Document Detail


Anterior cruciate ligament and intercondylar notch in the coronal oblique plane: anatomy complemented by magnetic resonance imaging in cruciate ligament-intact knees.
MedLine Citation:
PMID:  10355709     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We assessed the anatomy of the anterior cruciate ligament (ACL) and femoral intercondylar notch on cryosections from one cadaveric knee specimen in the coronal oblique plane oriented parallel to the intercondylar roof. We determined the course of the ACL, the widths of the cruciate ligaments at intersection, and the intercondylar notch configuration on coronal oblique plane magnetic resonance images in 51 adult cruciate ligament-intact knees (25 women, 26 men; age range, 16 to 47 years). The intercondylar notch widths were measured at the notch entrance, at the intersection of the ACL and posterior cruciate ligament (PCL), and at the notch outlet. In the coronal oblique plane, the ACL exhibited a diagonal course from the central and medial part of the anterior intercondylar area of the tibia distally, across the lateral third of the intercondylar notch, to the intercondylar surface of the lateral femoral condyle proximally. At the cruciate ligament intersection, the absolute widths of the ACLs measured on average 6.1+/-1.1 mm in men and 5.2+/-1.0 mm in women representing 31.9% and 31.1% of the ACL/central intercondylar notch width ratios. The absolute widths of the PCLs measured on average 9.6+/-1.3 mm in men and 8.5+/-1.3 mm in women representing 50.4% and 51.4% of PCL/central intercondylar notch width ratios. On average for both groups, men and women, the absolute widths of the PCLs were significantly larger than the absolute widths of the ACLs. However, the relative widths of the cruciate ligaments with respect to corresponding intercondylar notch widths were not significantly different. In the coronal oblique plane, the intercondylar notch widths showed on average a significant decrease from posterior to intersection and from intersection to anterior. At notch outlet, the mean notch width measured 21.4 mm in men and 18.5 mm in women. At intersection, the mean notch width measured 19.1 mm in men and 16.6 mm in women. At notch entrance, the notch width measured 14.6+/-1.8 mm in men and 12.7+/-2.1 mm in women. We recommend magnetic resonance tomography of the knee in the coronal oblique plane oriented parallel to the intercondylar roof as the imaging modality of choice to visualize accurately the anatomic diagonal course of the ACL and its relation to the intercondylar notch and posterior cruciate ligament complex.
Authors:
H U Staeubli; O Adam; W Becker; R Burgkart
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association     Volume:  15     ISSN:  0749-8063     ISO Abbreviation:  Arthroscopy     Publication Date:  1999 May 
Date Detail:
Created Date:  1999-07-13     Completed Date:  1999-07-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8506498     Medline TA:  Arthroscopy     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  349-59     Citation Subset:  IM    
Affiliation:
Orthopaedics and Traumatology, Surgical Clinic and Department of Radiology, Tiefenauspital, Bern, Switzerland.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Anterior Cruciate Ligament / anatomy & histology*
Female
Femur / anatomy & histology
Humans
Knee Joint / anatomy & histology*
Magnetic Resonance Imaging*
Male
Middle Aged
Retrospective Studies
Sex Characteristics
Tibia / anatomy & histology

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


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