Kidney Stone On The Ultrasound. Guiding your doctor to insert a needle for a tissue biopsy of your kidney. Most scientist agree on the fact that ultrasound simply is not sufficient enough to detect very small kidney stones.
Ct scan is certainly useful for surgical planning in patients with large stones to define anatomy and decide which approach would be ideal especially when the question is whether the patient needs pcnl. The doctor uses an x ray or ultrasound to find the stone or stones in your kidney. Small stones and those close to the corticomedullary junction can be difficult to reliably identify.
Ultrasound compared to ct kub reference showed a sensitivity of only 24 in identifying calculi.
Draining fluid from a kidney abscess or cyst. Most scientist agree on the fact that ultrasound simply is not sufficient enough to detect very small kidney stones. Calculus on ultrasound is defined as a hyperechoic focus with posterior shadowing or twinkle artifact. However ultrasound scan remains a very useful first diagnostic step in emergency rooms.