A 6-week-old boy is brought to the hospital for fussiness and abdominal distension. He was febrile on presentation and was admitted to the hospital for further evaluation. On subsequent examinations, he continued to demonstrate abdominal distension and tenderness to palpation. Ultrasonography of the abdomen was performed and revealed a heterogeneous liver mass. With further diagnostics, a diagnosis was made and treatment initiated, with the infant experiencing resolution of his symptoms. Our panel of experts first discuss the management of an infant with abdominal distension, then discuss the evaluation of a liver mass in an infant, including oncologic, vascular, and infectious etiologies.

中文翻译：

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一名 6 周龄男童，易激惹和腹胀。


一名 6 周大的男童因烦躁和腹胀被送往医院。病人就诊时发热，被送入医院接受进一步评估。在随后的检查中，他继续表现出腹胀和触诊压痛。进行腹部超声检查，发现肝脏肿块不均匀。通过进一步的诊断，做出诊断并开始治疗，婴儿的症状得到缓解。我们的专家小组首先讨论婴儿腹胀的处理，然后讨论婴儿肝脏肿块的评估，包括肿瘤、血管和感染性病因。