Table 2 - uploaded by Yue Liu
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Advances in biology, computer technology and imaging technology have given rise to a scientific specialty referred to as molecular imaging, which is the in vivo imaging of cellular and molecular pathways using contrast-enhancing targeting agents. Increasing amounts of molecular imaging research are being performed at pre-clinical stages, generating...
Contexts in source publication
Context 1
... certain pre-defined DICOM unique identifiers (UID) such as Service-Object Pair (SOP) Class UID and Transfer Syntax UID were kept in conformance to the DICOM standard. Table 2 lists and describes the DICOM tags that are modified by the DICOM conversion gateway. Although not all 38 fields are required for successful storage within PACS, certain metadata are inserted for the benefit of investigators who will download and import these DICOM files on their own computers. ...
Context 2
... not all 38 fields are required for successful storage within PACS, certain metadata are inserted for the benefit of investigators who will download and import these DICOM files on their own computers. Because the preclinical molecular imaging workflow does not require the assignment of patient, study, series, and file instance identifiers, these DICOM tag values were generated by the DICOM conversion gateway and are highlighted in orange text in Table 2. Deviating from the clinical DICOM data model, the 'Referring Physician' tag (0008,0090) has been allocated for the preclinical investigator's full name, and the investigator's ID to the 'Patient ID' tag (0010,0020). ...
Context 3
... the theoretical patient subjects in these preclinical scans are the animal-models being experimented on, leaving no sensible DICOM tag for animal-related metadata such as animal weight, age and ID, which is critical in longitudinal animal studies. Thus, an alternative solution would be to map animal-related metadata fully to the DICOM patient object and to defer investigator identifies to the referring physician tag, as seen in Table 2. The necessary compromise would be to modify PACS workstations so that studies can be hierarchically categorized by referring physician identifiers, instead of the typical patient tag identifiers. ...
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Citations
... It is also possible the image retrieval based on radiology reports [21] as well as store and retrieve preclinical molecular imaging data stored in PACS [22]. ...
To optimize the usage of the enormous amount of data that results from medical imaging studies (e.g. Digital Imaging and Communication in Medicine – DICOM – metadata), which is relevant to characterize healthcare provision, it is pertinent to identify the main advantages and challenges related to the indexing of DICOM metadata for secondary analyses. In the study reported in the present paper, the authors performed a secondary analysis on the results of research studies supported on the indexing of DICOM metadata from Picture Archiving and Communication Systems (PACS) of different healthcare facilities. The analysis was made according to two perspectives: i) advantages of indexing and analyzing DICOM metadata from the PACS of different healthcare facilities; and ii) challenges associated to the indexing and managing of large volumes of DICOM metadata. The research studies being analyzed revealed the potential for the use of DICOM metadata by aggregating and consolidating huge amounts of DICOM metadata to characterize healthcare provision.
