digital imaging and communications in medicine dicom
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Digital Imaging and Communications in Medicine
DICOM
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History
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The DICOM Standard
1. networked environment.
2. off-line media environment
3. It specifies how devices claiming conformance to the Standard react to commands and data being exchanged
4. . not only for images and graphics but also
5. . for waveforms, reports, printing, etc
6. It is a technique for uniquely identifying any Information Object
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Who needs DICOM ?
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DICOM can be in :
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Field Of Application
The DICOM Standard facilitates interoperability of medical imaging equipment by specifying:
- For network communications - The syntax and semantics - For media communication
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How does DICOM work?
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DICOM – Patient Identification Attributes
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Attribute Structure
128 bytes
4 bytes (four characters: ”DICM”)
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DICOM VIEWER
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Dicom FILE
Alias Name: AMNESIX Modality: CT 16/64
File Size: 157 MBDescription: CTA abdomen and lower
extremities runoff of a patient with an illiac an eurysme pre and post stent
placement recorded on a 16 detector CT (pre) and a 64 detector CT (post)
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Future Of Dicom
The DICOM standard is never more than 2 months old
new CT objects and also 3-D objects In general, acquisition is moving to
multi-dimensional, 3-D or more, and DICOM is following that trend
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Benefit: Once the studies are sent to PACS, physicians are able to digitally view the studies anywhere on the hospital network. This increases efficiency and eliminates the use of film and videotape.
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Conclusion DICOM is not only an image file format. Its is
primarily a networking protocol. It’s the “boss” of the digital medical applications for
data and images in medical activities. DICOM has several parts which describes the
procedures of the digital object to analyze. DICOM uses several types of formats of
compression for both images and text. PACS (hardware and software) and DICOM are
closed related.
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Thanks