Abstract
Os trigonum identified after trauma to heel
Highlights
A 47-year-old man presented to the Emergency Department in November 2021 with right foot pain and difficulty walking
Oblique and lateral right ankle X-rays were obtained and demonstrated the accessory bone (Figure 1), and the patient was diagnosed with an os trigonum
An os trigonum can occur in up to 49% of people and is usually unilateral [1, 3, 4, 6]
Summary
A 47-year-old man presented to the Emergency Department in November 2021 with right foot pain and difficulty walking. The patient had undergone trauma to the right ankle after a cut tree trunk snapped back and hit his posterior heel. He presented the day after developing mild pain in the right lateral midfoot and pain with ambulation.
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