Cyst following meniscal repair.

Area of Science:

• Orthopedic Surgery
• Sports Medicine
• Biomaterials Science

Background:

• Meniscal tears are common knee injuries, often treated with surgical repair to restore joint function.
• Suture-anchor systems are frequently used in meniscal repair, offering a stable fixation method.
• While generally successful, potential complications of meniscal repair require ongoing investigation.

Observation:

• A 30-year-old male patient experienced meniscal cyst formation one year post-successful meniscal repair.
• The repair utilized a hybrid suture-anchor meniscal repair system.
• The cyst was surgically excised for diagnosis and treatment.

Findings:

• The excised meniscal cyst was found to be in direct continuity with fragments of the suture-anchor material.
• This suggests a potential link between the suture-anchor system and subsequent cyst development.
• The patient achieved an uneventful recovery following cyst excision.

Implications:

• This case highlights a rare complication of meniscal repair using hybrid suture-anchor systems.
• It underscores the importance of considering foreign body reactions or material degradation as potential causes of post-operative cysts.
• Further research into the long-term biocompatibility and potential fragmentation of suture-anchor systems in meniscal repair is warranted.