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Transverse Ligament and Its Effect on Meniscal Motion: Correlation of Kinematic MR Imaging and Anatomic Sections

MUHLE, CLAUS MD*†; THOMPSON, WILLIAM O. MD; SCIULLI, ROBERT MD*; PEDOWITZ, ROBERT MD, PHD§; AHN, JOONG MO MD, PHD*; YEH, LEEREN MD*; CLOPTON, PAUL MS*; HAGHIGHI, PARVIZ MD; TRUDELL, DEBRA J. RA*; RESNICK, DONALD MD*

Original Investigations

Muhle C, Thompson WO, Sciulli R, et al. Transverse ligament and its effect on meniscal motion: Correlation of kinematic MR imaging and anatomic sections. Invest Radiol 1999;34:558–565.

RATIONALE AND OBJECTIVES. To evaluate the effect of the transverse ligament on translation of the menisci.

METHODS. Six cadaveric knees were examined by MR imaging inside a positioning device before and after transecting the transverse ligament. The knees were examined at various positions: extension, 30° of flexion, 60° of flexion, and full flexion. Sagittal T1-weighted spin-echo images were generated at each knee position and evaluated for statistical differences with regard to anterior-posterior meniscal excursion.

RESULTS. Statistically significant differences in meniscal excursion were found before and after transsecting the transverse ligament for anterior-posterior meniscal motion of the anterior horn of the medial meniscus at 30° of knee flexion. No such significant differences were found, however, at 60° of flexion and full flexion in anterior-posterior meniscal excursion of the anterior or posterior horn of either meniscus before and after transsecting the transverse ligament.

CONCLUSIONS. The transverse ligament has a restricting effect on anterior-posterior excursion of the anterior horn of the medial meniscus at lower degrees of knee flexion.

From the Departments of *Radiology and ∥Pathology, Veterans Affairs Medical Center, San Diego, California; †Department of Radiology, University of Kiel, Kiel, Germany; ‡Department of Orthopaedics, Hospital for Special Surgery, New York City, New York; and §Department of Orthopaedics, University of California, San Diego, California.

Received December 28, 1998, and accepted for publication, after revision, May 9, 1999.

Reprint requests: Dr. Donald Resnick, Department of Radiology (114), Veterans Affairs Medical Center, and University of California San Diego, 3350 La Jolla Village Drive, San Diego, CA 92161.

Supported in part by Deutsche Forschungsgemeinschaft and Veterans Administration grant SA360.

The authors thank Adnan Cutuk for his technical assistance and Gerd Baumer and Don and Howard Hayhurst for their technical knowledge, support, and enthusiasm.

© 1999 Lippincott Williams & Wilkins, Inc.