Medial dislocation of the medial meniscus

Area of Science:

• Orthopedic Surgery
• Sports Medicine
• Knee Anatomy

Background:

• Medial meniscus instability can cause significant knee pain and functional limitation.
• The etiology of medial meniscus dislocation, particularly without trauma, is not fully understood.
• Predisposing factors may include anatomical variations like a lax meniscotibial ligamentous attachment.

Observation:

• A case of symptomatic medial meniscus dislocation in an otherwise healthy knee with no history of trauma is presented.
• The patient experienced functional impairment due to meniscal instability, impacting daily activities.
• Diagnostic evaluation revealed a predisposition to dislocation, possibly due to a less firm meniscal bony insertion.

Findings:

• The patient's medial meniscus dislocated symptomatically without any precipitating traumatic event.
• Conservative management was not detailed, but the instability significantly affected the patient's quality of life.
• Surgical intervention, specifically reconstruction of the meniscotibial ligaments, was performed.

Implications:

• This case highlights a rare presentation of medial meniscus dislocation and suggests potential underlying anatomical factors.
• Operative stabilization through meniscotibial ligament reconstruction appears to be an effective treatment for symptomatic medial meniscus instability.
• Further research into predisposing factors and optimal surgical techniques for meniscal instability is warranted.