Anatomical morphologic classification of the peroneal trochlea on the calcaneus and its clinical significance
Objective To investigate the morphological classification of the peroneal trochlea,and to explore its clinical significance.Methods From July 2014 to February 2023,215 people were included in this retrospective study,which was provided by Department of Orthopedics,The Affiliated Traditional Chinese Medicine Hospital,Southwest Medical University.The peroneal trochlea was classified according to its morphology and the height,length,relative position to the surrounding structures and the excision angle were measured,respectively.Results The calcaneus of 166(77.2％)cases showed peroneal trochlea.The morphology of the peroneal trochlea could be divided into 4 types:flat type in 12 cases(7.2％),conicalness type in 73 cases(44.0％),straight ridge type in 74 cases(44.6％),and olecranon-type in 7 cases(4.2％).There was no statistical significancein height and distance from the midpoint of peroneal trochlea to posterior surface of calcaneus between genders(P＞0.05).The height of straight ridge type and olecranon-type were significantly higher than that of the conicalness type(P＜0.05).Meanwhile,the height of conicalness type was significantly higher than that of the flat type(P＜0.05).The length of conicalness type was significantly shorter than that of other types(P＜0.05).The distance between the midpoint of peroneal trochlea and the fifth metatarsal tuberosity and the lateral midpoint of calcaneocuboid articular surface of conicalness type was significantly longer than that of straight ridge type(P＜0.05).The distance between the midpoint of peroneal trochlea and the posterior surface of calcaneus of conicalness type was significantly shorter than that of straight ridge type(P＜0.05).Conclusions This study provides further information on the classification,size and location of the peroneal trochlea,which may present anatomical basis for clinical diagnosis and treatment of hyperplastic peroneal trochlea,to avoid blind resection of the peroneus tendon injury.
万方数据
维普
