Complete APN Recovery at follow-up
Boy, at the age of 6 months presented with 40 ° C fever, severe decay, anorexia. CBC and urinalysis => Acute Pyelonephritis. ultrasound and DMSA scan were compatible with APN. At left first study shows bilateral defects.Underwent antibiotic treatment. Control at 2 year old, patient was asymptomatic. A follow-up DMSA scan was requested. Normal tracer distribution in both kidneys.
Usually the recovery of the parenchyma is slow regardless of the therapy effectiveness and may take as long as 12 months to 18 months. Six months may not be enough (2).
References:
1 Rossleigh MA. Renal infection and vesico-ureteric reflux.Semin Nucl Med. 2007 Jul;37(4):261-8.
2 Grbac-Ivanković S, Smokvina A, Girotto N, Licul V. Initial presentation of scintigraphic changes during the first episode of acute pyelonephritis in children: simultaneous evaluation with MAG3 and DMSA. Nuklearmedizin. 2007;46(4):129-34.