DICOM stands for Digital Imaging and Communications in medicine. It is a file format for images in medical field like that of CT scans, MRIs, ultrasound. It is a standard format for exchanging medical imaging data. A DICOM image contains header with patient name, image dimensions, type of scan information. It also contains the the actual image of the scan in JPEG format.
If you have any DICOM medical images to open and view, then grab free personal DICOM viewer for Windows. It has simple interface, browse/select folder with DICOM image in the top left window. Chose among provided options of lung, bone, soft tissue etc. You can also set zoom level to view selected file in finer detail. Download DICOM viewer for easy opening and viewing of DICOM medical images.