PMC6377914_01
Gait Disturbance Due to Osteoid Osteoma. Six months after symptom onset, the patient had a significantly wide-based gait and was unable to perform tandem gait or walk on his toes. Our retrospective analysis reveals a subtle gait asymmetry favoring the right leg that is evident while running; however, no other signs or symptoms localizing to the right leg are evident. Two months following surgery, the patient is walking normally.
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X-ray of the right femur was also normal (Figure 1A). A subsequent set of X-rays showed a circumscribed opacity on the distal end of the right femur (Figure 1B). Postoperative radiology shows the bone scar (Figure 1C).