entrance skin exposure


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entrance skin exposure

Abbreviation: ESE
The dose of radiation to which the surface of the body is exposed during a radiographic procedure.
See also: exposure
References in periodicals archive ?
For example, if each of the 5 standard lumbar spine projections/positions resulted in 525 mR reduction in entrance skin exposure, the total mR dose reduction would equal 5 x 525 or 2625 mR (2.625 R).
Establishing a target 300 S value could be expected to reduce current patient entrance skin exposure by approximately 50% for most non-extremity examinations.
With an appropriate calibration factor (K) and a known x-ray field size at the skin surface ([A.sub.S]), the entrance skin exposure (free in air) could be computed as follows: