Clinical application of computed tomography on prostate volume estimation in patients with lower urinary tract symptoms

Tae Wook Kang, Jae Mann Song, Kwang Jin Kim, Hyun Keun Byun, Young Joo Kim, Hyunchul Chung, Yun Byung Chae, Hong Wook Kim, Jaehung Jung

Research output: Contribution to journalArticle

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Abstract

Purpose: To compare estimated prostate volume (PV) based on computed tomography (CT) scan and transrectal ultrasonography (TRUS) in patients with lower urinary tract symptoms (LUTS). Materials and Methods: Between January 2010 and October 2012, 107 consecutive patients with LUTS were analyzed, retrospectively. PV measures were performed by the means of ellipsoid formula (PV = π/6 [width (cm) thickness (cm) length (cm)]) from TRUS (PVTRUS) and CT (PVCT ellipsoid). In addition, PV was calculated as the sum of the area of each slice and the CT slice interval using commercial software program (PVCT 3D reconstruction). Results: Mean PVCT ellipsoid was 40.63 ± 31.06 cm3 (range, 8.34-217.46). Mean PVTRUS and PVCT 3D reconstruction were 39.20 ± 33.04 (range, 4.00-223.81) and 45.30 ± 32.98 (range, 8.90-248.30), respectively. PVCT ellipsoid was highly correlated with PVTRUS and PVCT 3D reconstruction (r = 0.935, P < .001; r = .970, P < .001, respectively). Moreover, there was very strong agreement for PV measurements with all three methods (intraclass correlation coefficient = 0.934, P < .001). Conclusion: PVCT ellipsoid is adequate method for quick volume assessment with reasonable accuracy. Therefore, we can easily predict PV by CT scan using ellipsoid formula without performing additional TRUS in patients with LUTS.

Original languageEnglish
Pages (from-to)1980-1983
Number of pages4
JournalUrology Journal
Volume11
Issue number6
Publication statusPublished - 2014 Jan 1

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Lower Urinary Tract Symptoms
Prostate
Tomography
Ultrasonography
Cone-Beam Computed Tomography
Software

All Science Journal Classification (ASJC) codes

  • Urology

Cite this

Kang, Tae Wook ; Song, Jae Mann ; Kim, Kwang Jin ; Byun, Hyun Keun ; Kim, Young Joo ; Chung, Hyunchul ; Chae, Yun Byung ; Kim, Hong Wook ; Jung, Jaehung. / Clinical application of computed tomography on prostate volume estimation in patients with lower urinary tract symptoms. In: Urology Journal. 2014 ; Vol. 11, No. 6. pp. 1980-1983.
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title = "Clinical application of computed tomography on prostate volume estimation in patients with lower urinary tract symptoms",
abstract = "Purpose: To compare estimated prostate volume (PV) based on computed tomography (CT) scan and transrectal ultrasonography (TRUS) in patients with lower urinary tract symptoms (LUTS). Materials and Methods: Between January 2010 and October 2012, 107 consecutive patients with LUTS were analyzed, retrospectively. PV measures were performed by the means of ellipsoid formula (PV = π/6 [width (cm) thickness (cm) length (cm)]) from TRUS (PVTRUS) and CT (PVCT ellipsoid). In addition, PV was calculated as the sum of the area of each slice and the CT slice interval using commercial software program (PVCT 3D reconstruction). Results: Mean PVCT ellipsoid was 40.63 ± 31.06 cm3 (range, 8.34-217.46). Mean PVTRUS and PVCT 3D reconstruction were 39.20 ± 33.04 (range, 4.00-223.81) and 45.30 ± 32.98 (range, 8.90-248.30), respectively. PVCT ellipsoid was highly correlated with PVTRUS and PVCT 3D reconstruction (r = 0.935, P < .001; r = .970, P < .001, respectively). Moreover, there was very strong agreement for PV measurements with all three methods (intraclass correlation coefficient = 0.934, P < .001). Conclusion: PVCT ellipsoid is adequate method for quick volume assessment with reasonable accuracy. Therefore, we can easily predict PV by CT scan using ellipsoid formula without performing additional TRUS in patients with LUTS.",
author = "Kang, {Tae Wook} and Song, {Jae Mann} and Kim, {Kwang Jin} and Byun, {Hyun Keun} and Kim, {Young Joo} and Hyunchul Chung and Chae, {Yun Byung} and Kim, {Hong Wook} and Jaehung Jung",
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Kang, TW, Song, JM, Kim, KJ, Byun, HK, Kim, YJ, Chung, H, Chae, YB, Kim, HW & Jung, J 2014, 'Clinical application of computed tomography on prostate volume estimation in patients with lower urinary tract symptoms', Urology Journal, vol. 11, no. 6, pp. 1980-1983.

Clinical application of computed tomography on prostate volume estimation in patients with lower urinary tract symptoms. / Kang, Tae Wook; Song, Jae Mann; Kim, Kwang Jin; Byun, Hyun Keun; Kim, Young Joo; Chung, Hyunchul; Chae, Yun Byung; Kim, Hong Wook; Jung, Jaehung.

In: Urology Journal, Vol. 11, No. 6, 01.01.2014, p. 1980-1983.

Research output: Contribution to journalArticle

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AU - Kang, Tae Wook

AU - Song, Jae Mann

AU - Kim, Kwang Jin

AU - Byun, Hyun Keun

AU - Kim, Young Joo

AU - Chung, Hyunchul

AU - Chae, Yun Byung

AU - Kim, Hong Wook

AU - Jung, Jaehung

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N2 - Purpose: To compare estimated prostate volume (PV) based on computed tomography (CT) scan and transrectal ultrasonography (TRUS) in patients with lower urinary tract symptoms (LUTS). Materials and Methods: Between January 2010 and October 2012, 107 consecutive patients with LUTS were analyzed, retrospectively. PV measures were performed by the means of ellipsoid formula (PV = π/6 [width (cm) thickness (cm) length (cm)]) from TRUS (PVTRUS) and CT (PVCT ellipsoid). In addition, PV was calculated as the sum of the area of each slice and the CT slice interval using commercial software program (PVCT 3D reconstruction). Results: Mean PVCT ellipsoid was 40.63 ± 31.06 cm3 (range, 8.34-217.46). Mean PVTRUS and PVCT 3D reconstruction were 39.20 ± 33.04 (range, 4.00-223.81) and 45.30 ± 32.98 (range, 8.90-248.30), respectively. PVCT ellipsoid was highly correlated with PVTRUS and PVCT 3D reconstruction (r = 0.935, P < .001; r = .970, P < .001, respectively). Moreover, there was very strong agreement for PV measurements with all three methods (intraclass correlation coefficient = 0.934, P < .001). Conclusion: PVCT ellipsoid is adequate method for quick volume assessment with reasonable accuracy. Therefore, we can easily predict PV by CT scan using ellipsoid formula without performing additional TRUS in patients with LUTS.

AB - Purpose: To compare estimated prostate volume (PV) based on computed tomography (CT) scan and transrectal ultrasonography (TRUS) in patients with lower urinary tract symptoms (LUTS). Materials and Methods: Between January 2010 and October 2012, 107 consecutive patients with LUTS were analyzed, retrospectively. PV measures were performed by the means of ellipsoid formula (PV = π/6 [width (cm) thickness (cm) length (cm)]) from TRUS (PVTRUS) and CT (PVCT ellipsoid). In addition, PV was calculated as the sum of the area of each slice and the CT slice interval using commercial software program (PVCT 3D reconstruction). Results: Mean PVCT ellipsoid was 40.63 ± 31.06 cm3 (range, 8.34-217.46). Mean PVTRUS and PVCT 3D reconstruction were 39.20 ± 33.04 (range, 4.00-223.81) and 45.30 ± 32.98 (range, 8.90-248.30), respectively. PVCT ellipsoid was highly correlated with PVTRUS and PVCT 3D reconstruction (r = 0.935, P < .001; r = .970, P < .001, respectively). Moreover, there was very strong agreement for PV measurements with all three methods (intraclass correlation coefficient = 0.934, P < .001). Conclusion: PVCT ellipsoid is adequate method for quick volume assessment with reasonable accuracy. Therefore, we can easily predict PV by CT scan using ellipsoid formula without performing additional TRUS in patients with LUTS.

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