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Delayed Portal Venous Phase

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Laatst bijgewerkt: 2022-02-05 06:17:58

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Toegevoegd door: Evan Enbom

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Portal venous phase | Radiology Reference Article ...

17-11-2021 · The portal venous phase, also known as the late portal phase or hepatic phase, is a contrast-enhanced CT or MRI series that has the following characteristics: liver parenchyma is at its peak enhancement with a density 110 HU (an increase of at least 50 HU from the unenhanced baseline) 1,2. portal vein and hepatic veins are completely enhanced.
Url: https://radiopaedia.org/articles/portal-venous-phase
Portal venous phase | Radiology Reference Article ...

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CT Contrast Timing - Radiology Protocols

Portal Venous Phase: 35 seconds after HU trigger Final Phase: 120 seconds after HU trigger The arterial phase on these examples will be a little bit more delayed than the arterial phase on a true arterial based examination such as an aorta study where the scanner is trigger immediately upon reaching the target HU (i.e. no 18 second delay)
Url: https://radiologyprotocols.wordpress.com/generalinformation/ct-scanning-modes/
CT Contrast Timing - Radiology Protocols

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Toegevoegd door: Hayley Phillips

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The Radiology Assistant : CT contrast injection and protocols

01-06-2014 · For Late portal venous phase imaging it is different. Here you don't want to be too early, because you want to load the liver with contrast and it takes time for contrast to get from the portal vein into the liver parenchyma. Besides you have more time, because the delayed or equilibrium phase starts at about 3-4 minutes.
Url: https://radiologyassistant.nl/more/ct-protocols/ct-contrast-injection-and-protocols
The Radiology Assistant : CT contrast injection and protocols

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Toegevoegd door: Trevor Vanstone

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The Radiology Assistant : Characterisation of liver masses

15-07-2006 · Portal venous phase imaging works on the opposite idea. We image the liver when it is loaded with contrast through the portal vein to detect hypovascular tumors (figure). The best moment to start scanning is at about 75 seconds, so this is a late portal venous phase, because enhancement of the portal vein already starts at 35 sec in the late ...
Url: https://radiologyassistant.nl/abdomen/liver/characterisation-of-liver-masses
The Radiology Assistant : Characterisation of liver masses

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Toegevoegd door: David Kudrev

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Late-arterial and portal-venous phase imaging of the liver ...

The value of automatic bolus tracking in late-arterial and portal-venous phase imaging of the liver with a multislice CT scanner as compared with fixed time-delay examination in patients without circulatory disturbances is evaluated. For the evaluation of known or …
Url: https://pubmed.ncbi.nlm.nih.gov/15067427/
Late-arterial and portal-venous phase imaging of the liver ...

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Toegevoegd door: Joe Lopresti

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Patient-Tailored Scan Delay for Multiphase Liver CT ...

Patient-tailored scan delay reflected a wide range of times to peak aortic enhancement (mean, 24 seconds; range, 18–32 seconds) and yielded a greater proportion of optimal scans compared with fixed scan delay for both late arterial phase (92% versus 74%, p 0.01) and portal venous phase (86% versus 70%, p 0.05) scans.
Url: https://www.ajronline.org/doi/full/10.2214/AJR.12.9676
Patient-Tailored Scan Delay for Multiphase Liver CT ...

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CT Scan of the Liver and Enhancing Phases - RadTechOnDuty

27-03-2017 · The equilibrium phase, sometimes called the late or delayed phase, occurs several minutes after injection. For routine abdominal CT or as part of a chest, abdominal and Pelvic CT study, the liver is most often scanned just one, during the portal venous phase.
Url: http://www.radtechonduty.com/2017/03/ct-scan-of-liver-and-enhancing-phases.html
CT Scan of the Liver and Enhancing Phases - RadTechOnDuty

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Toegevoegd door: Fox Thomas Pty Ltd

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Delayed Imaging in Routine CT Examinations of the Abdomen ...

Overall, in our retrospective series, delayed phase imaging rarely added benefit to routine CT examinations of the abdomen and pelvis. In most of the cases, there were either no indeterminate findings in the portal venous phase or the delayed phase images did not help resolve any uncertainty about the findings in the portal venous phase.
Url: https://www.ajronline.org/doi/full/10.2214/AJR.12.10468
Delayed Imaging in Routine CT Examinations of the Abdomen ...

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Toegevoegd door: Krzysztof Mitka

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Delayed imaging in routine CT examinations of the abdomen ...

The mass was seen only on the delayed phase images but was difficult to appreciate in the portal venous phase. In the other 958 patients (95.8%), delayed imaging was of no benefit. In addition, use of the delayed phase resulted in a mean 59.5% increase in effective radiation dose.
Url: https://pubmed.ncbi.nlm.nih.gov/24450673/
Delayed imaging in routine CT examinations of the abdomen ...

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Toegevoegd door: RAD Khammany

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CT Contrast Rates Part. 1 | Portal Venous Phase

CT Contrast Rates Part. 1 | Portal Venous Phase

Toegevoegd door: Lecturio Medical

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Multiphase Abdominal CT – Radiology | Lecturio

Multiphase Abdominal CT – Radiology | Lecturio

Toegevoegd door: CT Scan & MRI

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what is arterial phase ?

what is arterial phase ?

Toegevoegd door: Radiologist Headquarters

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Introduction to Multiphase CT & MRI of the Liver

Introduction to Multiphase CT & MRI of the Liver

Toegevoegd door: Radiology Education by Joseph W. Owen, MD

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GI Imaging - Cirrhosis

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Toegevoegd door: Radiology Video - radiology made esay

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CEUS of Focal Liver Lesions

CEUS of Focal Liver Lesions

Toegevoegd door: Edusurg Clinics

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Liver CT - Protocol and Cases

Liver CT - Protocol and Cases

Toegevoegd door: DAMS | eMedicoz - Medical Education Redefined

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#HCC #TriplePhase #MDCT #DAMS #Medicine #Unplugged

#HCC #TriplePhase #MDCT #DAMS #Medicine #Unplugged

Toegevoegd door: Radiology Buzz

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Triple Phase CT Scan (Multiphase Abdominal CT) || Radiology Buzz

Triple Phase CT Scan (Multiphase Abdominal CT) || Radiology Buzz

Toegevoegd door: Shukun Technology

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ISMRM 2022｜Deep Learning Algorithm for Automated Segmentation the Liver Using Portal Venous Phase

ISMRM 2022｜Deep Learning Algorithm for Automated Segmentation the Liver Using Portal Venous Phase
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