SONOWORLD : Renal arteriovenous fistula

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Vascular » Visceral vascular

Renal arteriovenous fistula

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Author(s) :

Vikram Dogra, MD

Shweta Bhatt, MD

Presentation A 35 year old male, 24 hours status post renal transplant was referred to assess for acute rejection. He had undergone an intraoperative biopsy.

Caption: Longitudinal color Doppler of transplant kidney

Description: There is increased vascularity in the upper pole with aliasing.

Caption: Spectral waveform analysis

Description: There is arterialization of venous flow with increased turbulence. This is consistent with an arteriovenous fistula.

Differential Diagnosis Renal arteriovenous fistula

Final Diagnosis Renal arteriovenous fistula

Discussion A dicussion on renal arteriovenous fistula has been previously published on SonoWorld [click here to view]. The previously published case demonstrated the abnormal arterial waveform characteristic of AV fistula whereas the current case illustrates arterialization of a venous waveform.