Breast tomosynthesis: Accuracy of tumor measurement compared with digital mammography and ultrasonography

被引:106
作者
Fornvik, Daniel [1 ]
Zackrisson, Sophia [2 ]
Ljungberg, Otto [3 ]
Svahn, Tony [1 ]
Timberg, Pontus [1 ]
Tingberg, Anders [1 ]
Andersson, Ingvar [2 ]
机构
[1] Lund Univ, Malmo Univ Hosp, Dept Med Radiat Phys, SE-20502 Malmo, Sweden
[2] Malmo Univ Hosp, Diagnost Ctr Imaging & Funct Med, Malmo, Sweden
[3] Malmo Univ Hosp, Dept Pathol, Malmo, Sweden
关键词
CANCER SIZE; CHEMOTHERAPY; SONOGRAPHY; MASTECTOMY; ULTRASOUND; PATHOLOGY; SURVIVAL; THERAPY;
D O I
10.3109/02841850903524447
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Purpose: To investigate whether breast cancer size can be more accurately assessed with breast tomosynthesis than with digital mammography and ultrasonography (US), by reducing the disturbance effect of the projected anatomy. Material and Methods: A prototype BT system was used. The main inclusion criterion for BT examination was subtle but suspicious findings of breast cancer on 2D mammography. Sixty-two women with 73 breast cancers were included. BT, DM, and US sizes were measured independently by experienced radiologists without knowledge of the pathology results, which were used as reference. Results: The tumor outline could be determined in significantly more cases with BT (63) and US (60) than DM (49). BT and US size correlated well with pathology (R=0.86 and R=0.85, respectively), and significantly better than DM size (R=0.71). Accordingly, staging was significantly more accurate with BT than with DM. Conclusion: The study indicates that BT is superior to DM in the assessment of breast tumor size and stage.
引用
收藏
页码:240 / 247
页数:8
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