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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
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Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
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A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Data Reporting and Recording01:24

Data Reporting and Recording

Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...

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Assessing Imaging Metadata Quality in Radiology: Investigating Discrepancies Between PACS and RIS Data.

Alexa Iancu1,2, Fatemeh Rahimi3, Thomas Ganslandt2,3

  • 1Uniklinikum Erlangen, Medical Center for Information and Communication Technology, Erlangen, Germany.

Studies in Health Technology and Informatics
|May 23, 2026
PubMed
Summary

Radiology data in Radiology Information Systems (RIS) and Picture Archiving and Communications Systems (PACS) show moderate agreement, with significant discrepancies in anatomical region documentation. This highlights the need for improved data quality checks and standardized documentation across systems.

Keywords:
DICOMData QualityPicture Archiving and Communication SystemRadiology Imaging MetadataRadiology Information System

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Area of Science:

  • Medical Informatics
  • Radiology Data Management

Background:

  • Data reliability is crucial for clinical decisions and research.
  • Radiology Information Systems (RIS) and Picture Archiving and Communications Systems (PACS) often operate independently, leading to data inconsistencies.
  • Uncertainty in clinical practice can arise from discrepancies between RIS and PACS data.

Purpose of the Study:

  • To investigate the coherence and integrity of radiological data between RIS and PACS.
  • To identify discrepancies in contrast agent documentation and anatomical region information.
  • To assess the need for data quality improvements in radiological metadata.

Main Methods:

  • Extracted data on contrast agents and anatomical regions from RIS and PACS at a German University Hospital.
  • Linked and aggregated data at the study level for comparison.
  • Analyzed coherence and identified discrepancies between the two systems.

Main Results:

  • Moderate coherence for contrast agent documentation (61% identical records, 39% discrepancies).
  • Discrepancies in contrast agents were often due to missing PACS entries.
  • Variable agreement for anatomical regions: high for chest (81%), lower for abdomen (52%) and brain (51%).

Conclusions:

  • Significant data inconsistencies exist in radiological metadata between RIS and PACS.
  • Standardized documentation and cross-system data quality checks are essential.
  • Addressing these inconsistencies is vital for reliable clinical decision-making and research integrity.