B超诊断左膝关节游离体1例
Chinese Journal of Ultrasound Diagnosis（2005）
Abstract
患者男,17岁.主诉左膝关节周围可触及数个活动性肿物,无压痛,时有关节嵌顿,影响活动.采用东芝140彩超诊断仪,探头频率8 MHz.超声所见:左膝关节前外及前内侧可探及2个椭圆状低回声团,大小分别为29 mm×12 mm(前外)、25 mm×10 mm(前内),边界光滑,内部可见强回声带(图1),后方声影不明显.
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