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例1 男,50岁。诉:右颌下肿块渐大三月伴胀痛。体检右颌下肿块2×2cm,质中,活动好。临床拟诊:右侧颌下腺炎。超声所见:右颌下腺肿大,前缘见 3.9×3.8cm低回声肿块,边界欠清晰,形态不规则,表面高低不平,内部回声呈实质性,强弱不均。后方无衰减,无声影。彩超示肿物边缘及内部动脉血流丰富,呈篮网状,边缘动脉收缩期峰速(PSV)高达125cm/s,舒张末期谷速(VE)为
Example 1 male, 50 years old. V. The right jaw submandibular mass with March pain. Right submaxillary mass examination 2 × 2cm, quality, activity is good. Clinical trial: the right submandibular gland inflammation. Ultrasound seen: the right submandibular gland enlargement, the front edge see 3.9 × 3.8cm hypoechoic tumor, the border is not clear, irregular shape, the surface rugged, internal echo was substantial, uneven strength. No attenuation behind, silent film. Ultrasonography showed abundant blood flow in the margins and internal arteries of the tumors, showing a basket-like network. The peak systolic velocity (PSV) of peripheral artery was as high as 125 cm / s, and the end-diastolic velocity (VE)