Aggressive angiomyolipoma

Case contributed by Dr Chris O'Donnell

Presentation

Incidental finding on upper abdominal US. Asymptomatic.

Patient Data

Age: 70
Gender: Female
Ultrasound

Echogenic mass consistent with fat and without blood flow entering the renal sinus.  Renal vein invasion was not appreciated.

CT

Hypodense mass with HU of -62 (fat) arising in the upper pole cortex of the kidney and entering the renal vein and possibly the extra-renal fat at the upper pole adjacent to the adrenal

Case Discussion

This is a rare but recognized complication of AML.  It is not a sign of true malignancy rather a locally aggressive phenomenon that is treated by nephrectomy in order to prevent spread to the lungs as emboli.

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Case information

rID: 55765
Case created: 24th Sep 2017
Last edited: 2nd Oct 2017
System: Urogenital
Inclusion in quiz mode: Included

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