目的探讨胎儿肝静脉的多普勒血流频谱及其临床意义。
Objective To study the Doppler flow spectrum of fetal hepatic vein.
结论：彩色多普勒血流频谱形态在小乳腺癌早期诊断中具有较高的应用价值。
Conclusion: The color Doppler flow spectrum have high applicated value in early diagnosis of small mammary cancer.
结论彩色多普勒血流频谱形态是鉴别甲状腺良恶性肿块的一项值得重视的指标。
Conclusions: The Doppler flow spectrum is an important index for differential diagnosis of thyroid lumps.
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