Managing the CT Data Explosion: Initial Experiences of Archiving Volumetric Datasets in a Mini-PACS |
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| Authors: | Kyoung Ho Lee MD Hak Jong Lee MD Jae Hyoung Kim MD Heung Sik Kang MD Kyung Won Lee MD Helen Hong PhD Ho Jun Chin MD Kyoo Seob Ha MD |
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| Institution: | (1) Department of Radiology, National University Bundang Hospital, National University College of Medicine, Institute of Radiation Medicine, National University Medical Research Center, 300 Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Korea;(2) School of Electrical Engineering and Computer Science, BK21: Information Technology, Seoul National University, San 56-1 Shinlim-dong, Kwanak-gu, Seoul, 171-542, Korea;(3) Department of Medical Informatics, National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Korea;(4) Department of Radiology, National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 463-707, Korea |
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| 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-Gb online and 680-Gb nearline storage and routed to radiologists’ workstations, whereas the thick section dataset was stored in the main PACS. Over a 5-month sample period, 278 Gb of CT data (8976 examinations) was stored in the main PACS, and 738 Gb of volumetric datasets (6193 examinations) was stored in the mini-PACS. The volumetric datasets formed 32.8% of total data for all modalities (2.20 Tb) in the main PACS and mini-PACS combined. At the end of this period, the volumetric datasets of 1892 and 5162 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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| Keywords: | Multidetector row computed tomography volumetric dataset mini-PACS |
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