CASE 178
History: A 19-year-old man presents with weight loss and abdominal distention.
1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)
2. Which of the following statements regarding Wilms’ tumor is true?
A. Almost all Wilms’ tumors are solitary lesions.
B. Age at presentation is most commonly 5 to 10 years.
C. The tumor is typically well defined, surrounded by a pseudocapsule.
D. Children with associated congenital abnormalities usually present later.
3. Which of the following statements regarding renal cell carcinoma (RCC) is true?
A. Tumor calcification usually forms a thin peripheral rim.
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