Journal of Musculoskeletal Trauma

Original Articles

Radiologic Analysis of Distal Radius Fracture Accompanying Spontaneous Extensor Pollicis Longus Rupture: Jun Ku Lee, In Tae Hong, Young Woo Kwon, Gyu Chol Jang, Soo Hong Han; J Korean Fract Soc 2017;30(2):63-68. Published online April 30, 2017; DOI: https://doi.org/10.12671/jkfs.2017.30.2.63

Abstract PDF: PURPOSE
The spontaneous extensor pollicis longus (EPL) tendon rupture is a well-documented complication of non-displaced or minimally displaced distal radius fracture. Authors analyzed the radiographs of patients treated for closed EPL rupture after distal radius fracture.
MATERIALS AND METHODS
Twenty-eight patients (21 females, 7 males; average age of 58 years) with tendon transfer for spontaneous rupture of EPL after distal radius fracture were included. Wrist radiographs were taken at the first visit with EPL rupture. On the lateral view, posterior cortical displacement, distance from highest point in Lister's tubercle to fracture line, and height of the Lister's tubercle were measured. The distance from the lunate facet to the fracture line was measured on anteroposterior view. Radiologic change at the time of EPL rupture around the Lister's tubercle was evaluated by comparing it with the contra lateral wrist radiograph. Radial beak fracture pattern was also identified.
RESULTS
The interval between the injury and the spontaneous EPL rupture varied from 2 to 20 weeks, with an average of 6.7 weeks. There were 25 cases of non-displacement, 3 cases of mean 2.0 mm cortical displacement. The average distance from the lunate facet to the fracture line was 9.1 mm (3-12.1 mm), from the highest point in Lister's tubercle to the fracture line was 3.0 mm toward proximal radius (1.7-4.9 mm). The average height of the Lister's tubercle was 3.4 mm in the injured wrist and 3.1 mm in the opposite wrist. Radial beak fracture pattern was shown at 11 cases.
CONCLUSION
All cases presented no or minimal displaced fracture, and the fracture line was in the vicinity of the Lister's tubercle. Those kinds of fractures can highlight the possibility of spontaneous EPL rupture, depites its rarity.

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Radiologic Analysis and Treatment of Posterior Malleolar Fractures of the Ankle: Jae Sung Lee, Soo Yong Kang, Han Jun Lee, Young Bong Ko; J Korean Fract Soc 2009;22(2):98-103. Published online April 30, 2009; DOI: https://doi.org/10.12671/jkfs.2009.22.2.98

PURPOSE
The purpose of this study was to classify posterior malleolar fractures according to the position of fragments and to analyze radiologic features of each type.
MATERIALS AND METHODS
We analyzed forty-six patients of ankle fractures involving a posterior malleolus who were treated between January 2004 and December 2007. The posterior malleolar fractures were categorized into three types (posterolateral, posteromedial, shell) based on the major fracture line. In each type, we analyzed amount of displacement, involvement of articular surface, existence of subluxation and osteochondral impacted fragments.
RESULTS
The forty-six patients were categorized into three types: Posterolateral (PL) type (33 cases, 72%), Posteromedial (PM) type (8 cases, 17%), shell type (5 cases, 11%). Of the 8 cases with PM type, 7 cases showed displacement more than Grade II, 4 cases showed subluxation of ankle joint, and 3 cases showed osteochondral impacted fragment. Average involvement of articular surface of PM type is 35% (15~65%).
CONCLUSION
Posterior malleolar fractures with medial extension tended to have adverse effect on ankle stability and Preoperative CT scan is essential for evaluation of fracture type and determination of appropriate surgical approach.

Citations

Citations to this article as recorded by

Treatment of Isolated Posterior Malleolus Fracture in the Ankle
Ji Hoon Kim, Seong Mu Cha, Dae Yeon Jo, Jin Soo Suh
Journal of the Korean Orthopaedic Association.2014; 49(1): 29. CrossRef

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