Abstract:
Objective: This study aims to identify an effective way to reduce radiation damage in Calcified lesions of the breast by retaking digital X-rays and 3-dimensional positioning hook wire.
Methods: The imaging data were collected from 24 females with breast calcified lesions admitted in our hospital between April 2015 and April 2016. All patients first breast X-rays were taken under the automatic exposure mode (AEC). Three weeks later, they received the three-dimensional positioning snagging puncture. During the procedure, the X-ray calcification Photography geopositioning sheet was set in manual exposure mode (MEC). Under a fixed tube voltage or tube current the operator manually lower the tube current or tube voltage at a certain ratio for exposure . Relative data were recorded in both the average glandular dose exposure condition (AGD) and the entrance dose (ESD) to compare the calcification. The following three-dimensional positioning snagging was operated withthe tube current lowered 30%.
Results: In the case of that the tube current and tube voltage were lowered at different ratios, AGD and ESD values decreased in varying degrees; when the tube current drops 30% or less while the tube voltage drops less than 15%, the calcification lesions on the images showed no significant difference. The three-dimensional photographic snagging puncture at a low dose condition, with the needle pointing to and from the target calcification <2 cm, brings out satisfied surgical results.
Conclusions: To reduce the tube current or tube voltage to a certain degree while taking breast X-rays, it can effectively reduce the radiation damage yet show no significant effect on the lesions, or any difference on BI-RADS classification. Thus, low-dose X-ray radiography can fully meet the needs of snagging three-dimensional positioning.
Key words:
Breast calcified lesions,
Low-dose X-ray photography,
Three-dimensional positioning hook wire,
Radiation damage
Junwei Song, Peiyuan Wang, Xiaojing Li, Shanshan Ji. Reducing radiation damage methods in snagging positioning and Breast X-ray photography calcified lesions[J]. Chinese Journal of Interventional Radiology(Electronic Edition), 2016, 04(02): 95-99.