Assessment of tumor vascularity in hepatocellular carcinoma: Comparison of power Doppler US and color Doppler US

Riccardo Lencioni, Fabio Pinto, Nicola Armillotta, Carlo Bartolozzi

Research output: Contribution to journalArticle

162 Citations (Scopus)

Abstract

PURPOSE: To compare power Doppler ultrasound (US) with conventional color Doppler US for the assessment of tumor vascularity in hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Fifty-one patients with 88 histologically proved HCCs were examined with power and color Doppler US according to a standardized examination protocol. Findings at Doppler studies of each lesion were correlated with findings at digital subtraction angiography. RESULTS: Angiography revealed neovascularization or staining in 75 (85%) of 88 lesions. Intratumoral color signals with an arterial Doppler spectrum were detected in 69 (92%) of 75 angiographically hypervascular tumors at power Doppler US and in 55 (73%) of 75 at color Doppler US (P <.01). Blood flow signals with an arterial Doppler spectrum were not detected at power or color Doppler US in any of the 13 angiographically hypovascular tumors. The small size and the deep location of the lesion significantly reduced (P <.05) the detection rate of blood flow signals at color Doppler US but did not affect the results of power Doppler US. CONCLUSION: Power Doppler US is superior to conventional color Doppler imaging in the depiction of tumor vascularity in HCC.

Original languageEnglish (US)
Pages (from-to)353-358
Number of pages6
JournalRadiology
Volume201
Issue number2
StatePublished - Nov 1996
Externally publishedYes

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Doppler Ultrasonography
Hepatocellular Carcinoma
Color
Neoplasms
Digital Subtraction Angiography
Angiography
Staining and Labeling

Keywords

  • Liver neoplasms, blood supply
  • Liver neoplasms, US
  • Liver, angiography
  • Ultrasound (US), Doppler studies

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Lencioni, R., Pinto, F., Armillotta, N., & Bartolozzi, C. (1996). Assessment of tumor vascularity in hepatocellular carcinoma: Comparison of power Doppler US and color Doppler US. Radiology, 201(2), 353-358.

Assessment of tumor vascularity in hepatocellular carcinoma : Comparison of power Doppler US and color Doppler US. / Lencioni, Riccardo; Pinto, Fabio; Armillotta, Nicola; Bartolozzi, Carlo.

In: Radiology, Vol. 201, No. 2, 11.1996, p. 353-358.

Research output: Contribution to journalArticle

Lencioni, R, Pinto, F, Armillotta, N & Bartolozzi, C 1996, 'Assessment of tumor vascularity in hepatocellular carcinoma: Comparison of power Doppler US and color Doppler US', Radiology, vol. 201, no. 2, pp. 353-358.
Lencioni, Riccardo ; Pinto, Fabio ; Armillotta, Nicola ; Bartolozzi, Carlo. / Assessment of tumor vascularity in hepatocellular carcinoma : Comparison of power Doppler US and color Doppler US. In: Radiology. 1996 ; Vol. 201, No. 2. pp. 353-358.
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N2 - PURPOSE: To compare power Doppler ultrasound (US) with conventional color Doppler US for the assessment of tumor vascularity in hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Fifty-one patients with 88 histologically proved HCCs were examined with power and color Doppler US according to a standardized examination protocol. Findings at Doppler studies of each lesion were correlated with findings at digital subtraction angiography. RESULTS: Angiography revealed neovascularization or staining in 75 (85%) of 88 lesions. Intratumoral color signals with an arterial Doppler spectrum were detected in 69 (92%) of 75 angiographically hypervascular tumors at power Doppler US and in 55 (73%) of 75 at color Doppler US (P <.01). Blood flow signals with an arterial Doppler spectrum were not detected at power or color Doppler US in any of the 13 angiographically hypovascular tumors. The small size and the deep location of the lesion significantly reduced (P <.05) the detection rate of blood flow signals at color Doppler US but did not affect the results of power Doppler US. CONCLUSION: Power Doppler US is superior to conventional color Doppler imaging in the depiction of tumor vascularity in HCC.

AB - PURPOSE: To compare power Doppler ultrasound (US) with conventional color Doppler US for the assessment of tumor vascularity in hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Fifty-one patients with 88 histologically proved HCCs were examined with power and color Doppler US according to a standardized examination protocol. Findings at Doppler studies of each lesion were correlated with findings at digital subtraction angiography. RESULTS: Angiography revealed neovascularization or staining in 75 (85%) of 88 lesions. Intratumoral color signals with an arterial Doppler spectrum were detected in 69 (92%) of 75 angiographically hypervascular tumors at power Doppler US and in 55 (73%) of 75 at color Doppler US (P <.01). Blood flow signals with an arterial Doppler spectrum were not detected at power or color Doppler US in any of the 13 angiographically hypovascular tumors. The small size and the deep location of the lesion significantly reduced (P <.05) the detection rate of blood flow signals at color Doppler US but did not affect the results of power Doppler US. CONCLUSION: Power Doppler US is superior to conventional color Doppler imaging in the depiction of tumor vascularity in HCC.

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