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Renal Abscess: Filling in with Tc-99m Ciprofloxacin of Defects Seen on Tc-99m DMSA SPECT

par Dumarey, Nicolas ;Schoutens, André
Référence Clinical nuclear medicine, 28, 1, page (68-69)
Publication Publié, 2003-01

Article révisé par les pairs

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Résumé :

Tc-99m DMSA SPECT and Tc-99m ciprofloxacin SPECT images were sequentially acquired (time span, 3 days) in a 21-year-old woman with clinical signs of an upper urinary tract infection, an inflammatory syndrome, and urine cultures positive for Escherichia coli. The patient had an undocumented history of pyelonephritis a few years earlier. A wedge-shaped defect seen in the lateral cortex of the left kidney on Tc-99m DMSA SPECT was filled in on the Tc-99m ciprofloxacin scan. These findings were in favor of an acute inflammatory process and not of a new episode of pyelonephritis or a structural abnormality. Contrast-enhanced computed tomography (CT) revealed the presence of an abscess at this site. To our knowledge, no such case of cold-hot kidney lesions on sequential Tc-99m DMSA and ciprofloxacin SPECT studies has been reported.