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We present 2 cases, one with bilateral discoid medial menisci, and the other with both medial and lateral discoid menisci in the same knee. The radiological, MRI and arthroscopic findings in these knees and their association with various synovial plicae have been described. Both patients had good results after arthroscopic subtotal meniscectomy. Discoid meniscus is a congenital variant of the meniscus which can affect its size, shape and stability. Most often, it affects the lateral meniscus. Incidence. I t is a frequent finding in the Asian population with an incidence of up to 20%.

Discoid meniscus in both knees

The meniscus is a C-shaped wedge of cartilage that helps support and cushion the knee joint. In each knee there are two menisci, one on the inside (medial) and one on the outside (lateral) of the knee joint. A discoid meniscus is semi-circular instead of C-shaped. Many people have them and don’t know it.

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Discoid lateral meniscus (DLM) is a common anatomic variant in the knee typically presented in young populations, with a greater incidence in the Asian population than in other populations. As DLM is a congenital anomaly, the ultrastructural features and morphology differ from those of the normal meniscus, potentially leading to meniscal tears.

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The symptomatic knee was managed with good results by partial meniscectomy using a routine arthroscopic procedure. CONCLUSION: Discoid medial meniscus is a relatively rare pathology of the knee joint, and bilateral cases are extremely rare. Discoid lateral meniscus (DLM) is a common anatomic variant in the knee typically presented in young populations, with a greater incidence in the Asian population than in other populations. As DLM is a congenital anomaly, the ultrastructural features and morphology differ from those of the normal meniscus, potentially leading to meniscal tears. Discoid meniscus is a rare human anatomic variant that usually affects the lateral meniscus of the knee.

Menisci are fibrocartilaginous, rubber-like structures situated between the femur (thigh bone) and the tibia (shin bone). What is the function of the meniscus? They allow the rounded end of the femur to closely fit with the relatively flat top of the tibia. In cross-section, the menisci are triangular is shape but when viewed from above they appear "C"-shaped. The menisci Discoid menisci are those that have a body that is too wide, usually affecting the lateral meniscus. They are incidentally found in 3-5% of knee MRI examinations. Epidemiology Discoid menisci are congenital, frequently bilateral (up to 50%) an Se hela listan på drrobertlaprademd.com There are two menisci in the knee: the medial meniscus on the inside of the knee, and the lateral meniscus on the outside They are more prone to injury than a normal meniscus.
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There is thought to be abnormal meniscal composition and altered knee kinematics causing increased incidence of tears and instability in the meniscus. Discoid meniscus is an abnormal meniscus that is thicker than normal and has a different shape and texture that usually affects the lateral meniscus of the knee 1).

In Caucasians, the incidence is 3-5 %. It is slightly more common in females. Pathoanatomy Although early recommendations for treatment of symptomatic discoid meniscus consisted primarily of total or subtotal meniscectomy, our understanding of the role of the meniscus in load-sharing and stability of the knee has led to expanded indications for meniscal preservation and meniscocapsular repair.
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Arthroscopic plasty of the discoid meniscus - Göteborgs universitets

It can occur in both knees in up to 10% of people with this condition. Risk Increases With What is a meniscus? Menisci are fibrocartilaginous, rubber-like structures situated between the femur (thigh bone) and the tibia (shin bone). What is the function of the meniscus?

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Oral Presentations Abstracts Seventh SICOT/SIROT Annual

A discoid meniscus is present at birth. It occurs when the cartilage does not properly develop, resulting in a thicker disc- or oval-shaped meniscus.

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1 A, B). For the symptomatic right knee, arthroscopy was planned. Under lumbar anesthesia, with anteromedial and anterolateral arthroscopy portals, an arthroscopy of the right knee was performed.

The radiological, MRI and arthroscopic findings in these knees and their association with various synovial plicae have been described. Both patients had good results after arthroscopic subtotal meniscectomy. Discoid meniscus is a congenital variant of the meniscus which can affect its size, shape and stability.