Navicular fracture wrist11/13/2023 ![]() Only a few cases have been described in which an isolated trapezium fracture has occurred due to a fall on outstretched hand. ) type I: horizontal sagittal split, type IIa: medial distal avulsion, type IIb: medial proximal avulsion, type III: lateral distal avulsion, type IV: vertical sagittal split, type V: communitive. The fracture of the trapezium can be classified according to the Walker's classification ( Often, the fracture also accompanies other injuries such as Rolando's or Bennett's fracture dislocation, scaphoid fracture, and usually a dislocation of the first carpometacarpal (CMC) joint. Twenty percent of these fractures are isolated (with a vertical sagittal split). Isolated trapezium fractures are rare and account for only 1 to 5%of all carpal fractures but is still the third most common carpal fracture. Primarily, we would recommend navicular cast immobilization for 4 to 6 weeks as initial treatment. The literature describes the possibility to use fixation techniques, only when it is not possible to reduce the displaced fracture or the residual articular step-off is too high a fixation technique should be used. All four cases are conservatively treated with good results, there was no need for operative treatment in all the cases. We present four cases of the uncommon trapezium fracture. Therefore, it is important to diagnose and treat the fracture at early stage, so that articular congruence is guaranteed. Damage of the joint surface between the trapezium and the base of the first metacarpal or scaphoid could cause pain and restriction of movements. Trapezium fractures can be treated conservatively, as well as operatively, the best treatment is still debatable. Trapezium fractures are hard to detect and easily missed on standard radiographs. Isolated trapezium fractures are rare and account for only 1 to 5% of all carpal fractures but are still the third most common carpal fracture. ![]()
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