Anterior cruciate ligament mucoid degeneration with ganglion cyst

Case contributed by Dr Roberto Schubert

Presentation

Slowly progressive chronic knee pain. No previous trauma.

Patient Data

Age: 45
Gender: Male

Preoperative MRI with contrast

Modality: MRI

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 months after arthroscopic debulking ofthe ACL

Modality: MRI

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.

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Case Information

rID: 14672
Case created: 21st Aug 2011
Last edited: 30th Aug 2015
Inclusion in quiz mode: Included

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