Citation, DOI & article data
Persistent nephrograms occur when intravenous contrast media is retained by both kidneys for more than 3 minutes.
Persistent nephrograms are characteristically bilateral and are usually distinguished from delayed nephrograms, which occur unilaterally.
- can be a feature of CT hypoperfusion complex
- bilateral intrarenal obstruction
- acute tubular necrosis
- acute urate nephropathy
- vascular causes
- bilateral obstructive uropathy
- proteinuria - myeloma kidney
- contrast nephropathy
- 1. Ely A. Wolin, David S. Hartman, J. Ryan Olson. Nephrographic and Pyelographic Analysis of CT Urography: Differential Diagnosis. (2013) American Journal of Roentgenology. 200 (6): 1197-203. doi:10.2214/AJR.12.9692 - Pubmed
- 2. Machida S, Imai N, Shibagaki Y. Persistent Nephrogram. (2016) Internal medicine (Tokyo, Japan). 55 (24): 3687-3688. doi:10.2169/internalmedicine.55.7448 - Pubmed