Similar Uptake of 99mTc-MDP and 67Ga-Citrate at the Sites of Metastatic Calcification

A 59-year-old woman presented with fever for 2 weeks. The patient had end-stage renal disease and was undergoing dialysis therapy for 10 years. Plain radiographs revealed extensive calcification in the subcutaneous tissues of the shoulders, thighs, and hips. In this case, 99mTC-MDP bone scan detected all sites of subcutaneous metastatic calcification in one sweep. 67Ga-citrate scintigraphy was also performed and showed similar uptake at the same locations as those revealed by the bone scan, suggesting the existence of an inflammatory process at the sites of metastatic calcification.

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