Film processing for mammography.
The effect of processing time and temperature on image quality in mammograms was investigated over the ranges 2.5-4 min and 30-36 degrees C. Image quality results from seven processors of different manufacture and different processing methods, operated at a range of times and temperatures, showed the same image quality except for one which received little use. Effects of these parameters on the patient dose required were also considered, longer times up to 4 min and higher temperatures up to 36 degrees C being advantageous. No variation was found with processor design or mechanism of action. Implications for screening programmes are briefly discussed and an optimum regime of 3.5 min and 36 degrees C is suggested.
Law
J
J
Department of Medical Physics, Western General Hospital, Edinburgh.
Kirkpatrick
A E
AE
D008327:Mammography; D008722:Methods; D013696:Temperature; D013997:Time Factors; D014962:X-Ray Film