Zhonghua nan ke xue = National journal of andrology · 2007
[Ultrasonographic changes in the epididymis after long-term vasectomy].
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Cao Li-ting, Yang Zheng-wei, Gu Peng, Zhang Min-hui, Zhang Qing, Deng Xian-zhong, Wang Ji-zhong
Аннотация
OBJECTIVE: To evaluate the ultrasonographic changes in the epididymis after long-term vasectomy.
METHODS: Sixty-four patients with a history of vasectomy for more than 10 years (vasectomy group) and another 60 without vasectomy (control group) were included in the study. The patients were referred to scrotal ultrasonography for epididymal indications. The shape, thickness and internal echoes of the head, body and tail of the epididymis were observed with high frequency ultrasonography (HFU), and the blood flow changes were observed with color Doppler flow imaging (CDFI) or color Doppler power imaging (CDPI).
RESULTS: Significantly higher rates were found in the vasectomy group than in the control: thickened body (64.1% vs 15.0%) and tail (78.1% vs 51.7%) of the epididymis, thickened head, body and tail (42.2% vs 8.3%) of the epididymis, and epididymal tubular ectasia (54.7% vs 8.3%). However, increased blood flow in the epididymis was seen at a significantly lower rate in the vasectomy group than in the control (15.6% vs 61.7%).
CONCLUSION: The ultrasonographic changes in the epididymis after long-term vasectomy were mainly epididymis thickening and epididymal tubular ectasia, mostly with no or diminished blood flow in the epididymis.
METHODS: Sixty-four patients with a history of vasectomy for more than 10 years (vasectomy group) and another 60 without vasectomy (control group) were included in the study. The patients were referred to scrotal ultrasonography for epididymal indications. The shape, thickness and internal echoes of the head, body and tail of the epididymis were observed with high frequency ultrasonography (HFU), and the blood flow changes were observed with color Doppler flow imaging (CDFI) or color Doppler power imaging (CDPI).
RESULTS: Significantly higher rates were found in the vasectomy group than in the control: thickened body (64.1% vs 15.0%) and tail (78.1% vs 51.7%) of the epididymis, thickened head, body and tail (42.2% vs 8.3%) of the epididymis, and epididymal tubular ectasia (54.7% vs 8.3%). However, increased blood flow in the epididymis was seen at a significantly lower rate in the vasectomy group than in the control (15.6% vs 61.7%).
CONCLUSION: The ultrasonographic changes in the epididymis after long-term vasectomy were mainly epididymis thickening and epididymal tubular ectasia, mostly with no or diminished blood flow in the epididymis.