CT and MRI images of the pilon with the inserted screws. First row, TA screws; Second row, SS screws; Third row, CTA screws; Fourth row, CSS screws. Grainy streaks were present in MR images with the steel screws. CT, computed tomography; MRI, magnetic resonance imaging; TA, titanium alloy; SS, stainless steel; CTA, cannulated TA; CSS, cannulated SS.