A Cohort Study of Patients Undergoing Distal Tibial Osteotomy without Fibular Osteotomy for Medial Ankle

Arthritis with Mortise Widening

by Tae-Keun Ahn, Young Yi, Jae-Ho Cho, and Woo-Chun Lee

J Bone Joint Surg AmVolume 97(5):381-388

March 4, 2015

©2015 by The Journal of Bone and Joint Surgery, Inc.

The medial distal tibial angle (MDTA) on an anteroposterior radiograph.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

The anterior distal tibial angle (ADTA) on a lateral radiograph.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

Talus center migration is the distance between the tibial axis and the center of the talus.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

Schematic drawings of the distal tibial osteotomy without a fibular osteotomy.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

Preoperative weight-bearing anteroposterior radiograph showing medial translation of the talus, erosion of the medial malleolus, and mortise widening.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

Valgus stress test radiograph showing mortise widening.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.

Weight-bearing anteroposterior radiograph made one year after the distal tibial osteotomy, without fibular osteotomy, and application of an anterior plate.

Tae-Keun Ahn et al. J Bone Joint Surg Am 2015;97:381-388

©2015 by The Journal of Bone and Joint Surgery, Inc.