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目的：探讨新生儿肾上腺出血的影像学特征。材料与方法：男５例，女２例，年龄４小时～１４天。７天以下５例，全部病例均作Ｂ超检查，其中４例在１周后复查；３例同时作ＣＴ检查，１例于８天后复查。结果：（１）Ｂ超：肾上腺出血７例中，表现为无或低回声团块５例，强弱不均回声团块２例。（２）ＣＴ：３例均为右侧肾上腺出血。平扫肾上腺区呈圆形或椭圆形低密度囊状肿块影，增强扫描均无强化。（３）全部复查病例显示血肿形态、大小、密度（回声）均有改变。结论：新生儿肾上腺出血诊断主要依据其影像学表现
Objective: To investigate the imaging characteristics of neonatal adrenal hemorrhage. Materials and Methods: 5 males and 2 females, aged 4 hours to 14 days. Five cases were below 7 days. All the cases were examined by B-mode ultrasonography. Four cases were reviewed after one week. Three cases were examined by CT at the same time and one case was reviewed after 8 days. Results: (1) B ultrasound: Adrenal hemorrhage in 7 cases, showed no or low echo mass in 5 cases, uneven intensity of echo mass in 2 cases. (2) CT: 3 cases were right adrenal hemorrhage. Plain adrenal area was round or oval low-density cystic mass shadow enhancement scan without enhancement. (3) All review cases showed hematoma morphology, size, density (echo) have changed. Conclusion: The diagnosis of neonatal adrenal hemorrhage mainly based on its imaging findings