PMID: 9163831Apr 1, 1997Paper

Delayed CT in acute renal infection

Seminars in Ultrasound, CT, and MR
L Dalla-PalmaF Pozzi-Mucelli

Abstract

CT scans of the kidneys obtained approximately 3 hours after contrast administration often reveal useful information in patients with renal infections. In this article, we discuss three main features of these delayed scans. Feature 1 shows a nephrogram replacing a variable portion of the low density areas present in the early enhanced phase. The nephrogram can be streaky, band-like, cone or horseshoe-shaped; Feature 2 exhibits a focal staining or a hyperdense rim surrounding microabscesses and macroabscesses; Feature 3, very rare, is characterized by hyperdense areas located far from the lesions detected on early scans. These features make it possible to better define the actual extent of infection and the presence of the edema, improving diagnostic confidence.

References

Jun 1, 1986·AJR. American Journal of Roentgenology·C M RigsbyJ Hodson
Sep 1, 1985·Journal of Computer Assisted Tomography·I IshikawaY Futyu
Jun 1, 1982·Journal of Computer Assisted Tomography·E N RauschkolbT L Childs
Jun 1, 1995·Clinical Radiology·L Dalla-PalmaR S Pozzi-Mucelli
Aug 1, 1994·Radiology·L B TalnerS M Goldman

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Citations

Feb 22, 2000·Radiographics : a Review Publication of the Radiological Society of North America, Inc·P J PickhardtB J Wagner
Dec 24, 2005·Annales D'urologie·L LemaitreJ Biserte
Oct 7, 2009·Nature Reviews. Urology·Rasheed ZakariaTomas Rosenbaum
Aug 31, 2006·Emergency Radiology·Rivka ZissinYona Kitay-Cohen
Oct 17, 2002·Renal Failure·Cristiana RollinoFrancesco Quarello
Aug 29, 2000·BJU International·A KawashimaS M Goldman

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