Fig. 6
From: Periarticular screws: what’s in and what’s out of the joint?
Open reduction and internal fixation of a left pilon fracture. (A) A single Mortise view proving the subchondral placement of a medial malleolar screw, as the medial malleolar articular surface is concave. However, this view does not prove that the sagittal-plane plafond screws are extraarticular. (B) A single lateral view confirming extraarticular screw placement within the tibial plafond’s concave articular surface