Discoid lateral meniscus: current concepts

Tapasvi, Sachin; Shekhar, Anshu; Eriksson, Karl

doi:10.1136/jisakos-2017-000162

Cited by 23 publications

(58 citation statements)

References 67 publications

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“…Additional interventions such as all inside, inside-out or outside-in repairs were considered based on the types of meniscus tears or meniscus stability. [ 1 , 3 ]…”

Section: Methodsmentioning

confidence: 99%

“…[ 1 , 2 ] However, there is no consensus for type or extent of rehabilitation after surgery to promote return to normal function. For patients undergoing saucerization treatment of the lateral meniscus without splint immobilization, physical therapies starting 2 weeks after surgery is generally advised, [ 3 ] but others recommend an early rehabilitation as soon as postoperative pain is tolerable. [ 4 ] While much has been written about discoid menisci in adults, less is known about postoperative therapies in the pediatric population.…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of short-term splint immobilization in the treatment of pediatric discoid lateral meniscus after saucerization management

Liu

Zhu

et al. 2023

Medicine

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There are no universal guidelines for rehabilitation after saucerization for children with discoid lateral meniscus. This study determined if short-term knee splint immobilization and delayed rehabilitation produces the same benefit as early rehabilitation after saucerization in children, in terms of knee function and pain intensity. A retrospective review was performed by categorizing patients into 2 groups depending on whether a splint immobilization was adopted postoperatively: for group A, rehabilitation began early without splint immobilization after surgery, and for group B, a knee splint was immobilized for 2 weeks. Numerical rating scale scores were collected in patients 1, 3, and 7 days, Lysholm scores were measured at 4 and 8 weeks postoperatively, and the gradual return to normal activities was documented. Forty-eight patients and 53 knees were included: group A had 30 patients with 31 knees, and group B had 18 patients with 22 knees. There was no improvement in numerical rating scale scores on the 1 st ( P= .519), 3 rd ( P= .421), and 7 th ( P= .295) postoperative days in group B. The Lysholm scores of group A (62.94 ± 8.68) was higher than that of group B (46.68 ± 9.82) measured 4 weeks following surgery, but there was no difference at 8 weeks ( P= .237), and both groups had similar time to return to normal activities ( P= .363). For discoid lateral meniscus patients who underwent isolated saucerization, short-term splint immobilization did not significantly help relieve postoperative pain. There was a comparable time-course for return to normal activities in both study groups.

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“…Additional interventions such as all inside, inside-out or outside-in repairs were considered based on the types of meniscus tears or meniscus stability. [ 1 , 3 ]…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficacy of short-term splint immobilization in the treatment of pediatric discoid lateral meniscus after saucerization management

Liu

Zhu

et al. 2023

Medicine

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“…Anterior knee pain and patellar instability are closely associated with the lateral shift of the patella relative to femoral trochlea. [1][2][3][4][5] A discoid meniscus is a congenital morphological variant of the meniscus, which is prevalent with an incidence of 10 to 13% in Asian, [6] and discoid lateral meniscus (DLM) is more commonly diagnosed by magnetic resonance imaging (MRI). [7,8] The discoid meniscus not only has a hypertrophic shape and abnormal size, which cannot effectively perform normal physiological functions, such as load transfer, but also has abnormal vascularity and microarchitecture, which is prone to tearing.…”

Section: This Clinical Study Was Approved By the Ethics Committee Of ...mentioning

confidence: 99%

Mid-term study on the effects of arthroscopic discoid lateral meniscus plasty on patellofemoral joint: An observational study

Zhang

She

et al. 2022

Medicine

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In the present study, we aimed to investigate the clinical outcomes of arthroscopic discoid lateral meniscus (DLM) plasty and the adaptive changes in the patellofemoral joint after surgery. From September 2010 to March 2012, 25 patients with DLM injuries who underwent arthroscopic meniscus plasty were enrolled in the prospective study. All patients underwent clinical evaluation before the operation and at the last follow-up, and imaging evaluation was performed by upright magnetic resonance imaging before and 1 month after the operation as well as at the last follow-up. Clinical evaluation included Lysholm score, Kujala score, McMurray’s sign, patellar mobility, patella grind test, and quadriceps atrophy. Imaging evaluation included bisect offset index, patella tilt angle (PTA), and cartilage damage. Lysholm score, Kujala score, McMurray’s sign, and quadriceps atrophy at the last follow-up were significantly improved compared with the preoperative levels (P < .05). At the last follow-up, there were no statistical differences in patella mobility and patella grind test compared with the preoperative levels. In addition, bisect offset index and PTA showed a dynamic trend of rising and then falling over time (P < .05). At 1 month after the operation, bisect offset index and PTA were significantly increased compared with the preoperative levels or the values at the last follow-up (P < .05), while there were no differences between the preoperation and the last follow-up. Cartilage damage became worse with time (P < 0.05), and the 2 were positively correlated (Spearman = 0.368). At the last follow-up, the degree of cartilage damage was significantly increased compared with the preoperative level (P < .017), while there was no significant difference between the 1-month postoperative grade and the preoperational grade or the last follow-up grade. The effect of arthroscopic DLM plasty on the patellofemoral joint was dynamic, with the position of the patella deviating in the early stages and recovering in the mid-term, especially when the knee was in the biomechanical standing position. In addition, the patellofemoral joint cartilage might undergo accelerated degeneration after the operation, while the mid-term effect of the operation was positive, and the patellofemoral joint function was acceptable.

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“…A discoid meniscus is an abnormal congenital variant of the lateral meniscus and embraces vagaries in the stability and shape of the meniscal tissue [2]. The prevalence of lateral discoid meniscus is calculated as 0.4-17%, whereas the incidence of the medial discoid meniscus is relatively low (0.1-0.3%) [3].…”

Section: Introductionmentioning

confidence: 99%

“…Conservative treatment of discoid meniscus includes strengthening and stretching of the hamstring and quadriceps muscles. However, surgical treatment is required in cases of significant disabilities [2]. Traditional Korean medicine treatment for discoid meniscus has never been reported.…”

Section: Introductionmentioning

confidence: 99%

Effect of Traditional Korean Medicine Treatments on the Discoid Meniscus of Knee Joint: Two Clinical Cases

et al. 2023

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The discoid meniscus is an innate modified form of the meniscus, characterized by middle hypertrophy and a larger than the regular diameter, leading to an absence of the characteristic "C" arrangement. Previously, no study has reported the traditional Korean medicine treatment of knee pain mainly due to discoid meniscus. Here, we report two cases of a discoid meniscus of the knee as the cause of knee pain. Patients were diagnosed with magnetic resonance imaging for discoid meniscus and received traditional Korean medicine treatments, including pharmacopuncture, acupuncture, herbal medicine, and chuna. The pain was alleviated when assessed by patient-reported pain scale scores, and the general knee condition was improved. Thus, traditional Korean medicine treatments could be effective for patients who had discoid meniscus of the knee joint in this case report.

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Discoid lateral meniscus: current concepts

Cited by 23 publications

References 67 publications

Efficacy of short-term splint immobilization in the treatment of pediatric discoid lateral meniscus after saucerization management

Efficacy of short-term splint immobilization in the treatment of pediatric discoid lateral meniscus after saucerization management

Mid-term study on the effects of arthroscopic discoid lateral meniscus plasty on patellofemoral joint: An observational study

Effect of Traditional Korean Medicine Treatments on the Discoid Meniscus of Knee Joint: Two Clinical Cases

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