Trapezoid fracture
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Trapezoid fractures are an uncommon the least common carpal fracture. They typically occur as the result of an axial force through the second metacarpal.
Epidemiology
They account for ~0.4% of all carpal fractures 1.
Radiographic features
The trapezoid is in a relatively immobile, and protected location hence the rarity of an isolated fracture. Given the wedged shape and weaker dorsal ligamentous support, fractures will dislocate in the dorsal direction 2. It is often associated with a second metacarpal fracture.
Treatment and prognosis
Treatment varies from conservative management to open reduction internal fixation, failure to recognise can lead to functional problems such as decreased grasp power 2.
-<p><strong>Trapezoid fractures</strong> are an uncommon carpal fracture. They typically occur as the result of axial force through the second metacarpal. </p><h4>Epidemiology</h4><p>They account for ~0.4% of all carpal fractures <sup>1</sup>.</p><h4>Radiographic features</h4><p>The trapezoid is in a relatively immobile, and protected location hence the rarity of an isolated fracture. Given the wedged shape and weaker dorsal ligamentous support, fractures will dislocate in the dorsal direction <sup>2</sup>. It is often associated with a second metacarpal fracture. </p><h4>Treatment and prognosis</h4><p>Treatment varies from conservative management to open reduction internal fixation, failure to recognise can lead to functional problems such as decreased grasp power <sup>2</sup>.</p>- +<p><strong>Trapezoid fractures</strong> are the least common <a href="/articles/carpal-bone-fractures">carpal fracture</a>. They typically occur as the result of an axial force through the second metacarpal. </p><h4>Epidemiology</h4><p>They account for ~0.4% of all carpal fractures <sup>1</sup>.</p><h4>Radiographic features</h4><p>The trapezoid is in a relatively immobile, and protected location hence the rarity of an isolated fracture. Given the wedged shape and weaker dorsal ligamentous support, fractures will dislocate in the dorsal direction <sup>2</sup>. It is often associated with a second metacarpal fracture.</p><h4>Treatment and prognosis</h4><p>Treatment varies from conservative management to open reduction internal fixation, failure to recognise can lead to functional problems such as decreased grasp power <sup>2</sup>.</p>
Systems changed:
- Trauma
- Musculoskeletal
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