Document Detail


Sonography of injury of the posterior cruciate ligament of the knee.
MedLine Citation:
PMID:  11935199     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To describe the sonographic appearance of injury of the posterior cruciate ligament (PCL) of the knee. DESIGN AND PATIENTS: Eleven patients (6 men, 5 women) with an average age of 36 years (range 17-70 years), referred for magnetic resonance (MR) imaging evaluation of knee pain, had PCL injury according to standard MR imaging criteria. Sonography was performed after the MR examination by the author, who was aware of the MR findings. Both the affected and contralateral asymptomatic PCL were scanned sonographically in the longitudinal plane with a curvilinear transducer, and their diameters were measured on the scanner using electronic calipers. Bilateral PCL sonography and measurement were also performed on 12 patients with other acute knee injuries but normal PCLs according to MR imaging ("non-PCL-injured knee cohort"), and on 10 normal volunteers. RESULTS: All PCLs were hypoechoic, regardless of injury. The injured PCLs had an average diameter of 0.88 cm (range 0.54-1.21 cm), while the contralateral PCLs had an average diameter of 0.51 cm (range 0.30-0.84 cm) (signed rank test, P<0.001). One patient also had focal discontinuity of the PCL. There was no statistical difference between the diameters of the right and left PCLs of the non-PCL-injured knee cohort (signed rank test, P=0.1) nor between those of the volunteers (signed rank test, P=0.6). The average difference in diameter between the injured and contralateral PCLs was statistically significant versus the difference between the non-PCL-injured knee cohort's PCLs (Mann-Whitney test, P=0.0001) and versus the difference between the volunteers' PCLs (Mann-Whitney test, P=0.0001). CONCLUSION: PCL injury is manifested sonographically either as enlargement of the entire ligament, appreciated by comparison with the contralateral normal PCL, or by focal disruption of the ligament.
Authors:
Theodore T Miller
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Publication Detail:
Type:  Journal Article     Date:  2002-02-01
Journal Detail:
Title:  Skeletal radiology     Volume:  31     ISSN:  0364-2348     ISO Abbreviation:  Skeletal Radiol.     Publication Date:  2002 Mar 
Date Detail:
Created Date:  2002-04-05     Completed Date:  2002-05-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7701953     Medline TA:  Skeletal Radiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  149-54     Citation Subset:  IM    
Affiliation:
Department of Radiology, North Shore University Hospital, 300 Community Drive, Manhasset, NY, USA. Tmiller@NSHS.edu
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Female
Humans
Knee Injuries / diagnosis,  ultrasonography
Knee Joint / ultrasonography*
Magnetic Resonance Imaging
Male
Middle Aged
Posterior Cruciate Ligament / injuries*,  ultrasonography*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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