Femoral tunnel cyst after ACL graft reconstruction

Case contributed by Roberto Schubert

Presentation

Persisting pain 9 months after ACL graft reconstruction.

Patient Data

Age: 35 years
Gender: Male

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Coronal
STIR
Sagittal
T1
Sagittal T1
C+ fat sat
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Info

Sharply marginated lytic bone lesion without perifocal oedema around the femoral fixation device of the ACL graft.

Case Discussion

Femoral tunnel cysts after ACL reconstruction are quite rare 1. This one obviously does not contain fluid, but vascularised tissue (perhaps granulation tissue?).

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