DICOM PS3.2 2020a - Conformance

F.8 Annexes (Current)
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## F.8 Annexes

### F.8.1 IOD Contents

#### F.8.1.1 STORAGE-SCP AE Element Use

The following Elements of Composite SOP Instances received by the STORAGE-SCP AE are either stored to the permanent EXAMPLE-QUERY-RETRIEVE-SERVER database or of particular importance in the received images.

SOP Instances conforming to the following Composite Image SOP Classes are fully supported for display on the system workstations.

Table F.8.1-1. Supported Composite Image SOP Classes for Display

US Image Storage (Retired)
US Image Storage
US Multi-frame Storage (Retired)
US Multi-frame Storage
Computed Radiography Image Storage
CT Image Storage
MR Image Storage
Secondary Capture Image Storage

Table F.8.1-2. Significant Elements in Received Composite SOP Instances

Module | Attribute Name | Tag ID | Type | Significance
--- | --- | --- | --- | ---
Patient | Patient Name | (0010,0010) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Value is saved to database as separate first and last names. Only first and last names are entered in the EXAMPLE-QUERY-RETRIEVE-SERVER database. Both first and last names can be a maximum of 64 characters each. Names will be parsed correctly if they are in the format of 'lname^fname' or 'lname, fname'. If space separation is used (i.e., 'lname fname') then the entire name will be treated as the last name.
Patient ID | (0010,0020) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Verification on incoming Patient IDs is performed. If an ID already exists but the existing name does not match, then the ID is coerced because different Patient records in the EXAMPLE-QUERY-RETRIEVE-SERVER database cannot have identical Patient IDs. Value is saved to database.
Patient's Birth Date | (0010,0030) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Value is saved to database.
Patient's Sex | (0010,0040) | Opt | First character must be 'M', 'm', 'F', 'f', 'O', or 'o'. If a different value, or not specified, then will be entered in the database as 'U', unknown. Value is saved to database. 'U' is never exported in DICOM images; instead, the Element value will be left empty for export.
General Study | Study Instance UID | (0020,000D) | Mand | Must be provided. Value is saved to database.
Study Date | (0008,0020) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Value is saved to database.
Referring Physician's Name | (0008,0090) | Opt | Value is saved to database.
Accession Number | (0008,0050) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Matching used to determine which Accession number to apply is configurable (i.e., HIS/RIS provided Accession Number may be used if the Patient ID, Patient Name, Study Date, and Modality provided in the HIS/RIS and SOP Instance match). Value is saved to database.
Study Description | (0008,1030) | Opt | If matched value(s) in the EXAMPLE-QUERY-RETRIEVE-SERVER exam type database, then it will be saved to the database as an exam type.
General Series | Modality | (0008,0060) | Opt | STORAGE-SCP AE can be configured to apply a default value if there is no value specified. Value is saved to database but must be two characters in length.
Series Description | (0008,103E) | Opt | If matched value(s) in the EXAMPLE-QUERY-RETRIEVE-SERVER exam type database then it will be saved to the database as an exam type.
Operator's Name | (0008,1070) | Opt | Value is saved to database.
Body Part Examined | (0018,0015) | Opt | If matched value(s) in the EXAMPLE-QUERY-RETRIEVE-SERVER exam type database then it will be saved to the database as an exam type.
General Image | Image Type | (0008,0008) | Opt | If the third value, the modality specific value, matches value(s) in the EXAMPLE-QUERY-RETRIEVE-SERVER exam type database then it will be saved to the database as an exam type.
Image Plane | Pixel Spacing | (0028,0030) | Opt | Used for automatic scaling of measurement tool if specified in an image SOP Instance.
US Region Calibration | Sequence of Ultrasound Regions | (0018,6011) | Opt | Used for automatic scaling of measurement tool if specified in an Ultrasound or Ultrasound Multi-frame Image SOP Instance.
Image Pixel | Photometric Interpretation | (0028,0004) | Cond | The following photometric interpretations are supported for image display purposes: MONOCHROME1, MONOCHROME2, RGB, PALETTE COLOR, YBR FULL 422, and YBR FULL. Required if SOP Instance is an Image.
Bits Allocated | (0028,0100) | Cond | Must be 8 or 16 bits for image display purposes. Required if SOP Instance is an Image.
Bits Stored | (0028,0101) | Cond | All values of 16 or fewer are supported for image display purposes. Required if SOP Instance is an Image.
Overlay Plane Module (See Note) | Overlay Rows | (6000,0010) | Cond | Number of Rows in Overlay. Required in order to display an Overlay.
Overlay Columns | (6000,0011) | Cond | Number of Columns in Overlay. Required in order to display an Overlay.
Overlay Type | (6000,0040) | Cond | Overlay data is used only if the value is "G", Graphics. Graphic overlay data can be automatically displayed if the system is configured to do so. "ROI", Region Of Interest, overlay data is not displayed to the user of the system. Required in order to display an Overlay.
Overlay Origin | (6000,0050) | Cond | Value must be 1\1 or greater. If either Overlay Origin coordinate is less than 1 then the overlay is not displayed. Required in order to display an Overlay.
Overlay Bits Allocated | (6000,0100) | Cond | Must be 8 or 16 if the overlay data are embedded. Required in order to display an Overlay.
Overlay Bit Position | (6000,0102) | Cond | Used if the overlay data is embedded. If the data is embedded then this position must indicate a bit not used by each image pixel sample. Required in order to display an Overlay.
Overlay Data | (6000,3000) | Cond | Overlay data present in this Element or embedded in the pixel data is supported for display. Required in order to display a non-embedded Overlay.
VOI LUT | Window Center | (0028,1050) | Opt | It is recommended that this value be defined for images that have greater than 8 bits stored per pixel sample for image display
Window Width | (0028,1051) | Opt | It is recommended that this value be defined for images that have greater than 8 bits stored per pixel sample for image display
SOP Common | SOP Instance UID | (0008,0018) | Mand | Must be provided. If a duplicate SOP Instance UID is received, the system can be configured to either coerce the duplicate value with a new UID or replace the original UID with the newly received one. The system can also be configured to either preserve the original UID or assign a new UID if the received image data is lossy compressed by the QUERY-RETRIEVE-SERVER prior to archival.

### Note

Note that only overlay information contained in the 6000 Group will be used for display. Overlay information contained in the other possible Groups (6002, 6004, etc.) will be ignored for display purposes. Such information will still be archived however.

#### F.8.1.2 STORAGE-SCU AE Element Modification

The following table contains a list of all Elements that can have a value modified by the STORAGE-SCU at the time of export using the Storage Service depending on the capabilities of the receiver:

Table F.8.1-3. Significant Elements in Exported Composite SOP Instances

Module | Attribute Name | Tag ID | Value
--- | --- | --- | ---
Image Pixel | Photometric Interpretation | (0028,0004) | STORAGE-SCU AE can convert all images to MONOCHROME2 or RGB based on the configuration for the destination AE. If the photometric interpretation of the image data is altered in a lossy manner, which could occur when converting from color to grayscale, then the SOP Instance UID is altered.
VOI LUT | Window Center | (0028,1050) | Default Window Center value can be configured for a specific destination AE.
Window Width | (0028,1051) | Default Window Width value can be configured for a specific external destination AE.
SOP Common | SOP Instance UID | (0008,0018) | System assigns a new UID if the image data is lossy compressed by the STORAGE-SCU AE at the time of export. Unless the pixel data is lossy compressed or there is a conflict between duplicate SOP Instance UIDs the original value received is not altered.

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DICOM PS3.2 2020a - Conformance