Incidence of renal scarring on technetium-99 m dimercaptosuccinic acid renal scintigraphy after acute pyelonephritis, acute focal bacterial nephritis, and renal abscess

Utility of MRI in diagnosis and treatment of acute focal bacterial nephritis with abscess formation in a paediatric patient

“…Owing to radiation exposure and the possibility of contrast agent-induced side effects, contrast-enhanced CT is not always recommended for paediatric patients with suspected urinary tract infections. However, severe renal infections such as AFBN and RA tend to result in renal scarring diagnosed via chronic-phase DMSA renal scintigraphy 10. In this case, the patient was treated with antimicrobials for 3 weeks and had no renal scarring.…”

Computer-assisted decision support for the usage of preventive antibacterial therapy in children with febrile pyelonephritis: A preliminary study

“…In this study, only the images were adopted to implement the diagnosis on the febrile pyelonephritis. However, emerging evidence suggests that the fusion of multimodal medical images could potentially enhance the accuracy of computer-aided diagnosis [34] , such as medical diagnostics and segmentation [35] , [36] . In our future work, we will combine the multimodal medical images and design fusion algorithm to improve the diagnostic performance for febrile pyelonephritis.…”

Complete Remission of Renal Scarring in Follow-Up DMSA Renal Scintigraphy After Urinary Tract Infection

“…However, the timing of the second chronic phase of DMSA renal scintigraphy varied. 18,[21][22][23][24] The patients were excluded if (1) their UTI was clinically diagnosed between the first and second chronic-phase DMSA scintigraphy (n = 7); (2) surgical interventions for the kidney, such as segmental/total renal resection, arterial embolization, or kidney drainage, had already been performed before the first chronic phase of DMSA renal scintigraphy (n = 4); and (3) abnormal findings were not observed in the first chronic phase of DMSA scintigraphy (n = 2).…”

“…Abnormal findings, such as renal scarring, on chronic phase DMSA renal scintigraphy, were defined and classified into the following categories based on the severity of image findings: grade 0; normal tracer uptake and renal contour; grade 1, decrease in tracer uptake without diminishing renal cortical contour (Figure 1); grade 2, defect of cortical contour-decrease in tracer uptake with diminishing renal cortical contour (Figure 2); and grade 3, renal atrophy (Figures 3 and 4). 15,18,19,[21][22][23][24][31][32][33][34][35][36] Grade 0 was diagnosed as absence of renal scarring on DMSA renal scintigraphy, and grades 1 to 3 were diagnosed as presence of renal scarring. 3-month-old male patient with decreased renal uptake in the first chronic phase DMSA renal scintigraphy, which diminished in the second chronic phase DMSA.…”