1案例资料某男,38岁。某日被他人用霰弹枪击中双大腿。医院查体见:双大腿前侧见散在分布较多细颗粒状的圆形创口,直径6mm左右,部分创口边缘沾有黑色污物。伤后3h的X线片(图1)示双大腿皮下浅、深层肌组织内见散在分布大量颗粒状的高密度金属异物阴影,胸部正位片(图2)示左肺下叶有二处颗粒状的金属异物影,右胸第8肋间隙于脊柱旁见二处颗粒状的金属异物阴影,第10肋间隙脊柱旁见一处颗粒状 A case of a male, 38 years old. One day someone was shot with a shotgun double thigh. See the hospital examination: see the front of the double thigh scattered in the distribution of more fine granular round wound diameter of about 6mm, some wound edge stained with black dirt. 3h after injury, the X-ray film (Figure 1) showed the double thigh subcutaneous shallow, deep muscle tissue scattered scattered in a large number of granular high-density metallic foreign body shadow, chest anteroposterior film (Figure 2) shows the left lower lobe has two Granular metallic foreign body shadow, the right chest eighth intercostal space in the spine to see two granular metal foreign body shadow, the tenth intercostal space next to a spine see a granular