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Table 2 Morphology, MRI typing and surgical treatment of DLM

From: Prevalence of bilateral Discoid Lateral Menisci (DLM) in patients operated for symptomatic DLM with a follow-up study on their asymptomatic contralateral knees: a Magnetic Resonance Imaging (MRI) assessment

 

Count (%)

Morphology of Bilateral DLM (80 patients)

 

Homotype DLM

 

CDM/CDM

61(76)

ICDM/ICDM

7(9)

Heterotype DLM (CDM/ICDM)

12(15)

Surgery & MRI type (total 136 knees)

 

Central partial meniscectomy

 

No shift

44(32.35)

Anterocentral shift

1(0.7)

Posterocentral shift

8(5.9)

Central shift

3(2.2)

Central partial meniscectomy + repair

 

Non shift

13(9.6)

Anterocentral shift

1(0.7)

Posterocentral shift

9(6.6)

Central shift

5(3.7)

Subtotal meniscectomy

 

No shift

24(17.6)

Anterocentral shift

1(0.7)

Posterocentral shift

10(7.4)

Central shift

17(12.5)

  1. DLM, discoid lateral meniscus; CDM, complete discoid type; ICDM, incomplete discoid type; MRI, magnetic resonance imaging.