Imagens Médicas e o Padrão DICOM 3 - IMPA
Imagens Médicas e o Padrão DICOM 3 - IMPA
Imagens Médicas e o Padrão DICOM 3 - IMPA
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<strong>DICOM</strong> 3<br />
Roberto de Beauclair Seixas<br />
tron@lncc.br
<strong>Imagens</strong> <strong>Médicas</strong> - Raios X
<strong>Imagens</strong> <strong>Médicas</strong> - CT<br />
Tomoscan AV da Philips
<strong>Imagens</strong> <strong>Médicas</strong> - CT<br />
Banco de detetores<br />
Tubo de Raio X<br />
120 a 150 K Volts<br />
50 a 100 detetores<br />
Tubo de<br />
raios-X
<strong>Imagens</strong> <strong>Médicas</strong> - CT<br />
Hounsfield Units (HU)<br />
ar -1000<br />
gordura -110 ± 15<br />
água 0<br />
rim 35 ± 10<br />
músculo 40 ± 10<br />
fígado 55 ± 10<br />
osso poroso 200-400<br />
osso compacto >1000
<strong>Imagens</strong> <strong>Médicas</strong> - CT
<strong>Imagens</strong> <strong>Médicas</strong> - MRI<br />
grande campo<br />
magnético na caixa<br />
mesa com trilhos
<strong>Imagens</strong> <strong>Médicas</strong> - MRI
<strong>Imagens</strong> <strong>Médicas</strong> - MRI
<strong>Imagens</strong> <strong>Médicas</strong> - MRIf
<strong>Imagens</strong> <strong>Médicas</strong> - Ultra Som
<strong>Imagens</strong> <strong>Médicas</strong> - Ultra Som<br />
<strong>Imagens</strong> de ultra-som do rim e dopler do abdomen.
<strong>Imagens</strong> <strong>Médicas</strong> - SPECT / PET<br />
Single Photon Emission Computed<br />
Tomography: utiliza rastreadores<br />
radioativos que emitem fótons<br />
enquanto decaem.<br />
Positron Emission Tomography:<br />
utilizam rastreadores radioativos que<br />
produzem pares pósitron-elétrons.
<strong>Imagens</strong> <strong>Médicas</strong> - SPECT / PET
<strong>Imagens</strong> <strong>Médicas</strong><br />
Tipo de Exame Largura Bpp Mb #img Total<br />
Raio-X Digital 2048 2 8 5 40<br />
Angiografia Digital 2048 2 0.8 40 32<br />
Tomografia Comput. 512 2 0.524 25 13<br />
Ultra-som 512 1 0.262 40 10<br />
Medicina Nuclear 256 2 0.131 6 0.8<br />
Ressonância Magnética 512 2 0.524 30 16
ACR/NEMA 2.0<br />
• ACR/NEMA<br />
– American College of Radiology<br />
– National Electrical Manufactures Association<br />
Desenvolvimento de um padrão para <strong>Imagens</strong><br />
Digitais e Comunicações em Medicina.
<strong>DICOM</strong>
<strong>DICOM</strong><br />
CONSTRUCTION PROCESS FOR<br />
A CONFORMANCE STATEMENT
<strong>DICOM</strong><br />
Protocol<br />
Architecture
<strong>DICOM</strong><br />
USING POINT-TO-POINT IN A<br />
NETWORK ENVIRONMENT
<strong>DICOM</strong><br />
RELATIONSHIPS OF PARTS 1-9<br />
OF THE <strong>DICOM</strong> STANDARD
<strong>DICOM</strong><br />
General <strong>DICOM</strong><br />
Communication Model
<strong>DICOM</strong><br />
<strong>DICOM</strong> Media<br />
Storage Model
<strong>DICOM</strong> Directory
<strong>DICOM</strong> Directory
<strong>DICOM</strong> File<br />
SE MS SAG<br />
16/11/1960 - M<br />
70 Kg<br />
slice: 5 mm<br />
T1-FFE<br />
15/08/1959 - M<br />
120 Kg<br />
slice: 3 mm<br />
SRVY SE SAG<br />
15/08/1959 - M<br />
120 Kg<br />
slice: 3 mm
<strong>DICOM</strong>
<strong>DICOM</strong>
<strong>DICOM</strong><br />
(0008,0000) Group Length<br />
(0008,0001) Length to End<br />
(0008,0005) Specific Character Set<br />
(0008,0008) Image Type<br />
(0008,0010) Recognition Code<br />
(0008,0012) Instance Creation Date<br />
(0008,0013) Instance Creation<br />
(0008,0014) Instance Creator<br />
(0008,0016) SOP Class<br />
(0008,0018) SOP Instance<br />
(0008,0020) Study Date<br />
(0008,0021) Series Date<br />
(0008,0022) Acquisition Date<br />
(0008,0023) Image Date<br />
(0008,0024) Overlay Date<br />
(0008,0025) Curve Date<br />
(0008,0030) Study Time<br />
(0008,0031) Series Time<br />
(0008,0032) Acquisition Time<br />
(0008,0033) Image Time<br />
(0008,0034) Overlay Time<br />
(0008,0035) Curve Time<br />
(0008,0040) Data Set Type<br />
(0008,0041) Data Set Subtype<br />
(0008,0042) Nuclear Medicine Series<br />
(0008,0050) Accession Number
<strong>DICOM</strong><br />
(0008,0052) Query/Retrieve Level<br />
(0008,0054) Retrieve AE Title<br />
(0008,0058) Failed SOP Instance<br />
(0008,0060) Modality<br />
(0008,0061) Modalities in Study<br />
(0008,0064) Conversion Type<br />
(0008,0070) Manufacturer<br />
(0008,0080) Institution Name<br />
(0008,0081) Institution Address<br />
(0008,0082) Institution Code Sequence<br />
(0008,0090) Referring Physician’s N.<br />
(0008,0092) Referring Physician's A.<br />
(0008,0094) Referring Physician’s T.<br />
(0008,0100) Code Value<br />
(0008,0102) Coding Scheme Design.<br />
(0008,0104) Code Meaning<br />
(0008,1000) Network ID<br />
(0008,1010) Station Name<br />
(0008,1030) Study Description<br />
(0008,1032) Procedure Code Sequence<br />
(0008,103E) Series Description<br />
(0008,1040) Institutional Department<br />
(0008,1048) Physician(s) of Record<br />
(0008,1050) Performing Physician’s N.<br />
(0008,1060) Reading Study<br />
(0008,1070) Operators’ Name
<strong>DICOM</strong><br />
(0008,1080) Admitting Diag. Desc.<br />
(0008,1084) Admitting Diag. Code<br />
(0008,1090) Manufacturer’s Model<br />
(0008,1100) Referenced Results Seq.<br />
(0008,1110) Referenced Study Seq.<br />
52 páginas de<br />
dicionário de dados<br />
~ 1000 tags<br />
...
<strong>DICOM</strong><br />
Digital Imaging and COmmunications in Medicine<br />
– PS 3.1: Introduction and Overview<br />
– PS 3.2: Conformance<br />
– PS 3.3: Information Object Definitions<br />
– PS 3.4: Service Class Specifications<br />
– PS 3.5: Data Structures and Encoding<br />
– PS 3.6: Data Dictionary<br />
– PS 3.7: Message Exchange<br />
– PS 3.8: Network Communication Support for Message Exchange<br />
– PS 3.9: Point-to-Point Communication Support for Message Exchange<br />
– PS 3.10: Media Storage and File Formats for Media Interchange<br />
– PS 3.11: Media Storage Application Profiles<br />
– PS 3.12: Media Formats and Physical Media for Media Interchange<br />
– PS 3.13: Print Management Point-to-Point Communication Support<br />
– PS 3.14: Grayscale Display Function Standard
<strong>DICOM</strong>
<strong>DICOM</strong>
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: F
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: F
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: F
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: M
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: F
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: M
<strong>DICOM</strong> - Digidelca<br />
Modality: CR Laterality: PA/LL Sex: M
<strong>DICOM</strong> - Digidelca<br />
Modality: CR<br />
Laterality: PA<br />
Sex: M
Mais Informações<br />
• NEMA<br />
– http://www.nema.org<br />
• Global Engineering Documents<br />
– http://global.ihs.com<br />
• Fabricantes<br />
– http://www.philips.com<br />
– http://www.ge.com<br />
– http://www.oldelft.com
VISGRAF/<strong>IMPA</strong><br />
• Arquivos <strong>DICOM</strong><br />
/visgraf/images/<strong>DICOM</strong>/digidelca<br />
• <strong>Imagens</strong> (TIFF/GIF*)<br />
/visgraf/images/<strong>DICOM</strong>/tif<br />
• Documentação <strong>DICOM</strong><br />
~tron/docs<br />
• Conversor <strong>DICOM</strong>→TIFF<br />
~tron/src/dicom
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