Presentation
Renal mass on ultrasound.
Patient Data
Age: 55 years
Gender: Female
From the case:
Bosniak renal cyst - type I
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Axial non-contrast
Hypoattenuating cysts characterized as homogeneous thin-walled and nonenhancing fluid-attenuation lesions.
From the case:
Bosniak renal cyst - type I
Illustration of the commonest type of Bosniak cyst - a type I ( simple cyst ).
Case Discussion
Hypoattenuating cysts characterized as homogeneous thin-walled, nonenhancing fluid-attenuation lesions are classified on Bosniak category I, and are rarely problematic when encountered incidentally at contrast–enhanced CT.
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