J Korean Arthrosc Soc.  2013 Feb;17(1):6-10.

Magnetic resonance imaging Usefulness after Medial Meniscus Posterior Root Tear Repair

Affiliations
  • 1Department of Orthopedic Surgery, Sun General Hospital, Daejeon, Korea. kjb9290@hanmail.net

Abstract

PURPOSE
This study intends to verify the usefulness of magnetic resonance imaging (MRI) for estimate recovery after arthroscopic pull-out repair at root tears of medial meniscus.
MATERIALS AND METHODS
We performed 17 patients who examined MRI and arthroscopy among patients who had received repair of medial meniscus from November, 2007 to June, 2011. To determine restoration meniscus, we performed arthroscopy and MRI.
RESULTS
Lysholm knee scores before and after operation were average 56.4 and 79.0 and visual analogue scale (VAS) score was improved from 8 points to 3 points. From secondary look arthroscopy performed after operation, 17 cases showed stabilization after regeneration. However, In MRI, cleft sign implying root tears of medial meniscus was observed in all cases before and after operation, ghost sign was observed in 10 cases and 9 cases respectively, radial linear defect was showed 17 cases and 15 cases respectively.
CONCLUSION
It was not useful that MRI after medial meniscus repair in non-anatomical site, to consider restoration of medial meniscus. To evaluate for recovery medial meniscus after repair more exactly, secondary arthroscopy would be required.

Keyword

Root tear of medial meniscus; Arthroscopic repair; Usefulness of magnetic resonance imaging

MeSH Terms

Arthroscopy
Humans
Knee
Magnetic Resonance Imaging
Magnetic Resonance Spectroscopy
Magnetics
Magnets
Menisci, Tibial
Regeneration
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