Read DICOm metadata (ie.:nominal slice thickness)

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1

Using the CatPhan module, I get constantly errors at measuring slice thinckness.

Any ideas on how to acces Dicom metadata within pylinac to check nominal slice thickness? I guess pylinac does it in some way, since it compares “measured” againstthickness against “nominal” one…

Thanks!

2

You can look at the slice thickness attribute of the first image in the series likes this:

ct = pylinac.CatPhan604.from_demo_images()
thickness = ct.dicom_stack[0].metadata.SliceThickness
print(thickness)