Update on MR urography (MRU): technique and clinical applications
Magnetic resonance imaging of the upper tract (pyelocalyces and ureters) or MR Urography (MRU) is technically possible and when performed correctly offers similar visualization of the upper tracts and for detection of non-calculous diseases of the collecting system similar specificity but with lower...
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| Veröffentlicht in: | Abdominal imaging 2019-12, Vol.44 (12), p.3800-3810 |
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| creator | Abreu-Gomez, Jorge Udare, Amar Shanbhogue, Krishna P. Schieda, Nicola |
| description | Magnetic resonance imaging of the upper tract (pyelocalyces and ureters) or MR Urography (MRU) is technically possible and when performed correctly offers similar visualization of the upper tracts and for detection of non-calculous diseases of the collecting system similar specificity but with lower sensitivity compared to CTU. MRU provides the ability to simultaneously image the kidneys and urinary bladder with improved soft tissue resolution, better tissue characterization and when combined with assessment of the upper tract, a comprehensive examination of the urinary system. MRU requires meticulous attention to technical details and is a longer more demanding examination compared to CTU. Advances in MR imaging techniques including: parallel imaging, free-breathing motion compensation techniques and compressed sensing can dramatically shorten examination times and improve image quality and patient tolerance for the exam. This review article discusses updates in the MRU technique, summarizes clinical indications and opportunities for MRU in clinical practice and reviews advantages and disadvantages of MRU compared to CTU. |
| doi_str_mv | 10.1007/s00261-019-02085-1 |
| format | Article |
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MRU provides the ability to simultaneously image the kidneys and urinary bladder with improved soft tissue resolution, better tissue characterization and when combined with assessment of the upper tract, a comprehensive examination of the urinary system. MRU requires meticulous attention to technical details and is a longer more demanding examination compared to CTU. Advances in MR imaging techniques including: parallel imaging, free-breathing motion compensation techniques and compressed sensing can dramatically shorten examination times and improve image quality and patient tolerance for the exam. 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| subjects | Bladder Gastroenterology Hepatology Image quality Imaging Imaging techniques Magnetic resonance imaging Medicine Medicine & Public Health Motion compensation Radiology Soft tissues Special Section : Urothelial Disease Therapeutic applications Urinary bladder Urography |
| title | Update on MR urography (MRU): technique and clinical applications |
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