Volar Dislocation of the Fourth and Fifth Carpometacarpal Joint Associated with Hamate Hook Fracture: A Case Report and Literature Review

Figure 2

CT scan showing the carpometacarpal bases incarcerated at the fracture gap of the hamate hook at the fracture site. (a) Axial view. (b) Sagittal view. (c) Three-dimensional view of the hand. (d) Coronal view of the CT scan also shows the avulsion fracture between the base of the fourth and fifth metacarpal bones.

(a)

(b)

(c)

(d)