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Three patients are reported: two with acute renal failure (ARF) and acute interstitial nephritis (AIN); and one with ARF and rapidly progressive glomerulonephritis (RPGN). In the latter two cases, a percutaneous renal biopsy was performed. In both AIN cases, 2-[18F] fluoro-2-deoxy-D-glucose (FDG) positron emission tomography combined with computed tomography (PET-CT) showed high and diffuse FDG uptake in the renal parenchyma without excretion. Based on the diagnosis of AIN, probable offending drugs were discontinued. Consequently, ARF and AIN recovered gradually in both cases, though haemodialysis (HD) was performed several times. On the other hand, the patient who presented with ARF and RPGN did not accumulate FDG absolutely. Maintenance HD had to be initiated in this patient. FDG-PET-CT might become an auxiliary examination for the diagnosis and follow-up of AIN in oliguric or HD patients. [ABSTRACT FROM PUBLISHER]

Background. It is difficult to diagnose tuberculosis (TB) in dialysis patients because of the high rate of extrapulmonary TB in these patients compared with the general population. Recently, a new diagnostic test called QuantiFERON (QFT) has been developed and shown promise as a diagnostic tool for active TB diseases and latent TB infection. [ABSTRACT FROM PUBLISHER]