Os styloideum
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/6/5/9/5/Carpal-boss-xray_thumb.jpg)
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/6/5/9/4/Carpal-boss-ct-sag_thumb.jpg)
Carpal boss
in der Computertomographie: 2 nebeneinander liegende Schichten einer sagittalen MPR.
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/6/5/9/3/Carpal-boss-3d_thumb.jpg)
Carpal boss
in der Computertomographie: VR-3D-Rekonstruktion. Pseudarthrotische Verbindung der Knochenvorsprünge am Metacarpale 3 und am Os trapezoideum.
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/8/2/2/1/Os_styloideum_45jw_-_Roe_2_Eb_-_001_thumb.jpg)
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/9/6/3/9/Os_styloideum_19M_-_CR_seitlich_-_001_thumb.jpg)
![](https://pacs.de/sites/default/files/pictures/thumbs/data.pacs.de/1/1/3/8/2/9/46adb6effd8a920efa4feb5bc9ff21_big_gallery_thumb.jpg)
Accessory
ossicles of the wrist • Ossicles of the wrist and hand - Ganzer Fall bei Radiopaedia
![](https://pacs.de/sites/default/files/pictures/thumbs/data.pacs.de/1/1/4/0/0/3/ad9f0e1fc56dfb093e89ed669ed0a79be463837d5c6507618b7d23b46ab57ff6_big_gallery_thumb.jpg)
Os styloideum
• Os styloideum - Ganzer Fall bei Radiopaedia
![Hier werden Begriffe / Krankheitsbilder genannt, die ähnlich sind oder klingen, aber nicht das Gleiche sind.](/sites/all/modules/pacs/tools/imgs/Dont_mix_40.png)
The os styloideum is an accessory ossicle of the wrist, situated between the 2and 3metacarpal bases.
Radiographic appearance
Given its position next to the 2 and 3 metacarpal bases, it may be mistaken for a fracture, though this should not occur if an adequate lateral radiograph is assessed .
Related pathology
It may be implicated in degenerative conditions such as osteoarthritis with localized pain occurring at this region .
Differential diagnosis
Siehe auch:
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