exit dose


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ex·it dose

the exposure dose of radiation leaving a body opposite the portal of entry.

ex·it dose

(egzit dōs)
Exposure dose of radiation leaving a body opposite the portal of entry.
References in periodicals archive ?
The physics of charged particles is such that there is always a lower entrance dose and, after a bragg peak at a depth specific to the particle, there is no exit dose. Thus the dose distribution with these modalities will always be better than photons.
When the examination is performed using a PA projection, the breast tissue receives the exit dose of radiation as opposed to the entrance dose.
Another disadvantage of x rays relates to something physicians call the "exit dose." An x-ray beam doesn't stop abruptly inside a tumor the way a proton beam does; some x rays continue on, delivering radiation to regions behind the tumor.