Mammographic Doses Measurement for A Thick Compressed Breast and the Relationship Between Them

This study was done in Baghdad Teaching Hospital by using developed instrument GIOHO and included a number of patients with compressed breast thickness ( 7,8,9,10) cm . The relationship between radiation dose and breast thickness was linear .All related were compared with the international standered values that measured by the Intermated Nuclear Agency and Europeon sources , it wasfound that it is in consistance or has a difference. The study showed that the mean absorbed dose may be determined by using for measurement below 10 mGy and the glandular dose was ( 1.45 mGy ) and this can measured directly but it is calculated under certain assumption from the experimental determined entrance surface dose ( ESDpa) by the useof the so-called conversion factores compare the exposure conditions to those given in the European guality criteria document.