Presentation
Bilateral flank pain
Patient Data
Age: 20 years
Gender: Male
From the case:
Medullary sponge kidney
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/31899/annotated_viewer_json?lang=us"}
Dilated contrast filled tubules within the renal medulla giving the "paintbrush appearance".
Tiny right renal stone.