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Sonographic Evaluation of Femoral Trochlear Cartilage in Patients With Knee Pain

2011; Wiley; Volume: 30; Issue: 6 Linguagem: Inglês

10.7863/jum.2011.30.6.797

1550-9613

Jonathan K. Kazam, Levon N. Nazarian, Theodore R. Miller, Carolyn M. Sofka, Laurence Parker, Ronald S. Adler,

Total Knee Arthroplasty Outcomes

Journal of Ultrasound in MedicineVolume 30, Issue 6 p. 797-802 Original Research Sonographic Evaluation of Femoral Trochlear Cartilage in Patients With Knee Pain Jonathan K. Kazam MD, Jonathan K. Kazam MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorLevon N. Nazarian MD, Corresponding Author Levon N. Nazarian MD [email protected] Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania USAAddress correspondence to Levon N. Nazarian, MD, Department of Radiology, Thomas Jefferson University Hospital, 763E Main Building, 132 S 10th St, Philadelphia, PA 19107-5244 USA.Search for more papers by this authorTheodore T. Miller MD, Theodore T. Miller MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorCarolyn M. Sofka MD, Carolyn M. Sofka MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorLaurence Parker PhD, Laurence Parker PhD Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania USASearch for more papers by this authorRonald S. Adler MD, PhD, Ronald S. Adler MD, PhD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this author Jonathan K. Kazam MD, Jonathan K. Kazam MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorLevon N. Nazarian MD, Corresponding Author Levon N. Nazarian MD [email protected] Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania USAAddress correspondence to Levon N. Nazarian, MD, Department of Radiology, Thomas Jefferson University Hospital, 763E Main Building, 132 S 10th St, Philadelphia, PA 19107-5244 USA.Search for more papers by this authorTheodore T. Miller MD, Theodore T. Miller MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorCarolyn M. Sofka MD, Carolyn M. Sofka MD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this authorLaurence Parker PhD, Laurence Parker PhD Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania USASearch for more papers by this authorRonald S. Adler MD, PhD, Ronald S. Adler MD, PhD Department of Radiology and Imaging, Hospital for Special Surgery, Weill Medical College of Cornell University, New York, New York USASearch for more papers by this author First published: 01 June 2011 https://doi.org/10.7863/jum.2011.30.6.797Citations: 26 Guest Editor: Mark E. Lockhart, MD, MPH. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Abstract Objectives The purpose of this study was to investigate whether routine clinical sonographic evaluation of femoral trochlear cartilage can identify abnormalities in patients with knee pain. Methods Short-axis sonograms of the femoral trochlear cartilage were obtained from 20 symptomatic knees in 20 consecutive patients (16 women and 4 men; mean age, 54 years; range, 35–75 years) and 20 knees in 10 asymptomatic control participants (7 women and 3 men; mean age, 52 years; range, 31–74 years). Articular cartilage thickness was measured at 3 locations in each knee, and thickness at each site was compared between patients and controls. Subsequently, images from patients and controls were randomly assorted and evaluated by 3 blinded musculoskeletal radiologists, who independently evaluated the femoral trochlear cartilage in each sonogram for cartilage clarity, grade, and presence or absence of cartilage calcifications, osteophytes, and subchondral bony irregularity. The radiologists were instructed to rate the most severe lesion in each evaluated region (medial trochlea, trochlear notch, and lateral trochlea). Cartilage clarity was defined as how well the cartilage borders could be distinguished from the overlying intra-articular soft tissues, and grade was defined as the severity of focal cartilaginous lesions. Results Using the Student t test, there was no significant difference (P > .05) between cartilage thickness in patients and controls for any location measured. However, using repeated measures analysis of variance, there were significant differences (P = .02) for both decreased cartilage clarity (df = 1/28; F = 5.76) and increased grade (df = 1/28; F = 5.77) in patients. There was also a nonsignificant (P > .05) trend toward more frequent calcifications, osteophytes, and bony irregularity in patients. Conclusions Routine clinical sonography can identify femoral trochlear cartilage abnormalities in patients with knee pain and therefore can be a useful adjunct to other imaging tests for identifying arthritic changes in the knee. References 1Aisen AM, McCune WJ, MacGuire A. 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