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THE USE OF ISOTOPE BONE SCANS TO INVESTIGATE SKELETAL PAIN IN CHILDREN



Abstract

To determine the usefulness of isotope bone scintigraphy in investigating skeletal pain in children, we reviewed the bone scans, plain radiographs and clinical notes of consecutive children under 16 years of age presenting to children’s orthopaedic surgeons at two teaching hospitals in one city.

There were 229 patients, of which 87 were boys and 142 girls. They had an average age of 11 years. 139 were investigated for back pain and 90 for skeletal pain in the appendicular skeleton. They were investigated for a variety of conditions including idiopathic back and skeletal pain, scoliosis, Scheuermann’s disease, spondylolysis, osteomyelitis and postoperative pain.

There were positive scans in 4 out of 78 patients with idiopathic back pain, and 13 out of 64 with idiopathic skeletal pain.

Overall the positive scan rate for all conditions was 10% for back conditions and 22% for pain in the appendicular skeleton.

Of all patients with back pain the management was altered in only 3 children. Of all those investigated for appendicular skeletal pain, the management was altered in 6 children. Isotope bone scanning is a low yield and non-specific investigation that imparts a significant dose of radiation to the patient.

It should not be used as a first line investigation for idiopathic back or skeletal pain in children. Other tools such as MRI should be considered initially.

It still has a role in the investigation of children with obvious abnormality on radiographs, with spondylolysis and probably where there are worrying clinical features to the pain such as night pain and recent onset.

The role of bone scanning in the investigation of skeletal pain should be re-evaluated in the investigation of skeletal pain.

The abstracts were prepared by Mr Simon Donell. Correspondence should be addressed to him at the Department of Orthopaedics, Norfolk & Norwich Hospital, Level 4, Centre Block, Colney Lane, Norwich NR4 7UY, United Kingdom