[Intl_DxMedPhys] Grid retraction for 3D mammo scans

[Bob Kobistek]

One of my sites received comments from an ACR reviewer stating that the 3D best-slice image had grid artifacts. If the reviewer who made that statement is reading this, please be informed that the Hologic tomo units retract the grid for 3D scans. Hologic uses a cellular grid, which would result in grid cutoff at non-normal tube angles, so no grid is used for tomo.



Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC(tm))
Medical Physicist
RJK Medical Physics, Inc.
440-463-7879


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