Single navicular screw for medial malleolar fracture provides stable fixation especially in situations when the fragment is too small
This technique is done without an increase in complications.
The single lag screw fixation technique is especially important in situations when the fragment is too small to accommodate multiple screws.
Reference
Mandel J, Behery O, Narayanan R, Konda SR, Egol KA. Single- vs 2-Screw Lag Fixation of the Medial Malleolus in Unstable Ankle Fractures. Foot Ankle Int. 2019 Jul;40(7):790-796. doi: 10.1177/1071100719840995. Epub 2019 Apr 11. PMID: 30971114.