Os paratrapezium
Accessory
ossicles of the wrist • Ossicles of the wrist and hand - Ganzer Fall bei Radiopaedia
Os
paratrapezium • Os paratrapezium - Ganzer Fall bei Radiopaedia
Os paratrapezium is an accessory ossicle located between distal and radial aspect of the radius and the base of the 1metacarpal .
Differential diagnoses include loose bodies secondary to trapreziometacarpal joint osteoarthritis or secondary to trauma (e.g. Bennett's fracture) .