[Intl_DxMedPhys] Question for DXA experts

[Philip Doyle]

As the room temperature changes over the year the table, gantry, detector housing, collimator etc.expand and contract by tiny amounts.The area for qc is dependent on edge detection, pixel scalingand detector gain and geometric calibration, all three are temperature sensitive....I'm guessing this is a Hologic.Phil.

Check out these daily QC charts. Interesting? Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™) Medical Physicist RJK Medical Physics, Inc. 440-463-7879  ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍










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-------- Original message --------From: Bob Kobistek via Intl_dxmedphys_wd_osu_list <intl_dxmedphys_wd_osu_list at lists.osu.edu> Date: 04/02/2026  20:09  (GMT+00:00) To: DxMedPhys List <intl_dxmedphys_wd_osu_list at lists.osu.edu> Subject: [Intl_DxMedPhys] Question for DXA experts 

Check out these daily QC charts. Interesting?

 

 
 

 
 
 

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



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