Results Small tumors in the two colons as hypoechoic masses under the cyst.

目的探讨内置水囊法超声诊断直肠和乙状结肠小肿瘤的价值.

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Ultrosound showed hypoechoic cystic nodules. % of patients with echo - enhancement behind the nodules . % ofand 77.3 % of.

呈低回声囊性肿块. %显示肿块后回声增强77.3%囊壁不规则.

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A focal mass with large hypoechoic areas may be seen in areas with secondary tumor necrosis.

肿瘤中心区的大片低回声可能是继发的肿瘤坏死.

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Neurofibromas are well defined and may appear homogeneously hypoechoic to hyperechoic, with posterior enhancement.

平滑肌瘤界限清晰,可表现为均质低回声到高回声, 伴后方增强.

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The blur or hypoechoic changes of wall linear edge were also valuable in cholecystitis diagnosis.

胆囊壁内缘强回声带的模糊或者呈弱回声带以及整个胆囊壁回声均匀减低是诊断胆囊炎有价值的特征.

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