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A Simple Method for Extracting DICOM Images from a Magnetooptic Disk

Chun-Shan Yam1, Arkadiusz Sitek, Vassilios Raptopoulos and Michael Larson

1 All authors: Department of Radiology, Beth Israel Deaconess Medical Center, 1 Deaconess Rd., WCC, Rm. 306, Boston, MA 02215.



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  		Fig. 1A. —System schematic and setup. Diagram of overall system for reading magnetooptic (MO) media to shared files. Drive used is 5.2 GB rewritable drive (RMO-S551/SD, Sony Electronics) with built-in firmware for displaying MS DOS-based (Microsoft) file system that is currently being used in most MO media. SCSI = small computer system interface.

 


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  		Fig. 1B. —System schematic and setup. Photograph of completed system setup shows MO drive connected to host PC with external SCSI cable. System installation is plug-and-play.

 


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  		Fig. 2A. —Screen-capture images of system directories of magnetooptic (MO) disk from GE Healthcare. Screen-capture image shows DICOMDIR index file in root directory.

 


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  		Fig. 2B. —Screen-capture images of system directories of magnetooptic (MO) disk from GE Healthcare. Screen-capture image of subdirectory of MO disk shows DICOM files named in alphanumeric index. Note that files are compressed in this particular case.

 


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  		Fig. 3A. —Screen-capture images of system directories of magnetooptic (MO) disk from Siemens. Screen-capture image shows DICOMDIR index file in root directory.

 


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  		Fig. 3B. —Screen-capture images of system directories of magnetooptic (MO) disk from Siemens. Screen-capture image of subdirectory of MO disk shows DICOM files named in numeric index. Note that files are uncompressed in this particular case.

 


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  		Fig. 4A. —Screen-capture CT loaded in ezDICOM software. CT displayed in abdomen window shows content of subcutaneous and intraabdominal fat for this subject.

 


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  		Fig. 4B. —Screen-capture CT loaded in ezDICOM software. Screen-capture image of detailed DICOM information extracted using ezDICOM software shows detailed DICOM header information for CT image (A) that lists in ezDICOM software when F3 key is pressed. List contains all header information for that image and includes patient name or identification number; study date, protocol, and time; series description; image position; kVp and mA; slice thickness; and more.

 

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