5th carpometacarpal joint dislocation
Updates to Case Attributes
An example of 5th 5th carpometacarpal joint dislocation. This injury is often missed by the inexperienced reader which is why CMC CMC joint alignment is an important check area when assessing hand hand and wrist radiographs.
The 5th5th CMC joint space should normally be seen on the AP projection as a thin space between the metacarpal base and the the hamate, or sometimes there may be slight overlap overlap of the bones. There should never be a large degree of bony overlap and certainly, the metacarpal base should not be seen anywhere near the triquetral as in this case. On a normal lateral lateral projection the, the metacarpal bases should should largely overlap overlap one another, without any onesingle base significantly offset compared to the others.
-<p>An example of 5th <a href="/articles/carpometacarpal-joint-dislocation">carpometacarpal joint dislocation</a>. This injury is often missed by the inexperienced reader which is why CMC joint alignment is an important check area when assessing hand and wrist radiographs.</p><p>The 5th CMC joint space should normally be seen on the AP projection as a thin space between the metacarpal base and the hamate, or sometimes there may be slight overlap of the bones. There should never be a large degree of bony overlap and certainly the metacarpal base should not be seen anywhere near the triquetral as in this case. On a normal lateral projection the metacarpal bases should largely overlap one another, without any one base significantly offset compared to the others. </p>- +<p>An example of 5<sup>th </sup><a href="/articles/carpometacarpal-joint-dislocation">carpometacarpal joint dislocation</a>. This injury is often missed by the inexperienced reader which is why CMC joint alignment is an important check area when assessing hand and wrist radiographs.</p><p>The 5<sup>th</sup> CMC joint space should normally be seen on the AP projection as a thin space between the metacarpal base and the hamate, or sometimes there may be slight overlap of the bones. There should never be a large degree of bony overlap and certainly, the metacarpal base should not be seen anywhere near the triquetral as in this case. On a normal lateral projection, the metacarpal bases should largely overlap one another, without any single base significantly offset compared to the others. </p>
Systems changed:
- Trauma
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