FE0,0003 (Encapsulated Pixel Data Value Total Length) added on C-STORE between two Arc-Light instances - breaks RadiAnt

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Juan Pablo Bizantino

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Aug 11, 2026, 1:50:09 PM (2 days ago) Aug 11
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Hello,

When I transfer a study from DCM4CHEE Arc-Light 5.30.0 to another
Arc-Light instance running 5.34.3 (via C-STORE), the destination
archive adds the attribute Encapsulated Pixel Data Value Total Length
(7FE0,0003) to every image.

Most viewers handle this attribute without issue, but RadiAnt cannot
deal with it and fails to open the images.

I've tried removing the attribute using an Attribute Coercion (Legacy)
in two ways, without success:

1. On retrieve (WADO-RS / outgoing C-STORE):
- DIMSE: C_STORE_RQ
- DICOM Transfer Role: SCP
- Nullify Attribute Tag: 7FE00003

2. On receive (incoming C-STORE):
- DIMSE: C_STORE_RQ
- DICOM Transfer Role: SCU
- Nullify Attribute Tag: 7FE00003

In both cases the attribute still appears in the resulting objects, so
the coercion doesn't seem to have effect on this specific tag.

Is there a supported configuration to prevent (7FE0,0003) from being
added or to have it stripped before delivery to the client? Any
guidance would be appreciated.

Thank you,
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