The most common renal tumor in children older than 6 months and younger than 12 years of age is:

Question:

	1. Neuroblastoma.
	2. Wilms tumor.
	3. Teratoma.
	4. Clear Cell Sarcoma.
	5. Mesoblastic Nephroma.

Answer:

The correct answer for the question "The most common renal tumor in children older than 6 months and younger than 12 years of age is:" is:

2. Wilms tumor.

Explanation
A. Neuroblastoma is not the most common renal tumor in children older than 6 months and younger than 12 years of age. [Wilms tumor, which accounts for 6-7% of all pediatric malignancies, is the most common renal tumor in children older than 6 months and younger than 12 years of age.]

B. Wilms tumor is the most common renal tumor in children older than 6 months and younger than 12 years of age. [Wilms tumor, which accounts for 6-7% of all pediatric malignancies, is the most common renal tumor in children older than 6 months and younger than 12 years of age.]

C. Teratoma is not the most common renal tumor in children older than 6 months and younger than 12 years of age. [Wilms tumor, which accounts for 6-7% of all pediatric malignancies, is the most common renal tumor in children older than 6 months and younger than 12 years of age.]

D. Clear cell Sarcoma is not the most common renal tumor in children older than 6 months and younger than 12 years of age. [Wilms tumor, which accounts for 6-7% of all pediatric malignancies, is the most common renal tumor in children older than 6 months and younger than 12 years of age.]

E. Mesoblastic nephroma is not the most common renal tumor in children older than 6 months and younger than 12 years of age. [Wilms tumor, which accounts for 6-7% of all pediatric malignancies, is the most common renal tumor in children older than 6 months and younger than 12 years of age.]

From the manuscript:
A Case of Clear Cell Sarcoma of the Kidney
Radiology Case. 2011 Feb; 5(2):8-12

This article belongs to the Pediatric section.

From the manuscript

A Case of Clear Cell Sarcoma of the Kidney

Free full text article: A Case of Clear Cell Sarcoma of the Kidney

Abstract
Clear cell renal sarcoma is a rare tumor and comprises 4% of primary pediatric malignant renal tumors. It is known as an aggressive tumor with poor prognosis. Clinically and radiographically, it resembles Wilms tumor. We present a case of a child with an abdominal mass that was diagnosed as clear cell sarcoma of her right kidney.

References

1. Hadley GP, Sheik-Gafoor. Clear cell sarcoma of the kidney in children: experience in a developing country. Pediatric Surgery International 26:345-348, 2010.
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