쿼리 매개변수/DICOM 태그를 사용한 연구용 DICOM 검색

쿼리 매개변수를 사용하여 PatientName과 같은 DICOM 태그로 검색합니다.

더 살펴보기

이 코드 샘플이 포함된 자세한 문서는 다음을 참조하세요.

코드 샘플

Go

이 샘플을 사용해 보기 전에 Cloud Healthcare API 빠른 시작: 클라이언트 라이브러리 사용Go 설정 안내를 따르세요. 자세한 내용은 Cloud Healthcare API Go API 참조 문서를 확인하세요.

Cloud Healthcare API에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

import (
	"context"
	"fmt"
	"io"
	"io/ioutil"

	healthcare "google.golang.org/api/healthcare/v1"
)

// queryParamOpt is a googleapi.Option (https://godoc.org/google.golang.org/api/googleapi#CallOption)
// that adds query parameters to an API call.
type queryParamOpt struct {
	key, value string
}

func (qp queryParamOpt) Get() (string, string) { return qp.key, qp.value }

// dicomWebSearchStudies refines a DICOMweb studies search by appending DICOM tags to the request.
func dicomWebSearchStudies(w io.Writer, projectID, location, datasetID, dicomStoreID, dicomWebPath string) error {
	// projectID := "my-project"
	// location := "us-central1"
	// datasetID := "my-dataset"
	// dicomStoreID := "my-dicom-store"
	// dicomWebPath := "studies"
	ctx := context.Background()

	healthcareService, err := healthcare.NewService(ctx)
	if err != nil {
		return fmt.Errorf("healthcare.NewService: %w", err)
	}

	storesService := healthcareService.Projects.Locations.Datasets.DicomStores

	name := fmt.Sprintf("projects/%s/locations/%s/datasets/%s/dicomStores/%s", projectID, location, datasetID, dicomStoreID)

	call := storesService.SearchForStudies(name, dicomWebPath)
	// Refine your search by appending DICOM tags to the
	// request in the form of query parameters. This sample
	// searches for studies containing a patient's name.
	patientName := queryParamOpt{key: "PatientName", value: "Sally Zhang"}
	resp, err := call.Do(patientName)
	if err != nil {
		return fmt.Errorf("Get: %w", err)
	}

	defer resp.Body.Close()

	respBytes, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return fmt.Errorf("ioutil.ReadAll: %w", err)
	}

	if resp.StatusCode > 299 {
		return fmt.Errorf("SearchForStudies: status %d %s: %s", resp.StatusCode, resp.Status, respBytes)
	}
	respString := string(respBytes)
	if len(respString) > 0 {
		fmt.Fprintf(w, "Found studies: %s\n", respString)
	} else {
		fmt.Println("No studies found.")
	}

	return nil
}

Java

이 샘플을 사용해 보기 전에 Cloud Healthcare API 빠른 시작: 클라이언트 라이브러리 사용Java 설정 안내를 따르세요. 자세한 내용은 Cloud Healthcare API Java API 참조 문서를 확인하세요.

Cloud Healthcare API에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpResponse;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.gson.GsonFactory;
import com.google.api.services.healthcare.v1.CloudHealthcare;
import com.google.api.services.healthcare.v1.CloudHealthcare.Projects.Locations.Datasets.DicomStores;
import com.google.api.services.healthcare.v1.CloudHealthcareScopes;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import java.io.IOException;
import java.util.Collections;

public class DicomWebSearchStudies {
  private static final String DICOM_NAME = "projects/%s/locations/%s/datasets/%s/dicomStores/%s";
  private static final JsonFactory JSON_FACTORY = new GsonFactory();
  private static final NetHttpTransport HTTP_TRANSPORT = new NetHttpTransport();

  public static void dicomWebSearchStudies(String dicomStoreName) throws IOException {
    // String dicomStoreName =
    //    String.format(
    //        DICOM_NAME, "your-project-id", "your-region-id", "your-dataset-id", "your-dicom-id");

    // Initialize the client, which will be used to interact with the service.
    CloudHealthcare client = createClient();

    DicomStores.SearchForStudies request =
        client
            .projects()
            .locations()
            .datasets()
            .dicomStores()
            .searchForStudies(dicomStoreName, "studies")
            // Refine your search by appending DICOM tags to the
            // request in the form of query parameters. This sample
            // searches for studies containing a patient's name.
            .set("PatientName", "Sally Zhang");

    // Execute the request and process the results.
    HttpResponse response = request.executeUnparsed();
    System.out.println("Studies found: \n" + response.toString());
  }

  private static CloudHealthcare createClient() throws IOException {
    // Use Application Default Credentials (ADC) to authenticate the requests
    // For more information see https://cloud.google.com/docs/authentication/production
    GoogleCredentials credential =
        GoogleCredentials.getApplicationDefault()
            .createScoped(Collections.singleton(CloudHealthcareScopes.CLOUD_PLATFORM));

    // Create a HttpRequestInitializer, which will provide a baseline configuration to all requests.
    HttpRequestInitializer requestInitializer =
        request -> {
          new HttpCredentialsAdapter(credential).initialize(request);
          request.setConnectTimeout(60000); // 1 minute connect timeout
          request.setReadTimeout(60000); // 1 minute read timeout
        };

    // Build the client for interacting with the service.
    return new CloudHealthcare.Builder(HTTP_TRANSPORT, JSON_FACTORY, requestInitializer)
        .setApplicationName("your-application-name")
        .build();
  }
}

Node.js

이 샘플을 사용해 보기 전에 Cloud Healthcare API 빠른 시작: 클라이언트 라이브러리 사용Node.js 설정 안내를 따르세요. 자세한 내용은 Cloud Healthcare API Node.js API 참조 문서를 확인하세요.

Cloud Healthcare API에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

const google = require('@googleapis/healthcare');
const healthcare = google.healthcare({
  version: 'v1',
  auth: new google.auth.GoogleAuth({
    scopes: ['https://www.googleapis.com/auth/cloud-platform'],
  }),
});

const dicomWebSearchStudies = async () => {
  // TODO(developer): uncomment these lines before running the sample
  // const cloudRegion = 'us-central1';
  // const projectId = 'adjective-noun-123';
  // const datasetId = 'my-dataset';
  // const dicomStoreId = 'my-dicom-store';
  const parent = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/dicomStores/${dicomStoreId}`;
  const dicomWebPath = 'studies';
  const request = {parent, dicomWebPath};

  const studies =
    await healthcare.projects.locations.datasets.dicomStores.searchForStudies(
      request,
      {
        // Refine your search by appending DICOM tags to the
        // request in the form of query parameters. This sample
        // searches for studies containing a patient's name.
        params: {PatientName: 'Sally Zhang'},
        headers: {Accept: 'application/dicom+json'},
      }
    );
  console.log(studies);

  console.log(`Found ${studies.data.length} studies:`);
  console.log(JSON.stringify(studies.data));
};

dicomWebSearchStudies();

Python

이 샘플을 사용해 보기 전에 Cloud Healthcare API 빠른 시작: 클라이언트 라이브러리 사용Python 설정 안내를 따르세요. 자세한 내용은 Cloud Healthcare API Python API 참조 문서를 확인하세요.

Cloud Healthcare API에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다. 자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.

def dicomweb_search_studies(project_id, location, dataset_id, dicom_store_id):
    """Handles the GET requests specified in the DICOMweb standard.

    See https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/healthcare/api-client/v1/dicom
    before running the sample."""
    # Imports Python's built-in "os" module
    import os

    # Imports the google.auth.transport.requests transport
    from google.auth.transport import requests

    # Imports a module to allow authentication using a service account
    from google.oauth2 import service_account

    # Gets credentials from the environment.
    credentials = service_account.Credentials.from_service_account_file(
        os.environ["GOOGLE_APPLICATION_CREDENTIALS"]
    )
    scoped_credentials = credentials.with_scopes(
        ["https://www.googleapis.com/auth/cloud-platform"]
    )
    # Creates a requests Session object with the credentials.
    session = requests.AuthorizedSession(scoped_credentials)

    # URL to the Cloud Healthcare API endpoint and version
    base_url = "https://healthcare.googleapis.com/v1"

    # TODO(developer): Uncomment these lines and replace with your values.
    # project_id = 'my-project'  # replace with your GCP project ID
    # location = 'us-central1'  # replace with the parent dataset's location
    # dataset_id = 'my-dataset'  # replace with the parent dataset's ID
    # dicom_store_id = 'my-dicom-store' # replace with the DICOM store ID
    url = f"{base_url}/projects/{project_id}/locations/{location}"

    dicomweb_path = "{}/datasets/{}/dicomStores/{}/dicomWeb/studies".format(
        url, dataset_id, dicom_store_id
    )

    # Refine your search by appending DICOM tags to the
    # request in the form of query parameters. This sample
    # searches for studies containing a patient's name.
    params = {"PatientName": "Sally Zhang"}

    response = session.get(dicomweb_path, params=params)

    response.raise_for_status()

    print(f"Studies found: response is {response}")

    # Uncomment the following lines to process the response as JSON.
    # patients = response.json()
    # print('Patients found matching query:')
    # print(json.dumps(patients, indent=2))

    # return patients

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