Polycystic kidney disease MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: M. Khurram Afzal, MD [2] Aarti Narayan, M.B.B.S [3]

Overview

Magnetic resonance imaging can be used to identify cysts smaller than 1 cm and to differentiate complex from simple cysts without contrast or radiation exposure. Renal MRI may be helpful in the diagnosis of polycystic kidney disease. Findings on MRI diagnostic of polycystic kidney disease include, T2 weighted images show enlarged kidneys with multiple cysts, normal parenchyma is absent, presence of fluid/fluid interface, wall thickening, hypointense signals in T2-weighted and DWI images, and hyperintense signals in T1-weighted images.

MRI

Renal MRI may be helpful in the diagnosis of polycystic kidney disease. Findings on MRI diagnostic of polycystic kidney disease include:[1]

  • T2 weighted images show enlarged kidneys with multiple cysts
  • Normal parenchyma is absent
  • Presence of fluid/fluid interface
  • Wall thickening
  • Hypointense signals in T2-weighted and DWI images
  • Hyperintense signals in T1-weighted images

Note:

References

  1. Gradzik M, Niemczyk M, Gołębiowski M, Pączek L (2016). "Diagnostic Imaging of Autosomal Dominant Polycystic Kidney Disease". Pol J Radiol. 81: 441–453. doi:10.12659/PJR.894482. PMC 5031169. PMID 27733888.
  2. Nascimento AB, Mitchell DG, Zhang XM, Kamishima T, Parker L, Holland GA (2001). "Rapid MR imaging detection of renal cysts: age-based standards". Radiology. 221 (3): 628–32. doi:10.1148/radiol.2213010178. PMID 11719656.
  3. Chapman AB, Wei W (2011). "Imaging approaches to patients with polycystic kidney disease". Semin Nephrol. 31 (3): 237–44. doi:10.1016/j.semnephrol.2011.05.003. PMC 3143364. PMID 21784272.

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