We treated 58 patients with osteoid osteoma by CT-guided radiofrequency ablation (RF). In 16 it followed one or two unsuccessful open procedures. It was performed under general anaesthesia in 48, and spinal anaesthesia in ten. The nidus was first located by thin-cut CT (2 to 3 mm) sections. In hard bony areas a 2 mm coaxial drill system was applied. In softer areas an 11-gauge Jamshidi needle w...

The clinical and radiological features of 38 children with osteoid osteomas were analysed retrospectively. Twenty nine patients had lesions of the femur (n = 17) or tibia (n = 12). The mean duration from the onset of symptoms to diagnosis was 13.8 months. In seven patients the history of pain and abnormalities on examination suggested a possible neurological disorder. Fourteen of 29 patients (4...

A 32-year-old male patient presented to our clinic with chronic left knee pain that was ongoing for about 1.5 years. The patient visited several times our clinic and the other clinics; conservative treatment (including rest, knee brace, and ice application with NSAIDs) was recommended by various different doctors. The anamnesis, physical examination, and plain radiography were nonspecific. Earl...

A 51-year old female referred to our department on July 2000 with a 21/2 years history of intense, aching knee pain, present day and night, well localized at the patella. There was no history of previous trauma, nor relief with non-steroidal antiflammatory agents administration. Regarding past medical history, hypertension was only recorded. Physical examination revealed mild effusion, no redne...