combined dicom and hl7 viewer in support of a bridge from content-based image retrieval to...
TRANSCRIPT
Combined DICOM and HL7 viewer in support of a bridge from content-based image
retrieval to computer-aided diagnosis
Welter PWelter P11, Topal F, Topal F11, Jansen S, Jansen S11, Deserno TM, Deserno TM11, , Riesmeier JRiesmeier J22, Grouls C, Grouls C33, Günther RW, Günther RW33
11Dept. of Medical Informatics, RWTH Aachen UniversityDept. of Medical Informatics, RWTH Aachen University 22ICSMED AGICSMED AG,, OldenburgOldenburg
33Dept. of Diagnostic Radiology, RWTH Aachen UniversityDept. of Diagnostic Radiology, RWTH Aachen University
- ITiB - - ITiB - June 7, 2010June 7, 2010
Content-Based Image Retrieval (CBIR)Content-Based Image Retrieval (CBIR)
Search in large image repositoriesSearch in large image repositoriesusing features describing the image contentusing features describing the image content
extraction of featuresextraction of features
texturetextureshapeshape
gray valuegray value……
DBDBcomparison of featurescomparison of features
CBIR systemCBIR system
query by query by exampleexample
result imagesresult images
CBIR for Computer-Aided DiagnosisCBIR for Computer-Aided Diagnosis
fat embolismfat embolism
silicosissilicosis
Goodpasture’ssyndrome
Goodpasture’ssyndrome
22ndnd opinion opinion
IRMAIRMA
IRMA:IRMA: I Image mage RRetrieval in etrieval in MMedical edical AApplicationspplications
Challenge: Handling of CBIR ResultsChallenge: Handling of CBIR Results
Aim Aim use of open standards integration with a hospital-wide
communication structure
DICOM Structured ReportDICOM Structured Report
CBIR-CBIR-SystemSystem
Hospital Information System (HIS)Hospital Information System (HIS)Picture archiving and communication system (PACS)Picture archiving and communication system (PACS)Radiology Information System (RIS)Radiology Information System (RIS)
Welter P, Deserno TM, Gülpers R et al. (2010) Exemplary Design of a DICOM Structured Report Template for CBIR Integration into Radiological Routine. Procs SPIE Medical Imaging 7628.
Challenge: Handling of CBIR ResultsChallenge: Handling of CBIR Results
Aim Aim use of open standards integration with a hospital-wide
communication structure
DICOM Structured ReportDICOM Structured Report comprehensive and complete comprehensive and complete
representationrepresentation
QueryQueryexaminationexamination
imageimage
IdentifiedIdentifiedsimilar examinationsimilar examination
imagesimagesPatientPatient
informationinformation
DiagnosticDiagnosticfindingsfindings
State of the Art RepresentationState of the Art Representation
OFFIS, DICOMscope DICOM viewer, http://dicom.offis.de
DICOMscope (2)DICOMscope (2)
PACS
DB
CBIR system
CBIR based CADx schemeCBIR based CADx scheme
HIS
DB
Transfer of Transfer of patient contextpatient context
Central storage of Central storage of CBIR resultsCBIR results
Retrieval of Retrieval of CBIR resultsCBIR results
Retrieval of Retrieval of diagnostic diagnostic
findingsfindings
Retrieval of Retrieval of similar similar
examinationsexaminations
diagnostic workstation
Flow of data from source to destination
PACS
DB
System designSystem design
HIS
DB
diagnostic workstation
IRMACONViewer
SR
Findings
HL7DICOM PHP/HTML
PACS
DB
ImplementationImplementation
HIS
DB
diagnostic workstation
IRMACONViewer
C-MOVEC-MOVE
QRY^R02QRY^R02
ORF^R04ORF^R04
HAPI, http://hl7api.sourceforge.net/DCMTK, http://dicom.offis.de/dcmtk.php.de
XMLXMLPNGPNGPHP, Smarty TemplatesPHP, Smarty TemplatesMapping Mapping
DICOM - HL7DICOM - HL7
Mapping DICOM - HL7 Mapping DICOM - HL7
…Patienten-ID (0010,0020)Accession-Number (0008,0050)…
…QRD|201004180943|R|I|Q4412|||10^RD|0123456-1|RES|9312345…
QRD-10Order-No
QRD-8Patienten-ID
QRD-9 Query for
resultsCBIR SR-Document
HL7 QRY^R02
Exemplary HL7 messagesExemplary HL7 messagesQuery for results of observation QRY^R02MSH|^~\&|IRMACON||EKG||||QRY^R02|CDB22222|P|2.5QRD|201004180943|R|I|Q4412|||10^RD|0123456-1|RES|9312345QRF|EKG||200801010000
Response ORF^R04MSH|^~\&|EKG||IRMACON||||ORF^R04|X981672|P…OBX|1|ST|93000.1^VENTRICULAR RATE(EKG)||91|/MIN|60-100…OBX|10|FT|93000&ADT^EKG COMMENT||\.br\ 1. Ein Vergleich
mit einem EKG vom 31.10.2001 zeigt, dass die ventrikuläre Frequenz um 30 bpm gestiegen ist.\.br\2. Die Kriterien für einen Seitenwandinfarkt sind nicht länger gegeben.
IRMACON ViewerIRMACON Viewer
IRMACON Viewer (Detail)IRMACON Viewer (Detail)
IRMACON Viewer (Findings)IRMACON Viewer (Findings)
SummarySummary
Aim: Integration of CBIR results into radiological Aim: Integration of CBIR results into radiological clinical routine for CADxclinical routine for CADx
Solution: Novel IRMACON viewerSolution: Novel IRMACON viewer CBIR results (DICOM SR documents)CBIR results (DICOM SR documents) diagnostic findings (HL7 results of observation)diagnostic findings (HL7 results of observation)
AchievementAchievement standardized and comprehensive representation standardized and comprehensive representation evidences sourced from CBIR, PACS and HIS convenient integration into clinical environmentsconvenient integration into clinical environments improvement of radiologist’s workflow and medical improvement of radiologist’s workflow and medical
diagnosisdiagnosis
OutlookOutlook
Extension of test settings: HIS Processing region of interest: restricting CBIR to a
certain phenomenon
AcknowledgmentsAcknowledgments
FundFund German Research German Research FoundationFoundation ((DFGDFG))
grants Le 1108/9grants Le 1108/9
http://irma-project.orghttp://irma-project.org
Possible Format SolutionsPossible Format Solutions
Standard file formats (e.g., PDF)Standard file formats (e.g., PDF) include layout directivesinclude layout directives no automatic processing no automatic processing
HL7 Clinical Document Architecture (CDA)HL7 Clinical Document Architecture (CDA) XML format supports automatic processing XML format supports automatic processing no layout directivesno layout directives
DICOM Structured Reporting (DICOM-SR)DICOM Structured Reporting (DICOM-SR) supports automatic processing supports automatic processing no layout directivesno layout directives DICOM is standard for communication in PACSDICOM is standard for communication in PACS used in integration profiles of the Integrating the Healthcare used in integration profiles of the Integrating the Healthcare
Enterprise (IHE)Enterprise (IHE)
Welter P, Deserno TM, Gülpers R et al. (2010) Exemplary Design of a DICOM Structured Report Template for CBIR Integration into Radiological Routine. Procs SPIE Medical Imaging 7628.