ABSTRACT
Are the following statements regarding mammography true or false? (a) The mean glandular dose (MGD) is approximately
0.8 mGy. (b) Use of a grid increases the MGD. (c) A typical radiation-induced breast cancer fatality rate
is five per million women examined. (d) Grids typically improve contrast by a factor of 2. ( e ) Grids typically increase radiation dose by a factor of 2-3.
