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Quantitative Evaluation of PACS Query/Retrieve Capabilities.

Abderrazek Boufahja¹, Steven Nichols², Vincent Pangon³

¹GE Healthcare, Strasbourg, France. abderrazek.boufahja@ge.com.

Journal of Digital Imaging

|September 28, 2021

Summary

Integrating new DICOM® consumers with Picture Archiving and Communication Systems (PACS) is complex due to interface variations. This study introduces a method to evaluate PACS query/retrieve capabilities, aiding developers and healthcare facilities.

Keywords:

DICOM®PACS Quality Query Retrieve

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Area of Science:

Medical Imaging Informatics
Healthcare IT Interoperability

Background:

The Picture Archiving and Communication System (PACS) market is diverse, with numerous providers and variations in DICOM® query/retrieve interfaces.
These variations in Service Object Pair (SOP) Classes, transfer syntaxes, and matching attributes complicate the integration of new DICOM® consumers.
Currently, a collective analysis of PACS query/retrieve capabilities and a standardized evaluation method are lacking.

Purpose of the Study:

To develop and apply a systematic method for evaluating the query/retrieve functionalities of various PACS.
To provide DICOM® object consumers with a comprehensive understanding of PACS query/retrieve capabilities and their variations.
To offer PACS and Vendor Neutral Archive (VNA) developers a tool for self-evaluation and quality improvement.

Main Methods:

GE developed a novel method to assess PACS query/retrieve functionalities.
Multiple PACS were analyzed in both test and production environments using this evaluation method.
Data on DICOM® query/retrieve interface variations, including SOP Classes and matching attributes, were collected and analyzed.

Main Results:

The study provides a macroscopic overview of the diverse query/retrieve capabilities across different PACS.
Identified and documented variations in DICOM® interfaces, highlighting complexities for integration.
The evaluation method successfully classified PACS functionalities based on their query/retrieve performance.

Conclusions:

A standardized method for evaluating PACS query/retrieve capabilities is essential for improving interoperability.
Understanding PACS variations is crucial for healthcare facilities and application developers to ensure seamless integration.
This evaluation framework supports quality improvement for both PACS and VNA systems.