Which term describes a malignant tumor of the kidney that occurs in young children?

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Multiple Choice

Which term describes a malignant tumor of the kidney that occurs in young children?

Explanation:
A malignant tumor of the kidney in young children is Wilms tumor (nephroblastoma). It arises from embryonic kidney tissue and is the most common kidney cancer in kids, usually occurring around ages 2–4. Clinically it often presents as a painless abdominal mass and may accompany hypertension or blood in the urine. The other terms refer to stones or non-tumor conditions (nephrolithiasis and cystolith), which are not malignant tumors, so they don’t fit. Wilms tumor best matches the description.

A malignant tumor of the kidney in young children is Wilms tumor (nephroblastoma). It arises from embryonic kidney tissue and is the most common kidney cancer in kids, usually occurring around ages 2–4. Clinically it often presents as a painless abdominal mass and may accompany hypertension or blood in the urine. The other terms refer to stones or non-tumor conditions (nephrolithiasis and cystolith), which are not malignant tumors, so they don’t fit. Wilms tumor best matches the description.

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