DICOM PS3.18 2021c - Web Services

10.3 Transactions Overview (Current)
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## 10.3 Transactions Overview

The Studies Service consists of the following transactions:

Table 10.3-1. Studies Service Transactions

Transaction Name | Method | Payload | Description
--- | --- | --- | ---
Request | Success Response
Retrieve | GET | N/A | Instance(s), Metadata, Renderings, Pixel Data, or Bulkdata | Retrieve one or more representations of DICOM Resources.
Store | POST | Instance(s) | Store Instances Response Module | Stores one or more representations of DICOM Resources, contained in the request payload, in the location referenced by the Target Resource.
Search | GET | N/A | Result(s) | Searches the Target Resource for DICOM objects that match the search parameters and returns a list of matches in an Acceptable Media Type.

In Table 10.3-2, the Target Resources permitted for each transaction are marked with M if support is mandatory for the origin server and O if it is optional. A blank cell indicates that the resource is not allowed in the transaction.

Table 10.3-2. Resources by Transaction

Resource | Retrieve | Store | Search
--- | --- | --- | ---
Studies Service |  |  |
All Studies |  | M | M
Study | M | M |
Study Metadata | M |  |
Study Bulkdata | O |  |
Study Pixel Data | O |  |
Rendered Study | M |  |
Study Thumbnail | O |  |
Study's Series |  |  | M
Study's Instances |  |  | M
All Series |  |  | M
Series | M |  |
Series Metadata | M |  |
Series Bulkdata | O |  |
Instance Pixel Data | O |  |
Series' Instances |  |  | M
Rendered Series | M |  |
Series Thumbnail | O |  |
All Instances |  |  | M
Instance | M |  |
Instance Metadata | M |  |
Instance Bulkdata | O |  |
Instance Pixel Data | O |  |
Rendered Instance | M |  |
Instance Thumbnail | O |  |
Frames | M |  |
Rendered Frames | M |  |
Frame Thumbnail | O |  |
Bulkdata | M | M |

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DICOM PS3.18 2021c - Web Services