患者男,22岁。因“感冒”就诊,体检发现左胸上部锁骨上区肿物,质较硬,不活动,有压痛。局部皮肤色泽、温度正常。听诊:左上肺呼吸音低,无干、湿罗音,右肺及心脏正常。实验室检查无特殊。 X线检查:左侧第一肋骨前端见一约6.5×6.0cm大小类圆形肿物,边缘光滑,轮廓清楚。局部放大片示肿物骨质呈膨胀性囊状改变,壁菲薄但完整,无骨膜反应和硬化现象。其内见纤细的小梁间隔影,周围无软组 Male patient, 22 years old. Because of “cold” treatment, physical examination found the upper left supraclavicular area of ​​the tumor, the quality of hard, inactive, tenderness. Local skin color, temperature is normal. Auscultation: left upper lung breath sounds low, dry, wet rales, right lung and heart normal. No special laboratory test. X-ray examination: the front of the first rib on the left to see a size of about 6.5 × 6.0cm round tumor, smooth edges, clear outline. Local enlarged film showed swollen cysts mass showed cystic changes, the thin wall but complete, no periosteal reaction and sclerosis. See inside the slender trabecular interval shadow, no soft tissue around