Osteoid osteoma is a rare entity in the tarsal bones especially in children. High degree of suspicion is needed for early diagnosis and delay in diagnosis can cause significant disability. Radiofrequency ablation (RFA) is safe, minimally invasive method especially to treat juxta-articular and inaccessible lesions. Atypical Osteoid osteoma can present with clinical features similar to that monoarticular juvenile idiopathic arthritis. This case highlights the unique features of a rare entity and a successful method of treating Osteoid Osteoma of the Talus with radiofrequency ablation after procuring tissue for biopsy by a novel method.