In suspected RCC, what enhancement pattern on contrast-enhanced CT is typical?

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Prepare for the Urology and Nephrology Test with focused study materials. Utilize flashcards and multiple-choice questions featuring hints and explanations. Ensure your readiness for the examination.

Multiple Choice

In suspected RCC, what enhancement pattern on contrast-enhanced CT is typical?

Explanation:
RCCs are highly vascular tumors, so on contrast-enhanced CT they typically show marked enhancement compared with normal renal parenchyma. The enhancement is often irregular or heterogeneous because parts of the tumor may be necrotic, hemorrhagic, or cystic within the mass. This combination of strong, early enhancement with an uneven internal pattern is characteristic for RCC. Other renal masses may be hypovascular or uniformly enhancing, but the hypervascular, often heterogeneous pattern is the most typical for RCC.

RCCs are highly vascular tumors, so on contrast-enhanced CT they typically show marked enhancement compared with normal renal parenchyma. The enhancement is often irregular or heterogeneous because parts of the tumor may be necrotic, hemorrhagic, or cystic within the mass. This combination of strong, early enhancement with an uneven internal pattern is characteristic for RCC. Other renal masses may be hypovascular or uniformly enhancing, but the hypervascular, often heterogeneous pattern is the most typical for RCC.

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