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患者女性，２０岁。发现颈部包块数月，不伴疼痛，无发热。左颈部触及一质地柔软边界欠清的包块，收入院。应用ＥＵＢ－５６５Ａ型彩色多普勒显像仪（探头频率７．５ＭＨｚ）。患者取仰卧位头后仰，于左颈部（包括颈前、后区）查见约８．３ｃｍ×５．３ｃｍ×４．５ｃｍ大...
Female patient, 20 years old. It was found that the neck was blocked for several months without pain and without fever. The left neck touched a mass with a soft texture border and was admitted to the hospital. Application of EUB-565A color Doppler imaging instrument (probe frequency 7.5MHz). The patient took a supine position and headed back and looked in the left neck (including the front and back of the neck) about 8.3cm x 5.3cm x 4.5cm...