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You read my mind on the meeting the threshold for publication. Unfortunately, however, once USA Today or similar catch a glimpse of the title of the paper, you’ll be reading how CT scans kill unborn babies. Robert J. Kobistek, MS, FACR,</div>
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<p class="MsoNormal"><span style="font-size:11.0pt">You read my mind on the meeting the threshold for publication. Unfortunately, however, once USA Today or similar catch a glimpse of the title of the paper, you’ll be reading how CT scans kill unborn babies.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#A50021;mso-ligatures:standardcontextual">Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#A50021;mso-ligatures:standardcontextual">Medical Physicist</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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</span><span style="font-size:14.0pt;color:#A50021;mso-ligatures:standardcontextual">Medical Physics, Inc.</span><span style="font-size:12.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Matt Wait <Matt.Wait@kp.org>
<br>
<b>Sent:</b> Thursday, September 11, 2025 2:36 PM<br>
<b>To:</b> Bob Kobistek <bob@rjkmedphys.com>; International Diagnostic Medical Physics List <intl_dxmedphys_wd_osu_list@lists.osu.edu><br>
<b>Subject:</b> RE: Article in today's ACR Daily Email newsletter<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Well observed, Bob. This limitation is pretty glaring: “Incomplete ascertainment of CT exposure and underlying indication may have contributed to residual confounding.” To be entirely honest, I’m not sure
how this meets the threshold for publication. Annals of Internal Medicine has an impact factor of 15.3.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0078B3">Matt Wait, MS, DABR, DABSNM, MRSE</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><br>
Senior Diagnostic Physicist</span><span style="font-size:12.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Assistant Radiation Safety Officer</span><span style="font-size:12.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;background:white"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0084B9">Kaiser Permanente</span></b><span style="font-size:12.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt;background:white"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">x5347 (office)</span><span style="font-size:12.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Intl_dxmedphys_wd_osu_list <<a href="mailto:intl_dxmedphys_wd_osu_list-bounces+matt.wait=kp.org@lists.osu.edu">intl_dxmedphys_wd_osu_list-bounces+matt.wait=kp.org@lists.osu.edu</a>>
<b>On Behalf Of </b>Bob Kobistek via Intl_dxmedphys_wd_osu_list<br>
<b>Sent:</b> Thursday, September 11, 2025 8:58 AM<br>
<b>To:</b> International Diagnostic Medical Physics List <<a href="mailto:intl_dxmedphys_wd_osu_list@lists.osu.edu">intl_dxmedphys_wd_osu_list@lists.osu.edu</a>><br>
<b>Subject:</b> [Intl_DxMedPhys] Article in today's ACR Daily Email newsletter<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Check this out: Exposure to Computed Tomography Before Pregnancy and Risk for Pregnancy Loss and Congenital Anomalies: A Population-Based Cohort Study: Annals of
Internal Medicine: Vol 0, No 0 Be prepared for the mainstream press to get hold<o:p></o:p></span></p>
</div>
<p><strong><span style="font-size:13.5pt;font-family:"Aptos",sans-serif;color:red">Caution:
</span></strong><span style="font-size:13.5pt;color:red">This email came from outside Kaiser Permanente. Do not open attachments or click on links if you do not recognize the sender.</span><o:p></o:p></p>
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<hr size="2" width="100%" align="center">
</span></div>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">Check this out:
<a href="https://urldefense.com/v3/__https:/www.acpjournals.org/doi/10.7326/ANNALS-24-03479__;!!KGKeukY!2RFiwk-DhCEzP1hEYpNHsMYSNb-6qlx646jkJZ7UBqULioIM9Ol_odI2MlR7Mc0MTMfHfEHYejqKxkMqHbZzoLKNlDRBQo5Mj54Qeg$">
Exposure to Computed Tomography Before Pregnancy and Risk for Pregnancy Loss and Congenital Anomalies: A Population-Based Cohort Study: Annals of Internal Medicine: Vol 0, No 0</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">Be prepared for the mainstream press to get hold of this and sensationalize it.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">My observations:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">Is the increase in spontaneous abortion due to the CT scans or the reasons the patients got the CT scans to begin with? The authors acknowledge that the majority of the cohort
had diabetes, hypertension, obesity or were smokers. (Smokers and pregnant???)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual">The results also make the statement, “The risk observed with head CT was not consistently lower than with CT of the abdomen, pelvis, or lower spine.” How is that possible
unless the increased rate of spontaneous abortion was due to some factor other than X-ray exposure?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#A50021;mso-ligatures:standardcontextual">Robert J. Kobistek, MS, FACR, DABR, MRSE(MRSC™)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#A50021;mso-ligatures:standardcontextual">Medical Physicist</span><span style="font-size:11.0pt;mso-ligatures:standardcontextual"><o:p></o:p></span></p>
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