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ACL Cyst

Case contributed by: Dr Frank Gaillard

Presentation:

Knee pain in an adult.

From the case: ACL Cyst

Modality: MRI

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Sagittal Fat Sat PD

Case Discussion:

MRI demonstrates fluid intensity cystic regions closely related to the anterior cruciate ligament, and extending between the two bands of the ligament anteriorly. These features are characteristic of incidental ACL ganglion cysts which are often an incidental and asymptomatic finding.