Abstract：
UNASSIGNED: Congenital mesoblastic nephroma is an extremely rare, low-grade malignant renal tumor in children. A 10-month-old boy and a 4-month-old girl were admitted to our hospital with a huge abdominal mass. For staging of the mass, 18 F-FDG PET/CT and PET/MR were performed showing a huge heterogeneous abdominal mass accompanied by extensive heterogeneous aggregation. Both of them were highly suspected to be Wilms tumor, the most common renal malignant tumor in children. However, histopathological examination after surgery confirmed congenital mesodermal nephroma.
摘要：
■先天性中胚层肾瘤是一种极其罕见的，儿童低度恶性肾脏肿瘤。一名10个月大的男孩和一名4个月大的女孩因腹部巨大肿块入院。对于弥撒的分期，进行18F-FDGPET/CT和PET/MR检查，显示巨大的异质腹部肿块，并伴有广泛的异质聚集。他们都被高度怀疑是Wilms肿瘤，儿童最常见的肾脏恶性肿瘤。然而,手术后病理检查证实为先天性中胚层肾瘤。
