J Korean Orthop Assoc.  2007 Feb;42(1):131-135. 10.4055/jkoa.2007.42.1.131.

Posterior Double PCL Sign; A Case Report of Unusual MRI Finding of Bucket-handle Tear of Medial Meniscus: A Case Report

Affiliations
  • 1Department of Orthopaedic Surgery, National Police Hospital, Joint Reconstruction Center, Korea.
  • 2Seoul National University Bundang Hospital, Department of Orthopaedic Surgery, Korea.
  • 3Seoul National University College of Medicine, Seoul, Korea. drchuc@chol.com

Abstract

Among the MRI signs of meniscal bucket handle tears, a double posterior cruciate ligament (PCL) sign manifests on the sagittal images as a low signal band anterior and parallel to the PCL. The mesially displaced fragment may be confined to the intercondylar notch. However, the torn fragment is rarely displaced to the posterosuperior region of the PCL. If it does occur, separation at the anterior horn may be assumed. We propose this type of lesion be called the posterior double PCL sign in contrast to the ordinary double PCL sign. We present a case showing the 'posterior double PCL sign' accompanying an anterior cruciate ligament injury.

Keyword

Medial meniscus; Bucket handle tear; Double PCL sign

MeSH Terms

Animals
Anterior Cruciate Ligament
Horns
Magnetic Resonance Imaging*
Menisci, Tibial*
Posterior Cruciate Ligament
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