Determination of ureter stent appearance on dual-energy computed tomography scan

Maria A. Jepperson, David D. Thiel, Joesph G. Cernigliaro, Gregory A. Broderick, Alexander Parker, William E Haley

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Objective: To examine the dual-energy computed tomography (DECT) properties of 7 commonly used ureteral stents to optimize stent selection for calculi monitored using DECT. The use of DECT to evaluate renal and ureteral calculi has recently increased. Methods: Seven stents were individually placed in a fish bowl phantom and imaged using a Siemens Somatom Definition Flash CT scanner. DECT peak tube potentials of 80 and 140 kVp and 100 and 140 kVp were used, reflecting our current dual-energy protocols. These were compared to 31 in vivo stents of known composition. The data were reconstructed on a multimodality WorkPlace (Siemens) using CT syngo Post-Processing Suite software. Results: The average patient age was 64 years (range 27-90). The average body mass index was 31.9 kg/m2 (range 24-51.6). Of the 27 patients, 4 had uric acid stones and 22 had calcium-based stones; 1 patient had undergone renal transplantation. No difference was seen in the dual-energy characterization of stents from the same manufacturer. All imaged Cook and Bard stents had a dual-energy characterization that approached that of calcium stones (blue). All Boston Scientific and Gyrus ACMI stents had a dual-energy characterization resembling that of uric acid stones (red). Conclusion: The present study evaluated the stent appearance on DECT for various stent manufacturers. This information will aid in the optimal stent selection for patients undergoing treatment of renal calculi and followed up with DECT.

Original languageEnglish (US)
Pages (from-to)986-989
Number of pages4
JournalUrology
Volume80
Issue number5
DOIs
StatePublished - Nov 2012

Fingerprint

Ureter
Stents
Tomography
Kidney Calculi
Uric Acid
lissamine rhodamine B
Ureteral Calculi
Calcium
Calculi
Workplace
Kidney Transplantation
Patient Selection
Fishes
Body Mass Index
Software

ASJC Scopus subject areas

  • Medicine(all)
  • Urology

Cite this

Determination of ureter stent appearance on dual-energy computed tomography scan. / Jepperson, Maria A.; Thiel, David D.; Cernigliaro, Joesph G.; Broderick, Gregory A.; Parker, Alexander; Haley, William E.

In: Urology, Vol. 80, No. 5, 11.2012, p. 986-989.

Research output: Contribution to journalArticle

Jepperson, Maria A. ; Thiel, David D. ; Cernigliaro, Joesph G. ; Broderick, Gregory A. ; Parker, Alexander ; Haley, William E. / Determination of ureter stent appearance on dual-energy computed tomography scan. In: Urology. 2012 ; Vol. 80, No. 5. pp. 986-989.
@article{2b3b48a7efca4e929015ec513d6cd5ae,
title = "Determination of ureter stent appearance on dual-energy computed tomography scan",
abstract = "Objective: To examine the dual-energy computed tomography (DECT) properties of 7 commonly used ureteral stents to optimize stent selection for calculi monitored using DECT. The use of DECT to evaluate renal and ureteral calculi has recently increased. Methods: Seven stents were individually placed in a fish bowl phantom and imaged using a Siemens Somatom Definition Flash CT scanner. DECT peak tube potentials of 80 and 140 kVp and 100 and 140 kVp were used, reflecting our current dual-energy protocols. These were compared to 31 in vivo stents of known composition. The data were reconstructed on a multimodality WorkPlace (Siemens) using CT syngo Post-Processing Suite software. Results: The average patient age was 64 years (range 27-90). The average body mass index was 31.9 kg/m2 (range 24-51.6). Of the 27 patients, 4 had uric acid stones and 22 had calcium-based stones; 1 patient had undergone renal transplantation. No difference was seen in the dual-energy characterization of stents from the same manufacturer. All imaged Cook and Bard stents had a dual-energy characterization that approached that of calcium stones (blue). All Boston Scientific and Gyrus ACMI stents had a dual-energy characterization resembling that of uric acid stones (red). Conclusion: The present study evaluated the stent appearance on DECT for various stent manufacturers. This information will aid in the optimal stent selection for patients undergoing treatment of renal calculi and followed up with DECT.",
author = "Jepperson, {Maria A.} and Thiel, {David D.} and Cernigliaro, {Joesph G.} and Broderick, {Gregory A.} and Alexander Parker and Haley, {William E}",
year = "2012",
month = "11",
doi = "10.1016/j.urology.2012.07.005",
language = "English (US)",
volume = "80",
pages = "986--989",
journal = "Urology",
issn = "0090-4295",
publisher = "Elsevier Inc.",
number = "5",

}

TY - JOUR

T1 - Determination of ureter stent appearance on dual-energy computed tomography scan

AU - Jepperson, Maria A.

AU - Thiel, David D.

AU - Cernigliaro, Joesph G.

AU - Broderick, Gregory A.

AU - Parker, Alexander

AU - Haley, William E

PY - 2012/11

Y1 - 2012/11

N2 - Objective: To examine the dual-energy computed tomography (DECT) properties of 7 commonly used ureteral stents to optimize stent selection for calculi monitored using DECT. The use of DECT to evaluate renal and ureteral calculi has recently increased. Methods: Seven stents were individually placed in a fish bowl phantom and imaged using a Siemens Somatom Definition Flash CT scanner. DECT peak tube potentials of 80 and 140 kVp and 100 and 140 kVp were used, reflecting our current dual-energy protocols. These were compared to 31 in vivo stents of known composition. The data were reconstructed on a multimodality WorkPlace (Siemens) using CT syngo Post-Processing Suite software. Results: The average patient age was 64 years (range 27-90). The average body mass index was 31.9 kg/m2 (range 24-51.6). Of the 27 patients, 4 had uric acid stones and 22 had calcium-based stones; 1 patient had undergone renal transplantation. No difference was seen in the dual-energy characterization of stents from the same manufacturer. All imaged Cook and Bard stents had a dual-energy characterization that approached that of calcium stones (blue). All Boston Scientific and Gyrus ACMI stents had a dual-energy characterization resembling that of uric acid stones (red). Conclusion: The present study evaluated the stent appearance on DECT for various stent manufacturers. This information will aid in the optimal stent selection for patients undergoing treatment of renal calculi and followed up with DECT.

AB - Objective: To examine the dual-energy computed tomography (DECT) properties of 7 commonly used ureteral stents to optimize stent selection for calculi monitored using DECT. The use of DECT to evaluate renal and ureteral calculi has recently increased. Methods: Seven stents were individually placed in a fish bowl phantom and imaged using a Siemens Somatom Definition Flash CT scanner. DECT peak tube potentials of 80 and 140 kVp and 100 and 140 kVp were used, reflecting our current dual-energy protocols. These were compared to 31 in vivo stents of known composition. The data were reconstructed on a multimodality WorkPlace (Siemens) using CT syngo Post-Processing Suite software. Results: The average patient age was 64 years (range 27-90). The average body mass index was 31.9 kg/m2 (range 24-51.6). Of the 27 patients, 4 had uric acid stones and 22 had calcium-based stones; 1 patient had undergone renal transplantation. No difference was seen in the dual-energy characterization of stents from the same manufacturer. All imaged Cook and Bard stents had a dual-energy characterization that approached that of calcium stones (blue). All Boston Scientific and Gyrus ACMI stents had a dual-energy characterization resembling that of uric acid stones (red). Conclusion: The present study evaluated the stent appearance on DECT for various stent manufacturers. This information will aid in the optimal stent selection for patients undergoing treatment of renal calculi and followed up with DECT.

UR - http://www.scopus.com/inward/record.url?scp=84868204176&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84868204176&partnerID=8YFLogxK

U2 - 10.1016/j.urology.2012.07.005

DO - 10.1016/j.urology.2012.07.005

M3 - Article

VL - 80

SP - 986

EP - 989

JO - Urology

JF - Urology

SN - 0090-4295

IS - 5

ER -