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Copy file name to clipboardExpand all lines: articles/healthcare-apis/dicom/overview.md
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---
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title: Overview of the DICOM service in Azure Health Data Services
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description: The DICOM service is a cloud-based solution for storing, managing, and exchanging medical imaging data securely and efficiently with any DICOMweb™-enabled systems or applications. Learn more about its benefits and use cases.
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author: mmitrik
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author: varunbms
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ms.service: azure-health-data-services
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ms.subservice: dicom-service
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ms.topic: overview
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ms.date: 10/13/2023
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ms.author: mmitrik
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ms.author: buchvarun
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---
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# What is the DICOM service?
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## Use imaging data to enable healthcare scenarios
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To effectively treat patients, research treatments, diagnose illnesses, or get an overview of a patient's health history, organizations need to integrate data across several sources. The DICOM service enables imaging data to persist in the Microsoft cloud and allows it to reside with electronic health records (EHR) and healthcare device (IoT) data in the same Azure subscription.
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To effectively treat patients, research treatments, diagnose illnesses, or get an overview of a patient's health history, organizations need to integrate data across several sources. The DICOM service enables imaging data to persist in the Microsoft cloud and allows it to reside with electronic health records (EHR) and healthcare device (IoT) data in the same Azure subscription.
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FHIR® supports integration of other types of data directly, or through references. With the DICOM service, organizations are able to store references to imaging data in FHIR and enable queries that cross clinical and imaging datasets. This capability enables organizations to deliver better healthcare. For example:
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-**Image back-up**. Research institutions, clinics, imaging centers, veterinary clinics, pathology institutions, retailers, or organizations can use the DICOM service to back up their images with unlimited storage and access. There's no need to deidentify PHI data because the service is validated for PHI compliance.
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-**Image back-up**. Research institutions, clinics, imaging centers, veterinary clinics, pathology institutions, retailers, or other organizations can use the DICOM service to back up their images with unlimited storage and access. There's no need to de-identify PHI data because the service is validated for PHI compliance.
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-**Image exchange and collaboration**. Share an image, a subset of images, or an entire image library instantly with or without related EHR data.
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-**Studies Service support**. The [Studies Service](https://dicom.nema.org/medical/dicom/current/output/html/part18.html#chapter_10) allows users to store, retrieve, and search for DICOM studies, series, and instances. Microsoft includes the nonstandard delete transaction to enable a full resource lifecycle.
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-**Worklist Service support**. The DICOM service supports the Push and Pull SOPs of the [Worklist Service (UPS-RS)](https://dicom.nema.org/medical/dicom/current/output/html/part18.html#chapter_11). This service provides access to one Worklist containing Workitems, each of which represents a Unified Procedure Step (UPS).Studies Service
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-**Worklist Service support**. The DICOM service supports the Push and Pull SOPs of the [Worklist Service (UPS-RS)](https://dicom.nema.org/medical/dicom/current/output/html/part18.html#chapter_11). This service provides access to one Worklist containing Workitems, each of which represents a Unified Procedure Step (UPS)Studies Service.
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-**Extended query tags**. The DICOM service allows you to expand the list of tags specified in the [DICOM Conformance Statement](dicom-services-conformance-statement-v2.md) so you can index DICOM studies, series, and instances on standard or private DICOM tags.
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-**Change feed**. The DICOM service enables you to access ordered, guaranteed, immutable, read-only logs of all changes that occur in the DICOM service. Client applications can read these logs at any time independently, in parallel and at their own pace.
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-**Change feed**. The DICOM service enables you to access ordered, guaranteed, immutable, read-only logs of all changes that occur in the DICOM service. Client applications can read these logs at any time independently, in parallel, and at their own pace.
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-**DICOMcast**. DICOMcast is an [open-source capability](https://github.com/microsoft/dicom-server/blob/main/docs/quickstarts/deploy-dicom-cast.md) that can be self-hosted in Azure. DICOMcast enables a single source of truth for clinical data and imaging metadata. With DICOMcast, the DICOM service can inject DICOM metadata into a FHIR service or FHIR server as an imaging study resource.
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-**Export files**. The DICOM service allows you to [export DICOM data](export-dicom-files.md) in a file format, simplifying the process of using medical imaging in external workflows such as AI and machine learning.
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-**Export files**. The DICOM service allows you to [export DICOM data](export-dicom-files.md) in a file format, simplifying the process of using medical imaging in external workflows, such as AI and machine learning.
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## Prerequisites to deploy the DICOM service
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Your organization needs an Azure subscription to configure and run the components required for the DICOM service. By default, the components are created inside of an Azure resource group to simplify management. Additionally, a Microsoft Entra account is required. For each instance of the DICOM service, Microsoft creates a combination of isolated and multitenant resources.
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Your organization needs an Azure subscription to configure and run the components required for the DICOM service. To simplify management, by default the components are created inside an Azure resource group. Additionally, a Microsoft Entra account is required. For each instance of the DICOM service, Microsoft creates a combination of isolated and multitenant resources.
Copy file name to clipboardExpand all lines: articles/healthcare-apis/dicom/pull-dicom-changes-from-change-feed.md
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title: Access DICOM Change Feed logs by using C# and the DICOM client package in Azure Health Data Services
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description: Learn how to use C# code to consume Change Feed, a feature of the DICOM service that provides logs of all the changes in your organization's medical imaging data. The code example uses the DICOM client package to access and process the Change Feed.
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author: mmitrik
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author: varunbms
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ms.service: azure-health-data-services
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ms.subservice: dicom-service
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ms.topic: how-to
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ms.date: 1/18/2024
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ms.author: mmitrik
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ms.author: buchvarun
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---
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# Access DICOM Change Feed logs by using C# and the DICOM client package
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The Change Feed capability enables you to go through the history of the DICOM® service and then act on the create and delete events.
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The Change Feed capability enables you to go through the history of a DICOM® service and act on the create and delete events.
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You access the Change Feed by using REST APIs. These APIs, along with sample usage of Change Feed, are documented in the [DICOM Change Feed overview](change-feed-overview.md). The version of the REST API should be explicitly specified in the request URL as described in the [API Versioning for DICOM service Documentation](api-versioning-dicom-service.md).
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## Consume Change Feed
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The C# code example shows how to consume Change Feed using the DICOM client package.
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The following C# code example shows how to consume Change Feed using the DICOM client package.
title: References for DICOM service - Azure Health Data Services
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description: This reference provides related resources for the DICOM service.
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author: mmitrik
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author: varunbms
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ms.service: azure-health-data-services
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ms.subservice: dicom-service
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ms.topic: reference
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ms.date: 06/03/2022
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ms.author: buchvarun
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---
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# DICOM service open-source projects
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### DICOM server
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*[Medical imaging server for DICOM](https://github.com/microsoft/dicom-server): Open-source version of the Azure Health Data Services DICOM service managed service.
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*[Medical imaging server for DICOM](https://github.com/microsoft/dicom-server): An open-source version of the Azure Health Data Services DICOM service managed service.
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### DICOM cast
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*[Integrate clinical and imaging data](https://github.com/microsoft/dicom-server/blob/main/docs/concepts/dicom-cast.md): DICOM cast allows synchronizing the data from the DICOM service to the FHIR service, which allows healthcare organization to integrate clinical and imaging data. DICOM cast expands the use cases for health data by supporting both a streamlined view of longitudinal patient data and the ability to effectively create cohorts for medical studies, analytics, and machine learning.
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*[Integrate clinical and imaging data](https://github.com/microsoft/dicom-server/blob/main/docs/concepts/dicom-cast.md): DICOM cast allows synchronizing the data from the DICOM service to the FHIR® service, which allows healthcare organization to integrate clinical and imaging data. DICOM cast expands the use cases for health data by supporting both a streamlined view of longitudinal patient data, and the ability to effectively create cohorts for medical studies, analytics, and machine learning.
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### DICOM data anonymization
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*[Anonymize DICOM metadata](https://github.com/microsoft/Tools-for-Health-Data-Anonymization/blob/master/docs/DICOM-anonymization.md): A DICOM file not only contains a viewable image but also a header with a large variety of data elements. These meta-data elements include identifiable information about the patient, the study, and the institution. Sharing such sensitive data demands proper protection to ensure data safety and maintain patient privacy. DICOM Anonymization Tool helps anonymize metadata in DICOM files for this purpose.
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*[Anonymize DICOM metadata](https://github.com/microsoft/Tools-for-Health-Data-Anonymization/blob/master/docs/DICOM-anonymization.md): A DICOM file not only contains a viewable image but also a header with a large variety of data elements. These meta-data elements include identifiable information about the patient, the study, and the institution. Sharing sensitive data demands proper protection to ensure data safety and maintain patient privacy. The DICOM Anonymization Tool helps anonymize metadata in DICOM files for this purpose.
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### Access imaging study resources on Power BI, Power Apps, and Dynamics 365 Customer Insights
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*[Connect to a FHIR service from Power Query Desktop](/power-query/connectors/fhir/fhir): After provisioning DICOM service, FHIR service and synchronizing imaging study for a given patient via DICOM cast, you can use the POWER Query connector for FHIR to import and shape data from the FHIR server including imaging study resource.
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*[Connect to a FHIR service from Power Query Desktop](/power-query/connectors/fhir/fhir): After provisioning DICOM service, FHIR service, and synchronizing an imaging study for a given patient via DICOM cast, you can use the POWER Query connector for FHIR to import and shape data from the FHIR server including imaging study resources.
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### Convert imaging study data to hierarchical parquet files
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*[FHIR to Synapse Sync Agent](https://github.com/microsoft/FHIR-Analytics-Pipelines/blob/main/FhirToDataLake/docs/Deploy-FhirToDatalake.md): After you provision a DICOM service, FHIR service and synchronizing imaging study for a given patient via DICOM cast, you can use FHIR to Synapse Sync Agent to perform Analytics and Machine Learning on imaging study data by moving FHIR data to Azure Data Lake in near real time and making it available to a Synapse workspace.
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*[FHIR to Synapse Sync Agent](https://github.com/microsoft/FHIR-Analytics-Pipelines/blob/main/FhirToDataLake/docs/Deploy-FhirToDatalake.md): After you provision a DICOM service, FHIR service and synchronizing imaging study for a given patient via DICOM cast, you can use FHIR to Synapse Sync Agent to perform Analytics and Machine Learning on imaging study data by moving FHIR data to Azure Data Lake in near real time, and making it available to a Synapse workspace.
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### Health Data Services workshop
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*[Azure Health Data Services Workshop](https://github.com/microsoft/azure-health-data-services-workshop): This workshop presents a series of hands-on activities to help users gain new skills working with Azure Health Data Services capabilities. The DICOM service challenge includes deployment of the service, exploration of the core API capabilities, a Postman collection to simplify exploration, and instructions for configuring a ZFP DICOM viewer.
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*[Azure Health Data Services Workshop](https://github.com/microsoft/azure-health-data-services-workshop): This workshop presents a series of hands-on activities to help users gain new skills working with Azure Health Data Services capabilities. The DICOM service challenge includes deployment of the service, exploration of the core API capabilities, a Postman collection to simplify exploration, and instructions for configuring a ZFP DICOM viewer.
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### Using the DICOM service with the OHIF viewer
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*[Azure DICOM service with OHIF viewer](https://github.com/microsoft/dicom-ohif): The [OHIF viewer](https://ohif.org/) is an open-source, nondiagnostic DICOM viewer that uses DICOMweb APIs to find and render DICOM images. This project provides the guidance and sample templates for deploying the OHIF viewer and configuring it to integrate with the DICOM service.
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*[Azure DICOM service with OHIF viewer](https://github.com/microsoft/dicom-ohif): The [OHIF viewer](https://ohif.org/) is an open-source, nondiagnostic DICOM viewer that uses DICOMweb APIs to find and render DICOM images. This project provides the guidance and sample templates for deploying the OHIF viewer and configuring it to integrate with the DICOM service.
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### Medical imaging network demo environment
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*[Medical Imaging Network Demo Environment](https://github.com/Azure-Samples/azure-health-data-services-samples/tree/main/samples/dicom-demo-env#readme): This hands-on lab / demo highlights how an organization with existing on-premises radiology infrastructure can take the first steps to intelligently moving their data to the cloud, without disruptions to the current workflow.
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*[Medical Imaging Network Demo Environment](https://github.com/Azure-Samples/azure-health-data-services-samples/tree/main/samples/dicom-demo-env#readme): This hands-on lab/demo highlights how an organization with existing on-premises radiology infrastructure can take the first steps to intelligently moving their data to the cloud, without disruptions to the current workflow.
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## Next steps
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[Deploy DICOM service to Azure](deploy-dicom-services-in-azure.md)
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