Special Sono-Case: A structured Doppler ultrasound examination of a xenotransplant kidney, presented as an emerging postoperative surveillance case.

Why this case matters

Xenotransplantation introduces unfamiliar anatomy and evolving clinical protocols. The sonographer must document perfusion and complications carefully without overinterpreting Doppler indices using assumptions derived only from conventional allografts.

The case covers

• Graft location, morphology, and collecting system
• Main and intrarenal arterial and venous Doppler
• Serial comparison and technical reproducibility
• Collections, thrombosis, obstruction, and cautious reporting

Educational material only. This fictional, deidentified case does not replace local protocol, radiologist interpretation, or individualized medical care.

Dr. Godefroy A. Watchiba, MD, RDMS, RVT