4岁儿童肾脏，形态较小，含有呈分叶状的灰白色肿块，称为wilms瘤。现在知道，许多wilms瘤的发病和11号染色体的基因缺陷有关。有wilm瘤的儿童常因肿块生长而表现为腹部增大。现在，此病治疗后的5年生存率>90％。
This small kidney from a 4 year old child contains a lobulated tan-white mass. This is Wilm's tumor of the kidney. Many are now known to be associated with genetic defects on chromosome 11. The children with Wilm's tumor usually present with abdominal enlargement from the mass effect. Nowadays, treatment gives a better than 90% 5 year survival.
