Renal cyst pseudoenhancement at 16- and 64-dector row MDCT

Victor Sai, Rebecca Rakow-Penner, Benjamin M. Yeh, Fergus Coakley, Antonio C. Westphalen, Emma M. Webb, Zhen J. Wang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Objective: To evaluate the presence of renal cyst pseudoenhancement at 16- and 64-row multidetector computed tomography (MDCT) in patients. Methods: MDCT images from 90 patients with renal cysts >. 1 cm in diameter (n= 122) were retrospectively analyzed for the presence and predictors of cyst pseudoenhancement. Results: Fifty-three percent of cysts 1-2 cm demonstrated pseudoenhancement (ranged from 11 to 35 HU). Cyst pseudoenhancement was more pronounced when imaged with 64-row CTs compared to 16-row CT. Cyst size, postcontrast renal parenchymal density, and number of scanner detector rows were independent predictors of pseudoenhancement. Conclusion: Pseudoenhancement occurs most frequently in patients with renal cysts <2 cm imaged with 64-detector-row MDCT.

Original languageEnglish (US)
Pages (from-to)520-525
Number of pages6
JournalClinical Imaging
Volume37
Issue number3
DOIs
StatePublished - May 2013
Externally publishedYes

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Multidetector Computed Tomography
Cysts
Kidney

Keywords

  • CT
  • Pseudoenhancement
  • Renal cyst

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Sai, V., Rakow-Penner, R., Yeh, B. M., Coakley, F., Westphalen, A. C., Webb, E. M., & Wang, Z. J. (2013). Renal cyst pseudoenhancement at 16- and 64-dector row MDCT. Clinical Imaging, 37(3), 520-525. https://doi.org/10.1016/j.clinimag.2012.09.016

Renal cyst pseudoenhancement at 16- and 64-dector row MDCT. / Sai, Victor; Rakow-Penner, Rebecca; Yeh, Benjamin M.; Coakley, Fergus; Westphalen, Antonio C.; Webb, Emma M.; Wang, Zhen J.

In: Clinical Imaging, Vol. 37, No. 3, 05.2013, p. 520-525.

Research output: Contribution to journalArticle

Sai, V, Rakow-Penner, R, Yeh, BM, Coakley, F, Westphalen, AC, Webb, EM & Wang, ZJ 2013, 'Renal cyst pseudoenhancement at 16- and 64-dector row MDCT', Clinical Imaging, vol. 37, no. 3, pp. 520-525. https://doi.org/10.1016/j.clinimag.2012.09.016
Sai V, Rakow-Penner R, Yeh BM, Coakley F, Westphalen AC, Webb EM et al. Renal cyst pseudoenhancement at 16- and 64-dector row MDCT. Clinical Imaging. 2013 May;37(3):520-525. https://doi.org/10.1016/j.clinimag.2012.09.016
Sai, Victor ; Rakow-Penner, Rebecca ; Yeh, Benjamin M. ; Coakley, Fergus ; Westphalen, Antonio C. ; Webb, Emma M. ; Wang, Zhen J. / Renal cyst pseudoenhancement at 16- and 64-dector row MDCT. In: Clinical Imaging. 2013 ; Vol. 37, No. 3. pp. 520-525.
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