Echo-free renal masses on ultrasound: the stethoscope as an adjunct to their diagnosis.
A patient with an intrarenal arteriovenous malformation is described. Ultrasound suggested this to be a renal cyst but auscultation revealed a loud bruit and, on the basis of this, arteriography rather than cyst puncture was carried out.
D001164:Arteriovenous Fistula / Q000175:diagnosis*; D001314:Auscultation; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D008875:Middle Aged; D011859:Radiography; D012077:Renal Artery / Q000000981:diagnostic imaging; D012082:Renal Veins; D014463:Ultrasonography