Case Challenge

Foot & Ankle

Stephen J Pomeranz

Gain confidence interpreting Foot & Ankle MRI Cases with MRI Online. Quiz yourself using real-world, interactive scrollable cases & earn CME. Try it free!

Case Review

Musculoskeletal (MSK)

Post-Course Activities

This Power Pack is comprised of 25 unique Foot / Ankle MRI cases that you can scroll through in our diagnostic web viewer to determine your findings. Quiz yourself and earn CME.

Foot & Ankle MRI Cases

Case 3 - 24-year-old male presents with inversion injury on right ankle

<div>HISTORY:&#160;This 17-year-old female woke up with a painful swollen right foot, and has a history of tarsometatarsal ligament sprain.(QUIZ ANSWER) A FINDING IN THIS CASE:Split tear of the peroneus brevis tendon.Using the&#160;diagnostic web viewer, we have provided images that assist in telling our clinical story. Areas of significance are indicated below.FINDINGS: Two-part ankle rupture includes the anterior talofibular ligament and calcaneofibular ligament.&#160;&#160;Superior peroneal retinaculum is torn. No passive static subluxation.&#160;Retromalleolar, inframalleolar 3-4cm split tear of the peroneus brevis.&#160;Peroneus longus normal.&#160;Medial tendon group shows posterior tibial tendon interstitial tendinopathy, chronic.&#160;Large anterolateral soft tissue hematoma/clinical ecchymosis.&#160;High ankle normal.&#160;Subtalar space swollen but, talocalcaneal interosseous ligament, cervical ligament, frondiform/stem ligament all intact.&#160;Talar Dome: Spared.&#160;Occult Fractures: None.&#160;Extensor Tendons: Normal.&#160;Deltoid: Swollen and injured due to inversion pinch phenomenon.&#160;Other: a) Os trigonum, b) old corticated subtalar osseous fragment.&#160;CONCLUSION:&#160;Low ankle two part ankle rupture with peroneus brevis split tear and tear of the superior peroneal retinaculum. No passive peroneus subluxation.</div>

Case

Which of the following is a finding in this case?