进一步的MRI检查显示符合后纵隔水囊状淋巴管瘤的囊状结构和不典型的神经管原肠囊肿及重复性囊肿。
Follow-up MRI demonstrated a cystic structure consistent with a posterior mediastinal cystic hygroma and was atypical for both a neurenteric cyst and a duplication cyst.
目的：探讨小儿肠重复畸形的超声图像特征及与肠系膜囊肿的鉴别。
Purpose: To evaluate the ultrasonic manifestation of intestinal duplication in children and its differentiation from mesenteric cyst.
结果小儿纵隔肠源性囊肿多位于中后纵隔，呈圆形或椭圆形，密度均匀，边缘清楚。
Results All the cysts were located in mid-posterior mediastinum, presenting as a round or oval mass with clear border and homogeneous density.
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