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Knee Surg Relat Res. 2013 Mar;25(1):30-5. doi: 10.5792/ksrr.2013.25.1.30. Epub 2013 Feb 27.

Results of arthroscopic partial meniscectomy for lateral discoid meniscus tears associated with new technique.

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  • 1Department of Orthopedic Surgery, Sun General Hospital, Daejeon, Korea.



To introduce and evaluate the clinical results of a new arthroscopic technique for partial meniscectomy of symptomatic lateral discoid meniscus using a knife.


From March 2005 to October 2010, 60 knees of 58 patients underwent arthroscopic partial meniscectomies for lateral discoid meniscus. The average age was 28.9 years (range, 12 to 63 years), and average follow-up was 26 months (range, 8 to 72 years). In this procedure, using a No. 11 knife holder inserted through the high far anteromedial portal, a stab incision on the anterior meniscal horn and following piecemeal meniscal excision were made. Clinical results were assessed using the scale of Ikeuchi and Lysholm score.


Meniscus shape was complete in 32 knees (53.3%) and incomplete in 28 knees (46.6%). The shape of tears in complete type lesions was horizontal cleavage in 17 knees (53.1%), flap or complex degenerated tears in 10 knees (31.2%) and radial tears in 5 knees (15.6%). Clinical results assessed using the scale of Ikeuchi were excellent in 38 (63.3%), good in 13 (21.6%), fair in 8 (13.3%) and poor in 1 knee (1.6%). The average Lysholm score was improved from 82.8 preoperatively to 95.4 postoperatively.


Our new arthroscopic technique in lateral discoid partial meniscectomy suggests convenient methods and successful clinical results.


Discoid; Lateral meniscus; Meniscectomy

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