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患者男性,17岁。2个月前无明显诱因发现胸骨上凹可及一肿物。查体:胸骨上凹可及一肿物,2 cm×2 cm大小,皮肤表面正常,肿物质软,活动可,无明显压痛,边界清楚,表面光滑,活动度差,不随吞咽上下活动,周围未触及肿大淋巴结。颈部B超示于胸骨上凹可探及2.5 cm×2 cm×1.5 cm大小囊实性包块,部分低回声液化,形态不规则,有包膜。颈部CT示胸骨上凹肿块影,边缘较清,内密度不均(图1,2)。
Patient male, 17 years old. 2 months ago no obvious incentive to find concave on the sternum and a tumor. Examination: the sternum can be concave and a tumor, 2 cm × 2 cm size, the skin surface is normal, the swollen material is soft, activity can be, no tenderness, clear boundary, smooth surface, poor mobility, without swallowing up and down around the activity Did not touch the enlarged lymph nodes. Neck B ultrasound showed in the sternum concave exploration and 2.5 cm × 2 cm × 1.5 cm size cystic mass, part of the hypoechoic liquefaction, irregular shape, a capsule. Cervical CT showed stenosis on the sternum, more clear edge, uneven density (Figure 1,2).