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Questions and Answers
What ultrasound characteristics may allow accurate recognition of a renal angiomyolipoma in the early stages?
What ultrasound characteristics may allow accurate recognition of a renal angiomyolipoma in the early stages?
- Well-circumscribed, hyperechogenic, and homogeneous mass with back wall attenuation as the tumour grows (correct)
- Diffuse, hyperechogenic, and heterogeneous mass with central necrosis and strong back wall echoes
- Irregular, hypoechoic, and heterogeneous mass with front wall attenuation as the tumour grows
- Well-circumscribed, hypoechogenic, and homogeneous mass with front wall attenuation as the tumour grows
What ultrasound findings are indicative of calcified hydatid cysts?
What ultrasound findings are indicative of calcified hydatid cysts?
- Hypoechoic irregular mass with posterior enhancement
- Hypoechoic mass with well-defined margins and no internal echoes
- Bright, echogenic convex line with acoustic shadowing (correct)
- Diffuse hyperechoic mass with internal debris
How do congenital cysts in the kidney differ from alveolar echinococcosis?
How do congenital cysts in the kidney differ from alveolar echinococcosis?
- Congenital cysts are hyperechoic and may contain debris, while alveolar echinococcosis presents as multiple bilateral cysts in the kidney
- Congenital cysts are echo-free and without mural calcification, while alveolar echinococcosis may cause kidney enlargement (correct)
- Congenital cysts are always enlarged and may show back wall attenuation, while alveolar echinococcosis presents as echo-free lesions
- Congenital cysts appear as irregular masses with acoustic shadowing, while alveolar echinococcosis presents as a well-circumscribed, hyperechogenic mass
What is a characteristic ultrasound finding of a benign renal tumour other than renal cysts?
What is a characteristic ultrasound finding of a benign renal tumour other than renal cysts?
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What can ultrasound not reliably differentiate between?
What can ultrasound not reliably differentiate between?
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