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Transrectal contrast enhanced ultrasound in distinguishing benign from malignant nodes of prostate / 中国医学影像技术
Chinese Journal of Medical Imaging Technology ; (12): 1867-1870, 2009.
Artículo en Chino | WPRIM | ID: wpr-471818
ABSTRACT
Objective To evaluate diagnostic value of transrectal gray scale contrast enhanced ultrasound (CEUS) in distinguishing benign from malignant nodes of prostate. Methods Thirty-three patients with 38 prostate nodes underwent real-time transrectal gray scale CEUS with SonoVue and contrast pulsed sequence (CPS). Contrast enhancement pattern of the prostate nodes were recorded and time-intensity curves (TIC) were drawn to calculate the parameters and difference between benign and malignant nodes. Results Twenty benign nodes (17 in inner gland) and 18 malignant ones (14 in external gland) were confirmed by pathology. Compared with normal peripheral zone, malignant lesions showed significantly earlier time to enhancement. The time to peak (TTP), accelerating time (ACT) and peak intensity (PI) of malignant lesions were lower than those of benign lesions (P0.05). Conclusion Of all parameters in CEUS, TTP, ACT and PI are different between prostate benign and malignant lesions, and thus contribute to discriminate prostate cancer from benign diseases.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Medical Imaging Technology Año: 2009 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Medical Imaging Technology Año: 2009 Tipo del documento: Artículo