HOME HELP CONTACT US SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:
Sign In to gain access to subscriptions and/or personal tools.

This Article Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Request Permissions Request Reprints Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Shaffer, B. Articles by Yao, L. Search for Related Content PubMed PubMed Citation Articles by Shaffer, B. Articles by Yao, L. Related Collections Imaging Studies Meniscus

Preoperative Sizing of Meniscal Allografts in Meniscus Transplantation

Departments of Orthopaedic Surgery and Radiology, Georgetown University Medical Center, Washington, District of Columbia

* Address correspondence and reprint requests to Benjamin Shaffer, MD, 2021 K. Street, NW, Suite 420, Washington, DC 20006

The purpose of this study was to determine the accuracy of radiographic and magnetic resonance imaging techniques in preoperative sizing for allograft meniscus transplantation. Twelve cadaveric knee specimens underwent sequential radiographs, magnetic resonance imaging scans, and arthrotomy. Meniscus dimensions were measured in multiple planes for the purpose of determining accuracy of imaging studies in comparison with actual meniscus dimensions. Overall, magnetic resonance imaging proved only slightly more accurate than conventional radiography. The mean difference between magnetic resonance imaging measurements and actual meniscus dimensions was 2.25 ± 2.04 mm. The mean difference between radiographic measurements and actual meniscus dimensions was 2.35 ± 1.79 mm. Neither imaging technique was accurate for measuring individual meniscus dimensions, with only 35% of images measuring within 2 mm of actual meniscus dimensions. Using less stringent criteria for accuracy (within 5 mm), radiography and magnetic resonance imaging were 79% and 83% reliable, respectively. Failure to obtain true anteroposterior or lateral images (15° of external and internal rotation) increased measurement inaccuracy. Intraobserver agreement was significantly higher for magnetic resonance imaging than for radiography. Further research into the development of alternative techniques for more reliable meniscus sizing and better understanding of the tolerance for meniscus size mismatch is necessary.

This article has been cited by other articles:

				N. Pujol, L. Panarella, T. A. S. Selmi, P. Neyret, D. Fithian, and P. Beaufils Meniscal Healing After Meniscal Repair: A CT Arthrography Assessment Am. J. Sports Med., August 1, 2008; 36(8): 1489 - 1495. [Abstract] [Full Text] [PDF]

				G. von Lewinski, D. Kohn, C. J. Wirth, and D. Lazovic The Influence of Nonanatomical Insertion and Incongruence of Meniscal Transplants on the Articular Cartilage in an Ovine Model Am. J. Sports Med., May 1, 2008; 36(5): 841 - 850. [Abstract] [Full Text] [PDF]

				M. Dienst, P. E. Greis, B. J. Ellis, K. N. Bachus, and R. T. Burks Effect of Lateral Meniscal Allograft Sizing on Contact Mechanics of the Lateral Tibial Plateau: An Experimental Study in Human Cadaveric Knee Joints Am. J. Sports Med., January 1, 2007; 35(1): 34 - 42. [Abstract] [Full Text] [PDF]

				B. T. Kelly, W. Robertson, H. G. Potter, X.-H. Deng, A. S. Turner, S. Lyman, R. F. Warren, and S. A. Rodeo Hydrogel Meniscal Replacement in the Sheep Knee: Preliminary Evaluation of Chondroprotective Effects Am. J. Sports Med., January 1, 2007; 35(1): 43 - 52. [Abstract] [Full Text] [PDF]

				J. K. Sekiya and C. I. Ellingson Meniscal allograft transplantation. J. Am. Acad. Ortho. Surg., March 1, 2006; 14(3): 164 - 174. [Abstract] [Full Text] [PDF]

				J. K. Sekiya, J. R. Giffin, J. J. Irrgang, F. H. Fu, and C. D. Harner Clinical Outcomes after Combined Meniscal Allograft Transplantation and Anterior Cruciate Ligament Reconstruction Am. J. Sports Med., November 1, 2003; 31(6): 896 - 906. [Abstract] [Full Text] [PDF]

				B. J. Cole, T. R. Carter, and S. A. Rodeo Allograft Meniscal Transplantation : Background, Techniques, and Results J. Bone Joint Surg. Am., July 9, 2002; 84(7): 1236 - 1250. [Full Text] [PDF]

				P. E. Greis, M. C. Holmstrom, D. D. Bardana, and R. T. Burks Meniscal Injury: II. Management J. Am. Acad. Ortho. Surg., May 1, 2002; 10(3): 177 - 187. [Abstract] [Full Text] [PDF]

				E. Rath, J. C. Richmond, W. Yassir, J. D. Albright, and F. Gundogan Meniscal Allograft Transplantation: Two- to Eight-Year Results Am. J. Sports Med., July 1, 2001; 29(4): 410 - 414. [Abstract] [Full Text] [PDF]

				S. A. Rodeo Meniscal Allografts--Where Do We Stand? Am. J. Sports Med., March 1, 2001; 29(2): 246 - 261. [Abstract] [Full Text] [PDF]