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Radiology, Vol 133, 211-216, Copyright © 1979 by Radiological Society of North America

ARTICLES

Bone marrow dose in chest radiography: the posteroanterior vs. anteroposterior projection

BR Archer, RC Whitmore, LB North and SC Bushong

The dose to active bone marrow resulting from anteroposterior (AP) and posteroanterior (PA) chest examinations was estimated using an Alderson Rando phantom and extruded lithium fluoride dosimeters. The AP projections resulted in a mean marrow dose range of 1.9-2.6 mrad (0.019- 0.026 mGy) as compared to doses for PA projections of 3.4-3.8 mrad (0.034-0.038 mGy) for optimally diagnostic exposure taken at 70, 90, and 120 kVp.




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