Meniscal cyst

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Non traumatic left knee pain. Swelling on lateral anterior aspect of knee - 15 days. Referred for radiograph and ultrasound for local swelling.

Patient Data

Age: 25 years
Gender: Female
x-ray

Suspicious soft tissue swelling on lateral aspect of femoro-tibial joint line in AP view.

ultrasound

Cyst with few septa abutting lateral meniscus. A hypoechoic cleft is noted in lateral meniscus - possibly a tear.

Case Discussion

Meniscal cyst in association with a horizontal tear of lateral meniscus.

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