Peroneal Tendon Injuries

Question 1

What type of tears result from chronic peroneal tendon subluxation?

Answer 1

Longitudinal tears.

Usually of peroneus brevis

Question 2

What is the relationship of the peroneals at the lateral malleolus?

Answer 2

Peroneus brevis lies anterior and medial to the peroneus longus. The braves lies on the posterior aspect of the lateral malleolus

Question 3

What is non-operative treatment for peroneal tendon dislocation?

Answer 3

Short leg cast and NWB 6 weeks; only 50% successful

Question 4

What is operative management for peroneal tendon dislocations?

Answer 4

Acute repair in high level athletes

Groove deepening with soft tissue transfer

Question 5

What physical exam finding differentiates perennial tendon subluxation v. peroneus braves tear?

Answer 5

Both will have pain and tenderness and pain with resisted eversion. Tears will not have instability like dislocation or subluxation.

Question 6

Disruption of what anatomic structure can lead to peroneal tendon subluxation?

Answer 6

Superficial peroneal retinacular ligament.

Question 7

What foot positioning can lead disruption of the superficial perennial reticular ligament?

Answer 7

Dorsiflexion and inversion.

Can see a “rim fracture” on X-ray