Radiographic evaluation of frontal talar edge configuration for osteochondral plug transplantation.
For successful reconstruction of osteochondral lesions of the talus, the anatomic configuration of the talar edge must be respected. This study evaluated the radiographic configuration of the talar edge in the anterior-posterior (AP) view by analyzing medial and lateral talar edge angles and radii in 81 patients with a true AP view and without ankle pathology. The mean lateral talar edge angle was 91.8 degrees , and the mean medial talar edge angle was 110.0 degrees . The medial frontal talar edge radius was 4.8 mm and the lateral 3.5 mm, respectively. No correlation between angle and radius was found. These results revealed a significant difference between the medial and the lateral talar edge configuration. This may be due to the three-dimensional function of the human ankle joint. No study so far has addressed these differences radiologically. These differences should be addressed in the reconstruction of osteochondral lesions and be included in the preoperative planning.
Leumann
André
A
Orthopedic Department, University of Basel, Basel, Switzerland.
Wiewiorski
Martin
M
Egelhof
Thomas
T
Rasch
Helmut
H
Magerkurth
Olaf
O
Candrian
Christian
C
Schaefer
Dirk Johannes
DJ
Martin
Ivan
I
Jakob
Marcel
M
Valderrabano
Victor
V
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010007:Osteochondritis / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery; D011859:Radiography; D019651:Plastic Surgery Procedures / Q000379:methods; D013628:Talus / Q000033:anatomy & histology* / Q000000981:diagnostic imaging* / Q000502:physiology; D016474:Weight-Bearing / Q000502:physiology; D055815:Young Adult