Measuring Malalignment on Imaging in the Treatment of Patellofemoral Instability

Miho Tanaka, Andrew J. Cosgarea

Research output: Contribution to journalReview articlepeer-review

Abstract

Assessment of malalignment is an important factor in determining surgical treatment options for patellar instability. Measurement of tibial tubercle-trochlear groove (TT-TG) distance is valuable in planning surgical treatment for patellar instability, because it quantifies a component of malalignment and aids in deciding whether to perform tibial tuberosity osteotomy. In this paper we review how TT-TG distance should be understood in the context of many measurement factors to allow for an individualized procedure that addresses the specific contributors to patellar instability in each patient. Understanding the limitations of and variability in radiographic assessments of TT and TG positions can help in deciding whether to perform TT osteotomy for patellar instability.

Original languageEnglish (US)
Pages (from-to)148-151
Number of pages4
JournalAmerican journal of orthopedics (Belle Mead, N.J.)
Volume46
Issue number3
StatePublished - May 1 2017

ASJC Scopus subject areas

  • Medicine(all)

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