Which of the following is not true about osteoid osteoma
Answer-C. Lesion appears ill defined on x-ray with permeative marginsOsteoid osteoma is the most common true benign tumor of the boneThe tumor occurs between 10-30 years of age and is more common in males.The diaphysis of long bones is involved, most common bone involved is the tibia followed by femurOn X-ray, there is a small radiolucent area (nidus) surrounded by dense sclerosis.X-ray, in some cases, show local sclerotic thickening of the shaft that may obscure the small central nidus within the area of rarefaction.
Most common true benign tumor of bone
Occurs between 10 - 30 years of age
Lesion appears ill defined on x-ray with permeative margins
Bone scan shows increased uptake in the lesion