Bone Scanning in the Detection of Occult Fractures

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Abstract
The potential role of bone scanning in the early detection of occult fractures following acute trauma was investigated. 99mTc-pyrophosphate bone scans were obtained in patients with major clinical findings (e.g., pain, swelling, tenderness) and negative or equivocal roentgenograms following trauma. Bone scanning facilitated the prompt diagnosis of occult fractures in the hip, knee, wrist, ribs and costochondral junctions, sternum, vertebrate, sacrum and coccyx. Several illustrative cases are presented. Roentgenographic confirmation occurred following a delay of days to weeks and, in some instances, the roentgenographic findings were subtle and could be easily overlooked. Bone scanning is invaluable and definitive in the prompt detection of occult fractures.