Ms. Jiaxin Huang Profile

Jiaxin Huang

at National Institutes of Health

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Proceedings Article | 29 March 2013 Paper

Integration of PACS and CAD systems using DICOMDIR and open-source tools

Jiaxin Huang, Alexander Ling, Ronald Summers, Jianhua Yao

Proceedings Volume 8674, 86740V (2013) https://doi.org/10.1117/12.2001560

KEYWORDS: Picture Archiving and Communication System, CAD systems, Computer aided diagnosis and therapy, Computer aided design, Chest, Abdomen, Radiology, System integration, Medical imaging, Image processing

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The advancements of the last 30 years have made picture archiving and communication system (PACS) an indispensable technology to improve the delivery and management of clinical imaging services. Similarly, the maturation of algorithms and computer aided detection (CAD) systems has enhanced the interpretation and diagnosis of radiographical images. However, the lack of integration between the two systems inhibits the rate of development and application of these recent innovations in reaching the clinical users of PACS. We aim to enhance the clinical efficiency of CAD systems by developing an accessible, fully automated, user-friendly, and integrated linkage of CAD and PACS systems. This is the first integration initiative to take advantage of DICOMDIR file and its ability to index DICOM files, allowing images outside of PACS to be viewed within PACS. In this demonstration, the CAD system evaluates CT chest exams to detect lesions in the ribs and produces whole rib map images, screenshots, and detection report. A script executes the rib CAD system and creates a DICOMDIR file using „DCMTK‟, an open-source DICOM toolkit. We evaluated our system on thirty 5mm slice thickness and thirty 2mm slice thickness image studies and demonstrated a time saving efficiency of 93s±14s and 221s±17s per exam, respectively, compared to the current non-integrated workflow of using CAD systems. The advantages of this system are that it is easy to implement, requires no additional workstation and training, and allows CAD results to be viewed in PACS without disrupting radiology workflow, while maintaining the independence of both technologies.

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