Spina P, Minniti S, Bragheri R
Department of Paediatric Surgery, I.R.C.C.S. Policlinico S. Matteo, Pavia, Italy.
Pediatr Radiol. 2000 Dec;30(12):840-1. doi: 10.1007/s002470000353.
Foreign-body ingestion occurs frequently in childhood. The diagnosis of ingestion is usually made by plain film radiography. Ultrasound is not routinely used in the investigation of gastric foreign bodies because of the limitations imposed by intestinal gas. This drawback can be overcome by distending the stomach with an anechoic liquid, which acts as an acoustic window. In a child who had ingested a coin, US performed after drinking tea was diagnostic and showed a hyperechoic image with an acoustic shadow inside the stomach. We believe that US is an appropriate technique for follow-up of gastric foreign bodies.
异物摄入在儿童时期很常见。摄入异物的诊断通常通过普通X线摄影进行。由于肠道气体的限制，超声通常不用于胃内异物的检查。通过用无回声液体充盈胃来克服这一缺点，无回声液体可作为声学窗口。在一名摄入硬币的儿童中，喝茶后进行的超声检查具有诊断价值，显示胃内有高回声图像并伴有声影。我们认为超声是胃内异物随访的合适技术。
