For samples that show how to call instances.retrieveInstance, see Retrieve an instance.
HTTP request
GET https://healthcare.googleapis.com/v1/{parent=projects/*/locations/*/datasets/*/dicomStores/*}/dicomWeb/{dicomWebPath=studies/*/series/*/instances/*}
Required. The name of the DICOM store that is being accessed. For example, projects/{projectId}/locations/{locationId}/datasets/{datasetId}/dicomStores/{dicomStoreId}.
Authorization requires the following IAM permission on the specified resource parent:
healthcare.dicomStores.dicomWebRead
dicomWebPath
string
Required. The path of the instances.retrieveInstance DICOMweb request. For example, studies/{studyUid}/series/{seriesUid}/instances/{instanceUid}.
Request body
The request body must be empty.
Response body
If successful, the response is a generic HTTP response whose format is defined by the method.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-27 UTC."],[[["\u003cp\u003e\u003ccode\u003einstances.retrieveInstance\u003c/code\u003e allows the retrieval of a specific DICOM instance using its associated study, series, and SOP Instance UID.\u003c/p\u003e\n"],["\u003cp\u003eThe HTTP request uses \u003ccode\u003eGET\u003c/code\u003e to access the DICOM instance, structured through a URL that includes project, location, dataset, and DICOM store details.\u003c/p\u003e\n"],["\u003cp\u003eAccess to this method requires the \u003ccode\u003ehealthcare.dicomStores.dicomWebRead\u003c/code\u003e IAM permission on the specified DICOM store.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization requires either the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-healthcare\u003c/code\u003e or \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"],["\u003cp\u003eThe request body for \u003ccode\u003einstances.retrieveInstance\u003c/code\u003e must be empty, with the necessary information provided through the URL's path parameters.\u003c/p\u003e\n"]]],[],null,["# Method: instances.retrieveInstance\n\n**Full name**: projects.locations.datasets.dicomStores.studies.series.instances.retrieveInstance\n\ninstances.retrieveInstance returns instance associated with the given study, series, and SOP Instance UID. See [RetrieveTransaction](http://dicom.nema.org/medical/dicom/current/output/html/part18.html#sect_10.4).\n\nFor details on the implementation of instances.retrieveInstance, see [DICOM study/series/instances](https://cloud.google.com/healthcare/docs/dicom#dicom_studyseriesinstances) and [DICOM instances](https://cloud.google.com/healthcare/docs/dicom#dicom_instances) in the Cloud Healthcare API conformance statement.\n\nFor samples that show how to call instances.retrieveInstance, see [Retrieve an instance](https://cloud.google.com/healthcare/docs/how-tos/dicomweb#retrieve-instance).\n\n### HTTP request\n\n`GET https://healthcare.googleapis.com/v1/{parent=projects/*/locations/*/datasets/*/dicomStores/*}/dicomWeb/{dicomWebPath=studies/*/series/*/instances/*}`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n### Request body\n\nThe request body must be empty.\n\n### Response body\n\nIf successful, the response is a generic HTTP response whose format is defined by the method.\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/cloud-healthcare`\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
