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Damaged ureter detected on a bone scan.

Tc-99m phosphate compounds are used widely to detect bone lesions, especially bone metastases, and they may also accumulate in extraosseous lesions. Any diphosphonate that is not taken up by bone is excreted in the urine. Many examples of renal disease have been detected on bone scans. Presented here are the bone scan findings in a 55-year-old woman with carcinoma of the cervix and an iatrogenically damaged ureter. It is one of the rare cases detected initially on a bone scan.