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Paediatrics
intermediate
X-Type

Discoid Meniscus (Pediatric)

Knee Disorders

A 9-year-old girl presents with intermittent left knee pain and a "clunking" sensation during knee flexion-extension for the past 6 months. Her parents report that the knee sometimes "snaps" audibly. Examination reveals a palpable and audible "thud" over the lateral joint line as the knee moves from flexion to extension. McMurray test elicits lateral joint line discomfort. Range of motion is full. MRI shows a thickened lateral meniscus extending into the intercondylar notch. Regarding discoid meniscus:

Mark each as TRUE or FALSE

A

Discoid meniscus is a congenital variant where the meniscus is thickened and has increased central c...

B

The Watanabe classification divides discoid meniscus into three types: Type I (Incomplete) where the...

C

Discoid meniscus affects the medial meniscus more commonly than lateral; it is an acquired condition...

D

Clinical presentation varies: many discoid menisci are asymptomatic and discovered incidentally; sym...

E

MRI diagnostic criteria include: meniscal thickness greater than the height of the contralateral men...

Answer the questions to see explanations

Click T (True) or F (False) for each option