PMID: 9191423May 1, 1997Paper

Isolated fracture of the posterolateral tibial lip (Volkmann's triangle)

Acta Radiologica
E Neumaier ProbstN M Meenen

Abstract

To retrospectively evaluate the underlying pathomechanism of isolated fracture of the posterolateral tibial lip (Volkmann's triangle), and to demonstrate associated radiographic methods. Retrospective analysis of 2500 ankle lesions showed an isolated fracture of the dorsal tibial lip in 25 cases. Distal tibial lesions of growing individuals were not considered. All patients were examined by radiography in internal oblique and lateral views. Sixteen of 25 patients had had their accident during winter; 11 had slipped on ice or snow. All 25 patients showed a closed ankle lesion in the correct joint position with no clinical signs of instability. Evaluation of the standard images showed isolated fracture of the posterolateral tibial lip in 24 patients. The fracture was best recognized in the standard lateral view in 22 patients. In 2 patients the lateral stress projection demonstrated the fracture (20 degrees internal rotation). In one case the fracture was only seen on axial CT images. Twenty-two patients with small wedge fragments were treated conservatively; 3 with a displaced and large fragment had surgical revision and stabilization. Sixteen cases were examined by conventional radiography at follow-up examination and 5 of thes...Continue Reading

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