Nephroblastoma vs. Neuroblastoma, Metastasis Liver
Left picture: Considering the age of the patient and the shape as well as the expansion of the mass, the most probable diagnosis is a nephroblastoma and less probably a neuroblastoma. In fact, in this case a Wilm´s tumor of the right kidney was present. Right picture: Concerning the age, shape and extension, there is every reason to believe that a liver tumor is the diagnosis and less probably that of one of the two most frequent retroperitoneal malignancies. This infant displays a very large liver due to metastasis of a neuroblastoma.
Left picture: Toddler with a mass im the right upper and middle belly, the border of which is palpable and marked and reaches the midline. On the left side of the midline there are distended intestinal loops. Right picture: Male infant with a very large abdomen. The depicted line corresponds to a connected mass, the left border of which can be discovered by percussion and palpation.