Harry Hoyen, Simon Lambert, Joideep Phadnis
This fracture type is classified by the AO/OTA as 13C3. The metaphyseal component may be one of the following types (left to right in illustration):
All three sides of the triangle of stability are broken.
This x-ray shows a fracture with a simple low transverse lateral column fracture and a vertical wedge of the medial column (13C3.2[h,l]).
Images taken from Orozco R, et al. (1998) Atlas of Internal Fixation. Used with kind permission.
Lateral view of the same case