Presentation
Hematuria. History of bipolar disorder.
Patient Data
Kidneys: Normal in size. Both display numerous tiny echogenic cortical foci displaying twinkle artifact. Otherwise normal, without any large focal lesion or hydronephrosis.
Discussed with the referring clinician, who confirms the patient is on long term lithium therapy.
The kidneys are diffusely abnormal, both displaying very numerous sub 5 mm hypodense cortical lesions without enhancement, consistent with microcysts. No renal calcifications. No abnormality of the renal parenchyma or collecting systems. Only the proximal
Bilateral renal microcystic change.
Case Discussion
This patient had moderate chronic kidney disease, GFR 55.