Lateral meniscal variant with absence of the posterior coronary ligament.

Neuschwander, David C.; Drez, David; Finney, T. P.

doi:10.2106/00004623-199274080-00008

Cited by 94 publications

(54 citation statements)

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“…The Wrisberg-ligament type was described as being fairly normal in size and shape but lacking a posterior attachment other than the ligament of Wrisberg. 20 However, in 1992 Neuschwander 21 recommended that the Wrisberg-variant type should be classified as a lateral meniscal variant with absence of the posterior coronary ligament, because the Wrisberg variant differs from the other two types of discoid meniscus in that the meniscus does not have a true discoid shape. Therefore, dissected discoid lateral menisci were categorized into two types (ICDM and CDM) in this study.…”

Section: Discussionmentioning

confidence: 99%

Discoid lateral menisci in Japanese cadaver knees

et al. 2004

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We undertook a descriptive, observational study to determine the prevalence of the discoid lateral menisci. The relation between the lateral meniscal shapes and the incidence of meniscal tears were studied, and the gender differences in discoid lateral menisci and the similarities of the lateral meniscal shapes in bilateral knees were examined. A total of 602 knees from 306 cadavers were macroscopically analyzed. Altogether, 577 lateral menisci were classified into the following three types: normal type (NM); incomplete discoid type (ICDM); and complete discoid type (CDM). Each lateral meniscus was examined for meniscal tears. The prevalence of a discoid lateral meniscus and gender differences in its prevalence were examined, as were the presence of a meniscal tear for the three types of lateral meniscus. In all, there were 21 (3. 6%) CDM cases and 171 ICDM cases (29.6%). The prevalence of discoid lateral meniscus, including ICDM and CDM, in the female cadavers was significantly higher than that in the male cadavers, but there was no significant gender difference in the prevalence of CDM. It was found that the shape of the lateral meniscus was similar bilaterally. The incidence of meniscal tears for ICDM was significantly higher than that for NM.

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Section: Discussionmentioning

confidence: 99%

Discoid lateral menisci in Japanese cadaver knees

et al. 2004

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“…The symptoms, however, are actually highly variable, depending on the type of the discoid meniscus, its location (medial or lateral), the presence of tear, and the status of rim stability [6,13,[23][24][25][26][27].…”

Section: Clinical Presentationmentioning

confidence: 99%

The discoid meniscus

Yaniv

Blumberg

2007

Journal of Children's Orthopaedics

103

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Discoid lateral meniscus is an intra-articular knee disorder typically presented in the young population and during adolescence. Different types of meniscal disorders and varied forms of presentation have been reported. The natural history depends on the type of anomaly and the presence of symptoms. Management of the disorder should be directed toward the resolution of the symptoms while preserving meniscal tissue and function. Modern surgical techniques enable suturing and preservation of meniscal tissue. The clinical manifestations, diagnostic modalities and criteria, accompanying conditions and practical management considerations are reviewed.

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“…In Caucasians populations, the incidence values vary between 0.4 and 5% [3,10,31,44]. On other hand, higher incidence rates have been reported in Indians, 5.8% [36], Koreans, 9.1-10.5% [26] and Japanese, 16.6% [23].…”

Section: Introductionmentioning

confidence: 95%

Epidemiologic, clinical and arthroscopic study of the discoid meniscus variant in Greek population

Papadopoulos

Karathanasis²,

Kirkos

et al. 2009

Knee Surg Sports Traumatol Arthrosc

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This retrospective study was aimed to investigate the epidemiologic, clinical and arthroscopic features of discoid meniscus variant in Greek population. We reviewed the cases of 2,132 patients who underwent knee arthroscopy between 1986 and 2004 and diagnosis of discoid lateral meniscus was established in 39 patients with mean age of 31.7 +/- 9.4 years old. Incidence of the discoid lateral meniscus variant was recorded at rate of 1.8% presenting no significant differences according to patient gender or lesion body side. Regarding the type of discoid dysmorphy, 23 cases attributed to complete type, 15 were incomplete and in one case, Wrisberg type was observed. Predictive values of the most commonly recorded physical signs in the clinical diagnosis of the discoid meniscus were analysed. Comparative evaluation of the long-term results of arthroscopic partial meniscectomy performed in patients with intact or torn discoid lateral meniscus and torn normally shaped lateral meniscus was carried out using Lysholm and IKDC scoring systems. Also, we investigated any correlation between dysmorphy type and tear pattern analysing the arthroscopic findings. Results demonstrated that the discoid meniscus lesion represents an atypical clinical entity in adults and no significant predictive value of the signs encountered in the clinical examination of the patients with discoid meniscus was observed. Clinical outcome after arthroscopic partial meniscectomy regarding the intact discoid meniscus group was superior in comparison with that of torn discoid meniscus cases. On other hand, no difference in the result of partial meniscectomy between discoid and normal lateral meniscus tear groups was found. No statistically significant relationship between the type of discoid menisci and tear pattern or incidence rate of concomitant intraarticular lesions was confirmed.

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Lateral meniscal variant with absence of the posterior coronary ligament.

Cited by 94 publications

References 0 publications

Discoid lateral menisci in Japanese cadaver knees

Discoid lateral menisci in Japanese cadaver knees

The discoid meniscus

Epidemiologic, clinical and arthroscopic study of the discoid meniscus variant in Greek population

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