Os triquetrum secundarium

Os
triangulare: Rundliches Ossikel distal des ansonsten unauffälligen Processus styloideus ulnae. DD alte Fraktur des PSU.
Wikipedia • CC BY-SA 4.0
Os
triangulare: Rundliches Ossikel distal des ansonsten unauffälligen Processus styloideus ulnae. DD alte Fraktur des PSU.
Wikipedia • CC BY-SA 4.0
Accessory
ossicles of the wrist • Ossicles of the wrist and hand - Ganzer Fall bei Radiopaedia
Jones J, Ossicles of the wrist and hand. Case study, Radiopaedia.org (Accessed on 23 Nov 2022) https://doi.org/10.53347/rID-24102 • CC by-nc-sa 3.0 (modified)
nicht verwechseln mit: Os trigonum / Os lunula
Radiopaedia • CC-by-nc-sa 3.0 • de

The os triangulare (also known as the os intermedium antebrachii or os triquetrum secundarium) is an accessory ossicle located between the ulnar styloid, lunate and triquetrum .

They may be unilateral or bilateral and the main differential diagnosis is non-union of an ulnar styloid process fracture .

Differential diagnosis

Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu Os triangulare:
Akzessorische
Handknochen
Wikipedia • CC0
Os styloideum
ulnae
Wikipedia • CC BY-SA 4.0