Table 1.

Clinico-radiological considerations in CT guided RFA³

Clinical considerations
1	Informed written consent
2	Pain intensity as per age-specific pain assessment methods
Imaging considerations
1	Visibility of nidus on CT
2	Nidus size not more than 1.5 cm.
3	Distance of the nidus from skin.
4	Distance of the nidus from neurovascular bundle.
5	Distance of the nidus from cartilage.
6	Distance of the nidus from bowel.
Exclusion criteria
1	Lesion not visible on CT
2	Lesion is complicated with fracture
3	Lesion is less than 10 mm away from skin, neurovascular bundle, cartilage, bowel
4	Active infection
5	Contraindication to anaesthesia
6	INR <1.3, Platelet count <50,000
7	Contraindication to CT/ RFA: pregnancy
8	Serious cardiovascular, neurological, renal or haematological chronic disease