[ RadSafe ] Fwd: Can any one send me that US policy on using x-ray

[Neil, David M]

Correct in essence.  At various ages, the non-motile "joints" between certain bones fuse. Mostly this is in very young children. Later in development, the "growth plates" involved in elongation of the long bones fuse at full growth. They are near the joints but not an actual part of the articulation. Physiological stress can affect when they fuse; I have leg problems because an orthopedist guessed wrong when I broke my femur at 17 and a half. Long story; I won't burden you with details.

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Chris Alston
Sent: Wednesday, August 19, 2015 10:14 AM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: [ RadSafe ] Fwd: Can any one send me that US policy on using x-ray

Well, for instance, at the hospital at which I worked many years ago, which was effectively the clinical arm of the world's leading center of R&D for high-dose chemo tx (frequently just called "bone marrow transplants (BMT's) or stem cell transplants (SCT's)), because kids who get high-dose chemo usually are small for their ages, it's hard to tell how "old" they are, relative to their absolute chronological age.  So, we used to do "bone-aging" studies, of, at least, their hands and wrists.  My Total Recall is poor, but I *think* the joints become "knitted", or something, when a child reaches his or her final, adult, size.

Cheers
cja

---------- Forwarded message ----------
From: Egidi, Philip <Egidi.Philip at epa.gov>
Date: Wed, Aug 19, 2015 at 9:54 AM
Subject: Re: [ RadSafe ] Can any one send me that US policy on using x-ray
To: "The International Radiation Protection (Health Physics) Mailing List" < radsafe at health.phys.iit.edu>, "ksparth at yahoo.co.uk" <ksparth at yahoo.co.uk> Methinks they are talking about forensics on cadavers, not healing arts on living people.
Please clarify.
PVE
Philip Egidi
Environmental Scientist
U.S. Environmental Protection Agency-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:
radsafe-bounces at health.phys.iit.edu] On Behalf Of Bradt, Clayton (HEALTH)
Sent: Tuesday, August 18, 2015 1:41 PM
To: ksparth at yahoo.co.uk
Cc: RADSAFE
Subject: [ RadSafe ] Can any one send me that US policy on using x-ray The regulation of the use of X-ray equipment in the US is done by the individual states.  Every state has its own regulations although they are all  very similar to each other since they tend to follow the Suggested State Regulations of the Conference of Radiation Control Program Directors (CRCPD).  In New York no radiation can be applied to humans without a physician's (or dentist's) order and must be performed by a qualified technologist. (This is the gist of it, anyway.)  So absent a valid medical reason, no one is supposed to be x-rayed. Determining age does not necessarily sound like a valid medical reason, but I suppose a physician might consider it to be under certain circumstances.  I believe that this is essentially the same in every state in the US.
Clayton Bradt
Principal Radiophysicist
NYS Dept. of Health
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