Managing the CT data explosion: initial experiences of archiving volumetric datasets in a mini-PACS

Kyoung Ho Lee; Helen Hong D.D.S.; Hak Jong Lee; Jae Hyoung Kim; Heung Sik Kang; Sang Tae Kim; Ho Jun Chin; Kyoo S. Ha

doi:10.1117/12.593549

15 April 2005 Managing the CT data explosion: initial experiences of archiving volumetric datasets in a mini-PACS

Kyoung Ho Lee, Helen Hong D.D.S., Hak Jong Lee, Jae Hyoung Kim, Heung Sik Kang, Sang Tae Kim, Ho Jun Chin, Kyoo S. Ha

Proceedings Volume 5748, Medical Imaging 2005: PACS and Imaging Informatics; (2005) https://doi.org/10.1117/12.593549
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

Two image datasets (one thick section dataset and another volumetric dataset) were typically reconstructed from each single CT projection data. The volumetric dataset was stored in a mini-PACS with 271-gigabyte online and 680-gigabyte nearline storage and routed to radiologists' workstations, while the thick section dataset was stored in the main PACS. Over a five-month sample period, 278-gigabytes of CT data (8,976 examinations) were stored in the main PACS, and 738-gigabytes of volumetric datasets (6,193 examinations) were stored in the mini-PACS. The volumetric datasets formed 32.8% of total data for all modalities (2.20 terabytes) in the main PACS and mini-PACS combined. At the end of this period, the volumetric datasets of 1,892 and 5,162 examinations were kept online and nearline, respectively. Mini-PACS offers an effective method of archiving every volumetric dataset and delivering it to radiologists.

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Kyoung Ho Lee, Helen Hong D.D.S., Hak Jong Lee, Jae Hyoung Kim, Heung Sik Kang, Sang Tae Kim, Ho Jun Chin, and Kyoo S. Ha "Managing the CT data explosion: initial experiences of archiving volumetric datasets in a mini-PACS", Proc. SPIE 5748, Medical Imaging 2005: PACS and Imaging Informatics, (15 April 2005); https://doi.org/10.1117/12.593549

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KEYWORDS

Picture Archiving and Communication System

Computed tomography

3D image reconstruction

Data storage

3D image processing

Data archive systems

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