Polycystic kidney disease echocardiography or ultrasound

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Cafer Zorkun, M.D., Ph.D. [2]

Overview

Advantages of ultrasonography:
- Highly sensitive ^[1] ^[2]
- Can also detect presence of cysts in liver and pancreas
- Least expensive
- No radiation or contrast exposure
- Widely available
Disadvantage:
- Cannot detect cysts less than 1 cm in diameter
On a USG, the kidneys are massively enlarged and diffusely echogenic bilaterally.
Corticomedullary differentiation is absent.
High-resolution USG (linear-array transducer, 7.5 mHz or greater) allows visualization of numerous cylindrical cysts in the medulla and cortex, which represent ectatic collecting ducts.

↑ Bonazzi M, Volta A, Gnudi G; et al. (2009). "Comparison between ultrasound and genetic testing for the early diagnosis of polycystic kidney disease in Persian and Exotic Shorthair cats". Journal of Feline Medicine and Surgery. 11 (6): 430–4. doi:10.1016/j.jfms.2008.10.003. PMID 19046910. Unknown parameter |month= ignored (help)
↑ Pei Y (2006). "Diagnostic approach in autosomal dominant polycystic kidney disease". Clinical Journal of the American Society of Nephrology : CJASN. 1 (5): 1108–14. doi:10.2215/CJN.02190606. PMID 17699332. Unknown parameter |month= ignored (help)