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<p>Tibial tuberosity osteotomy (TTO) is an essential component in the surgical treatment of patellofemoral instability. Indications are based on tibial tubercle–trochlear groove (TT-TG) distance (&gt; 20 mm), patella alta (Caton–Deschamps index&gt; 1.3), patellar maltracking, and focal distal cartilage lesions. Depending on the underlying pathology, different techniques are applied: medializing osteotomy (Elmslie–Trillat) for increased TT-TG distance, anteriorizing procedures (Maquet) for pressure relief, anteromedializing osteotomy (Fulkerson) for combined instability and cartilage damage, and distalizing techniques for patella alta. TTO yields good to excellent clinical outcomes with low recurrence rates and few complications.</p>

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Tuberositasosteotomie: Wann, wie und wie viel?

  • 期刊论文

  • 发表日期：

    2026年8月5日

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  • Isabella Kuhn,
  • Andrea Achtnich,
  • Lukas Willinger,
  • Sebastian Siebenlist,
  • Armin Runer

摘要

Tibial tuberosity osteotomy (TTO) is an essential component in the surgical treatment of patellofemoral instability. Indications are based on tibial tubercle–trochlear groove (TT-TG) distance (> 20 mm), patella alta (Caton–Deschamps index> 1.3), patellar maltracking, and focal distal cartilage lesions. Depending on the underlying pathology, different techniques are applied: medializing osteotomy (Elmslie–Trillat) for increased TT-TG distance, anteriorizing procedures (Maquet) for pressure relief, anteromedializing osteotomy (Fulkerson) for combined instability and cartilage damage, and distalizing techniques for patella alta. TTO yields good to excellent clinical outcomes with low recurrence rates and few complications.