What is the actual entrance skin exposure if the glandular dose is found to be 2.25 mGya?

To determine the actual entrance skin exposure based on the glandular dose, it is essential to understand the relationship between these two measurements. The glandular dose is a measure of the radiation dose that specifically affects the glandular tissues, such as breast tissue in mammography, and it is often lower than the entrance skin exposure due to the additional attenuation of radiation as it passes through the skin and the underlying tissues.

Typically, the entrance skin exposure is significantly higher than the glandular dose, and a common factor used in calculations to estimate the entrance skin exposure from the glandular dose is an approximate conversion that uses a multiplier. In many clinical settings, the glandular dose is roughly correlated with entrance skin exposure by a factor depending on factors like the imaging technique and the patient's body type.

In the case where the glandular dose is measured at 2.25 mGya, a multiplier (usually in the range of 5 to 10 based on the imaging context) would apply to reach the estimated entrance skin exposure. For this scenario, if the value of 15 mGya is derived from applying the appropriate multiplier to the 2.25 mGya glandular dose, it aligns correctly with many established protocols in radiation safety practices. Therefore,