Trochlear boss height measurement: A comparison of radiographs and MRI

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A key anatomical consideration and determinant of surgical approach in trochlear dysplasia is the trochlear boss height (TBH), traditionally defined by measurements on plain X-rays (XR). Magnetic resonance (MR) imaging is increasingly used for pre-operative planning and follow-up. However, it is unclear whether measurement of TBH on XR is applicable to MR. The aim of this study was to establish the reliability of TBH measurement on MR compared to XR.
Original languageEnglish
Pages (from-to)1052–1057
Number of pages6
JournalThe Knee
Issue number6
Early online date24 Jul 2014
Publication statusPublished - Dec 2014


  • Trochlear dysplasia
  • MRI
  • Plain radiographs
  • Method comparison

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