Anterior cruciate ligament mucoid degeneration with ganglion cyst
Diagnosis almost certain
Presentation
Slowly progressive chronic knee pain. No previous trauma.
Patient Data
Age: 45 years
Gender: Male
Preoperative MRI with contrast
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Thickening of the whole ACL with cystic cavities within its proximal portion. There is marked contrast enhancement around the cysts, possibly caused by granulation tissue.
10 mth after arthroscopic...
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10 mth after arthroscopic debulking of the ACL
The cysts have been totally resected.
Case Discussion
Mucoid degeneration of the ACL is a rare condition that may lead to diffuse knee pain either in itself or by the formation of ganglion cysts.