Orthonotes
Orthonotes
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v3.0 Fusion
v3.0 Fusion
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Discoid Meniscus

Congenital variant where meniscus is thickened and disk-shaped. Most common in lateral meniscus (incidence 1–3%). Clinical: snapping, pain, locking in children/young adults. Imaging: X-ray may show widened joint space; MRI confirms discoid shape. Treatment: asymptomatic—observe; symptomatic—saucerization + repair.

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Congenital variant where meniscus is thickened and disk-shaped. Most common in lateral meniscus (incidence 1–3%). Clinical: snapping, pain, locking in children/young adults. Imaging: X-ray may show widened joint space; MRI confirms discoid shape. Treatment: asymptomatic—observe; symptomatic—saucerization + repair.
MCQs

High-yield practice questions

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Question 1

What is the most common type of discoid meniscus?

Question 2

Which imaging modality is considered the gold standard for diagnosing a discoid meniscus?

Question 3

In which age group is discoid meniscus most commonly symptomatic?

Question 4

Which type of discoid meniscus is characterized by an unstable posterior attachment?

Question 5

What is a common clinical presentation of a symptomatic discoid meniscus?

Question 6

Which classification system is commonly used to categorize discoid meniscus?

Question 7

What is the recommended treatment for an asymptomatic discoid meniscus?

Question 8

What MRI feature is indicative of a discoid meniscus?

Question 9

Which type of tear is most commonly associated with a symptomatic discoid meniscus?

Question 10

Which of the following statements about bilateral discoid meniscus is true?