Radiology diagnosis of chronic instability of lateral ankle / 解放军医学杂志

ABSTRACT

Objective To discuss the significance of stress roentgenogram on diagnosis of chronic instability of lateral ankle and. bring forward the radiology diagnosis criteria. Methods 40 patients with chronic instability of lateral ankle and 40 normal people were randomly selected. Bilateral ankles of each subject had two basic roentgenographic measurements named inversion stress anteroposterior roentgenogram and anterior drawer stress radiograph. The talar tilt angel and anterior translation of talus were measured. Results The average TT and ATT of suffered ankles are 9.1 and 7.8mm,while the values of the opposite ankles are 5.4 and 5.4mm, the comparison group are 4.9 and 6.1mm.There is significant difference between the suffered ankles and normal ones(P