A 47 year-old woman with lumbago for 7 months but without hematuria. She doubted that may due to practice belly twirling.
Ultrasound detected incidentally an upper pole renal cystic lesion # 13x23mm in B mode with aliasing sign on Doppler ultrasound. RI = 0.3-0.5 and V= 130-230 cm/sec. It maybe an intrarenal AVM.
MSCT confirmed an intrarenal AVM that created an intrarenal aneurysm and managed stenting successfully the AVM.
Doppler ultrasound could differentialize an intrarenal aneurysm from a renal cystic lesion while B mode ultrasound could not to do.
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