Figure 1 Quiz of the Week A 37-year-old female presents to her family physician with recurring abdominal and flank pain. She mentions her mother suffered from kidney problems but doesn’t know many details. Examination reveals a blood pressure of 170/110 mmHg and proteinuria is present on dipstick. Laboratory tests show an elevated hematocrit, microalbuminuria, and…
What’s causing this characteristic appearance on CT?
![Figure 1 Quiz of the Week](https://www.amsa.org/wp-content/uploads/2021/02/2018-04-25-figure-1_quiz-of-the-week-1.jpg)