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Comparative evaluation of filter back projection and iterative image reconstruction algorithms and its impact on radiation dose and image quality in computed tomography of malignant pancreatic lesions

Comparative evaluation of filter back projection and iterative image reconstruction algorithms and its impact on radiation dose and image quality in computed tomography of malignant pancreatic lesions

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20190930044930N1
Enrollment
55
Registered
2019-10-07
Start date
2019-10-23
Completion date
Unknown
Last updated
2019-11-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Image reconstruction algorithms in CT scan.

Interventions

Intervention 1: Intervention group: Scan in parenchymal phase with new technique " Iterative image reconstruction". Intervention 2: Control group: Scan in parenchymal phase with the routine technique

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to No maximum

Inclusion criteria

Inclusion criteria: Pancreatic cancer Complete informed consent form of the radiation protocol Age over 40 years

Exclusion criteria

Exclusion criteria: Patients who are pregnant Patients who are contraindicated with contrast agents according to the instructions.

Design outcomes

Primary

MeasureTime frame
Radiation dose. Timepoint: Before and after intervention. Method of measurement: Reading from the CT scan monitor.;Qualitative image quality. Timepoint: After performing a CT scan. Method of measurement: Radiologist qualitative evaluation based on specific criteria.;Quantitative image quality. Timepoint: After performing a CT scan. Method of measurement: Quantitative evaluation based on criteria specified by the physicist.—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli Chaparian

Esfahan University of Medical Sciences

chaparian@med.mui.ac.ir+98 31 3792 8089

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026