Presentation
Incidental complex renal cyst on ultrasound.
Patient Data
Age: 60 years
Gender: Male
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/23466/annotated_viewer_json?iframe=true\u0026lang=us"}
Cystic left renal lower pole mass with enhancing nodular components and multiple thick enhancing septations. Appearance is consistent with a 'clearly malignant' Bosniak IV renal cyst.
From the case:
Renal cyst - Bosniak IV
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/23475/annotated_viewer_json?iframe=true\u0026lang=us"}
An illustrative example of a Type IV cyst
Case Discussion
Nephrectomy was performed and the lesion was confirmed to be a renal cell carcinoma, as was an adjacent smaller lesion which can be seen directly superior to the larger mass.