- medial malleolus fracture or deltoid ligament injury often present
- fracture may arise as proximally as the level of fibular neck and not visualised on ankle films, requiring knee or full-length tibia-fibula radiographs (Maisonneuve fracture)
- unstable: usually requires ORIF
- Weber C fractures can be further subclassified as 6
- C1: diaphyseal fracture of the fibula, simple
- C2: diaphyseal fracture of the fibula, complex
-
C3: proximal fracture of the fibula
- fracture above the syndesmotic result from external rotation or abduction forces that also disrupt the syndesmosis
- usually associated with an injury to the medial side
History and etymology
This classification was first described by the Belgian general surgeon, Robert Danis (1880-1962), in 1949 and. It was later modified and popularised by the Swiss orthopaedic surgeon, Bernhard Georg Weber in(1929-2002), in 1972 2:.
Robert Danis(1880-1962), general, thoracic, and vascular surgeon, Brussels. Pioneer of internal fixation techniques-
Bernhard Georg Weber(1929-2002), orthopaedic surgeon, St Gall, Switzerland1,4
See also
-</ul><p>History and etymology</p><p>This classification was first described by <strong>Danis</strong> in 1949 and later modified and popularised by <strong>Weber </strong>in 1972 <sup>2</sup>:</p><ul>-<li><strong><strong>Robert Danis</strong> (1880-1962), general, thoracic, and vascular surgeon, Brussels. Pioneer of internal fixation techniques </strong></li>-<li>-<strong>Bernhard Georg Weber</strong> (1929-2002), orthopaedic surgeon, St Gall, Switzerland <sup>1,4</sup>-</li>-</ul><p>See also</p><ul><li><a href="/articles/lauge-hansen-classification-of-ankle-injury">Lauge-Hansen classification</a></li></ul>- +</ul><h4>History and etymology</h4><p>This classification was first described by the Belgian general surgeon, <strong>Robert Danis</strong> (1880-1962), in 1949. It was later modified and popularised by the Swiss orthopaedic surgeon, <strong>Bernhard Georg Weber </strong>(1929-2002), in 1972 <sup>2</sup>.</p><h4>See also</h4><ul><li><p><a href="/articles/lauge-hansen-classification-of-ankle-injury">Lauge-Hansen classification</a></p></li></ul>
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