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Discoid lateral meniscus is a congenital intra articular knee disorder, appears as thickened, full crescent shaped disc. It is incomplete due to deficient coverage (<   Radsource MRI Web Clinic: Hypermobile Lateral Meniscus. Reviews abnormalities of the knee: discoid meniscus, meniscal flounce and popliteomeniscal  MRI found discoid medial meniscus in all four cases, with intrameniscal hypersignal on T2-weighted sequences. Results.

Discoid meniscus radiology

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Why is this even important when discussing young athletes? Today on the podcast, we discuss the discoid meniscus, something that may have seen you but you may not have seen it… yet.   The Pediatric Sports Medicine Discoid medial menisci have been reported sporadically in the literature, and their incidence is much lower than that of discoid lateral menisci. They should be treated according to the algorithm mentioned earlier, with an understanding that discoid medial menisci are more often stable than discoid lateral menisci, given their typically more robust capsular attachments. A discoid meniscus is a thick, disk-shaped meniscus which is prone to tearing, degeneration, and loss of stability in the knee. A discoid meniscus most commonly affects the lateral meniscus, rarely the medial meniscus. Here, we present a case of an extremely rare medial and lateral discoid meniscus in the ipsilateral knee of a 10-year-old male.

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Ari Youderian, MD, Margaret A. Stull, MD.Discoid lateral meniscus.Applied Radiology. 2008:30-32. Paul M Aichroth, Dipak V Patel et al. Congenital discoid lateral meniscus in children.

Discoid meniscus radiology

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Discoid meniscus radiology

Magnetic resonance imaging (MRI) scan. This study can create detailed images of the soft tissues of the knee joint and is the best imaging test for discoid meniscus. The MRI can show the abnormal shape of the discoid meniscus, as well as tears within the meniscus. Discoid lateral meniscus is a common abnormal meniscal variant in children.

usually lateral meniscus involved; 25% bilateral; Classification Discoid menisci of the knee are not uncommon, and the criteria for arthrographic diagnosis and the clinical symptoms are well known. Although enlarged menisci have been recognized at magnetic resonance (MR) imaging, there are no criteria for the MR imaging diagnosis.
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Discoid meniscus radiology

failure of apoptosis in utero ; location . usually lateral meniscus involved; 25% bilateral; Classification A new radiographic finding of adult symptomatic discoid lateral meniscus. Lu X(1), Qian J(1), Yang B(1), Li Z(1), Fan Y(1), Jiang B(2). Author information: (1)Department of Orthopaedic Surgery.

Although enlarged menisci have been recognized at magnetic resonance (MR) imaging, there are no criteria for the MR imaging diagnosis.
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The authors describe 29 discoid menisci imaged by means of MR. A discoid meniscus was said to be present if three or more 5-mm Coronal PD Fat Sat MRI of the knee showing discoid lateral meniscus with peripheral separation of the meniscus .

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The patient underwent bilateral meniscal saucerization, with no pain at  We had an MRI done, and it was revealed that she had a discoid lateral meniscus but no evidence it was torn. The medial meniscus is intact. The ligaments are  Arthroscopic Saucerization for Discoid Lateral Meniscus. Video thumbnail for Arthroscopic Saucerization for Discoid Lateral Meniscus.

Tears are more common with the complete discoid meniscus variant and often display horizontal or longitudinal tear patterns . MR imaging has widely variable sensitivity and specificity for detection of tears within a discoid meniscus because of the increased meniscal vascularity and diffuse intrameniscal signal intensity (34,35). Therefore 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. At first impression this looks like a tear within a discoid meniscus. At closer look you will notice that the horizontal structure has a lower signal intensity than the meniscus and looks funny.