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

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. The authors describe 29 discoid menisci imaged by means of MR.

Applied Radiology. 2008;37:30-32. Kim SJ, Moon SH, Shin SJ. Radiographic knee dimensions in discoid lateral meniscus: Comparison with normal control. Arthroscopy. 2000;16:511-516. Samoto N, Kozuma M, Tokuhisa T, Kobayashi K. Diagnosis of discoid lateral meniscus of the knee on MR imaging. Tears are more common with the complete discoid meniscus variant and often display horizontal or longitudinal tear patterns .

The meniscus is a wedge-shaped piece of cartilage that sits in between the bones of the knee. A discoid meniscus is abnormally shaped and more prone to injury than a normal meniscus. The thick, abnormal shape of a discoid meniscus makes it more likely to get stuck in the knee or tear. Discoid meniscus 䡧On sagittal images, a continuous bow-tie appearance on 3 or more 4 mm slices (12 mm) 䡧Up to 2 mm higher than the opposite meniscus 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.

Discoid Meniscus Injuries. A discoid meniscus is more prone to injury than a normal meniscus. The thick, abnormal shape of a discoid meniscus makes it more likely to get stuck in the knee or tear. If the meniscofemoral ligament attachment to the femur is also missing, the risk for injury is even greater.

Nov 19, 2016 As request forms for radiological investigations are often incomplete (e.g., not Discoid meniscus may also predispose to tears of the involved purpose was to examine the outcome of treatment for discoid meniscus in children. Methods: Since.

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6, 7 Discoid menisci are markedly more Discoid menisci are a congenital meniscal variant commonly seen in the lateral compartment, with sporadic reporting of medial cases. It is reported to be present bilateral in up to 20% of patients. There is thought to be abnormal meniscal composition and altered knee kinematics causing increased incidence of tears and instability in the meniscus. Arthroscopy confirmed the discoid abnormality of the medial menisci. Meniscal tear was systematically associated: horizontal in two cases and vertical in the other Additionally, the new ratio using the width of the medial meniscus is also useful to to distinguish between incomplete and complete discoid lateral meniscus on MRI 1 Department of Radiology, Samsung Medical Center, Sungkyunkwan&nb The Wrisberg variant of the discoid lateral meniscus is a rare condition with a highly suggestive clinical history. The musculoskeletal radiologist should consider Oct 12, 2020 Previous studies have reported that partial meniscectomy with or without meniscal repair is effective and shows superior clinical and radiological A discoid lateral meniscus (DLM) of the knee described as a congenital and The MR diagnosis was prospectively done by two well-trained radiologists without This is another typical case of a medial meniscal root tear.

[19] found one meniscal ossicle in the posterior horn of the medial meniscus in 126 cadaveric knees. Three theories regarding the etiology of meniscal ossicle prevail in the literature 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.
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High-resolution coronal images allowed more graphic depiction of the abnormally wide meniscus.

A meniscus is a crescent-shaped fibrocartilaginous structure that partly divides a joint cavity, unlike articular discs, which completely separate the cavity. Menisci are present in the knees and the acromioclavicular, sternoclavicular, and temporomandibular joints.
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Discoid meniscus is thought to arise secondary to an abnormal inferior fascicular attachment of the posterior horn, resulting in additional central meniscal growth and subsequent discoid configuration. Morphologically, there is poor constriction of the central portion and thickening of the free end.

In imaging examination, MRI depicted a characteristic image of a partial meniscal defect in the sagittal view. Discoid meniscus Clinical presentation. Although frequently asymptomatic, discoid menisci are prone to cystic degeneration with Pathology.

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A radial tear is present at the posterior root junction of the medial meniscus which extends through the entire thickness of the meniscus with a cleft of fluid tracking through the defect (red arrows). Meniscal root tears are often associated with extrusion of the meniscus beyond the margin of the tibial plateau.

Discoid Medial Meniscus | Radiology Discoid lateral meniscus is one of the most common knee problems in clinical practice. Several radiographic findings have been reported to screen discoid lateral meniscus, but the diagnostic value of those signs varies.We introduce a new method of measurement on plain radiograph for initial screening discoid lateral meniscus and describe its efficacy and correlation to symptomatic discoid The Wrisberg variant of the discoid lateral meniscus is a rare condition with a highly suggestive clinical history.