Pseudo-ataxia due to Osteoid Osteoma.

Background: Ataxia is diagnosed by typical features on examination suggestive of a cerebellar etiology and can invoke extensive diagnostic testing. Osteoid osteomas (OOs) are benign bone tumors of the lower limbs that occasionally present with focal neurological signs.

Case Report: A 3-year-old male presented with apparent progressive gait ataxia and non-specific leg pain.