Fwd: New posting on the CDRH internet site

[Chris Alston <alstonc@ODRGE.ODR.GEORGETOWN.EDU>]

>Date:         Wed, 20 Jun 2001 14:53:27 -0400

>Reply-To: "Gunzburg, Charles R." <CRG@CDRH.FDA.GOV>

>

>                Dr. Stanley Stern just informed me that information which

>may be of interest to many of you has just been posted on the Center for

>Devices and Radiological Health (CDRH) Internet site and asked that I pass

>this along to the digest subscribers.

>

>                 The information is described on the site as "CDRH organ dose

>handbooks contain reference values of radiation doses absorbed in tissues of

>patients undergoing representative diagnostic radiological examinations and

>interventional procedures. Tabulated dose values are normalized to the

>skin-entrance x-ray exposure (free-in-air), and they are generally derived

>from computer simulations of radiation transport in mathematical,

>anthropomorphic phantoms corresponding to average-size patients. Estimations

>of absorbed doses can be used to foster risk communication between medical

>physicists, radiologic technologists, radiologists, and patients. When

>tracked over time in a quality-assurance program, patient dose values are

>effective indicators of consistency, variability, or anomaly in the safety

>of radiation associated with clinical practice."

>

>                 The files were posted yesterday at:

>http://www.fda.gov/cdrh/ohip/organdose.html.

>

>                 If you have questions regarding the information presented at

>that site, please contact Stanley H. Stern, Ph.D., Health Physicist,

>Radiation Programs Branch, Division of Mammography Quality and Radiation

>Programs, Office of Health and Industry Programs, CDRH, via telephone, (301)

>827-0014, or e-mail, sas@cdrh.fda.gov <mailto:sas@cdrh.fda.gov>





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